Main.cc:3:1: error: stray ‘\350’ in program 语言 ^ Main.cc:3:2: error: stray ‘\257’ in program 语言 ^ Main.cc:3:3: error: stray ‘\255’ in program 语言 ^ Main.cc:3:4: error: stray ‘\350’ in program 语言 ^ Main.cc:3:5: error: stray ‘\250’ in program 语言 ^ Main.cc:3:6: error: stray ‘\200’ in program 语言 ^ Main.cc:4:1: error: stray ‘\344’ in program 代码 ^ Main.cc:4:2: error: stray ‘\273’ in program 代码 ^ Main.cc:4:3: error: stray ‘\243’ in program 代码 ^ Main.cc:4:4: error: stray ‘\347’ in program 代码 ^ Main.cc:4:5: error: stray ‘\240’ in program 代码 ^ Main.cc:4:6: error: stray ‘\201’ in program 代码 ^ Main.cc:7:1: error: stray ‘\342’ in program ^ Main.cc:7:2: error: stray ‘\200’ in program ^ Main.cc:7:3: error: stray ‘\213’ in program ^ Main.cc:9:1: error: stray ‘\346’ in program 时间限制 1 秒 ^ Main.cc:9:2: error: stray ‘\227’ in program 时间限制 1 秒 ^ Main.cc:9:3: error: stray ‘\266’ in program 时间限制 1 秒 ^ Main.cc:9:4: error: stray ‘\351’ in program 时间限制 1 秒 ^ Main.cc:9:5: error: stray ‘\227’ in program 时间限制 1 秒 ^ Main.cc:9:6: error: stray ‘\264’ in program 时间限制 1 秒 ^ Main.cc:9:7: error: stray ‘\351’ in program 时间限制 1 秒 ^ Main.cc:9:8: error: stray ‘\231’ in program 时间限制 1 秒 ^ Main.cc:9:9: error: stray ‘\220’ in program 时间限制 1 秒 ^ Main.cc:9:10: error: stray ‘\345’ in program 时间限制 1 秒 ^ Main.cc:9:11: error: stray ‘\210’ in program 时间限制 1 秒 ^ Main.cc:9:12: error: stray ‘\266’ in program 时间限制 1 秒 ^ Main.cc:9:17: error: stray ‘\347’ in program 时间限制 1 秒 ^ Main.cc:9:18: error: stray ‘\247’ in program 时间限制 1 秒 ^ Main.cc:9:19: error: stray ‘\222’ in program 时间限制 1 秒 ^ Main.cc:10:1: error: stray ‘\345’ in program 内存限制 128 MB ^ Main.cc:10:2: error: stray ‘\206’ in program 内存限制 128 MB ^ Main.cc:10:3: error: stray ‘\205’ in program 内存限制 128 MB ^ Main.cc:10:4: error: stray ‘\345’ in program 内存限制 128 MB ^ Main.cc:10:5: error: stray ‘\255’ in program 内存限制 128 MB ^ Main.cc:10:6: error: stray ‘\230’ in program 内存限制 128 MB ^ Main.cc:10:7: error: stray ‘\351’ in program 内存限制 128 MB ^ Main.cc:10:8: error: stray ‘\231’ in program 内存限制 128 MB ^ Main.cc:10:9: error: stray ‘\220’ in program 内存限制 128 MB ^ Main.cc:10:10: error: stray ‘\345’ in program 内存限制 128 MB ^ Main.cc:10:11: error: stray ‘\210’ in program 内存限制 128 MB ^ Main.cc:10:12: error: stray ‘\266’ in program 内存限制 128 MB ^ Main.cc:11:1: error: stray ‘\346’ in program 提交记录 ^ Main.cc:11:2: error: stray ‘\217’ in program 提交记录 ^ Main.cc:11:3: error: stray ‘\220’ in program 提交记录 ^ Main.cc:11:4: error: stray ‘\344’ in program 提交记录 ^ Main.cc:11:5: error: stray ‘\272’ in program 提交记录 ^ Main.cc:11:6: error: stray ‘\244’ in program 提交记录 ^ Main.cc:11:7: error: stray ‘\350’ in program 提交记录 ^ Main.cc:11:8: error: stray ‘\256’ in program 提交记录 ^ Main.cc:11:9: error: stray ‘\260’ in program 提交记录 ^ Main.cc:11:10: error: stray ‘\345’ in program 提交记录 ^ Main.cc:11:11: error: stray ‘\275’ in program 提交记录 ^ Main.cc:11:12: error: stray ‘\225’ in program 提交记录 ^ Main.cc:12:2: error: stray ‘\347’ in program 1秒前 编译错误 ^ Main.cc:12:3: error: stray ‘\247’ in program 1秒前 编译错误 ^ Main.cc:12:4: error: stray ‘\222’ in program 1秒前 编译错误 ^ Main.cc:12:5: error: stray ‘\345’ in program 1秒前 编译错误 ^ Main.cc:12:6: error: stray ‘\211’ in program 1秒前 编译错误 ^ Main.cc:12:7: error: stray ‘\215’ in program 1秒前 编译错误 ^ Main.cc:12:10: error: stray ‘\347’ in program 1秒前 编译错误 ^ Main.cc:12:11: error: stray ‘\274’ in program 1秒前 编译错误 ^ Main.cc:12:12: error: stray ‘\226’ in program 1秒前 编译错误 ^ Main.cc:12:13: error: stray ‘\350’ in program 1秒前 编译错误 ^ Main.cc:12:14: error: stray ‘\257’ in program 1秒前 编译错误 ^ Main.cc:12:15: error: stray ‘\221’ in program 1秒前 编译错误 ^ Main.cc:12:16: error: stray ‘\351’ in program 1秒前 编译错误 ^ Main.cc:12:17: error: stray ‘\224’ in program 1秒前 编译错误 ^ Main.cc:12:18: error: stray ‘\231’ in program 1秒前 编译错误 ^ Main.cc:12:19: error: stray ‘\350’ in program 1秒前 编译错误 ^ Main.cc:12:20: error: stray ‘\257’ in program 1秒前 编译错误 ^ Main.cc:12:21: error: stray ‘\257’ in program 1秒前 编译错误 ^ Main.cc:14:1: error: stray ‘\346’ in program 提交时间:2023-11-14 21:32:20 ^ Main.cc:14:2: error: stray ‘\217’ in program 提交时间:2023-11-14 21:32:20 ^ Main.cc:14:3: error: stray ‘\220’ in program 提交时间:2023-11-14 21:32:20 ^ Main.cc:14:4: error: stray ‘\344’ in program 提交时间:2023-11-14 21:32:20 ^ Main.cc:14:5: error: stray ‘\272’ in program 提交时间:2023-11-14 21:32:20 ^ Main.cc:14:6: error: stray ‘\244’ in program 提交时间:2023-11-14 21:32:20 ^ Main.cc:14:7: error: stray ‘\346’ in program 提交时间:2023-11-14 21:32:20 ^ Main.cc:14:8: error: stray ‘\227’ in program 提交时间:2023-11-14 21:32:20 ^ Main.cc:14:9: error: stray ‘\266’ in program 提交时间:2023-11-14 21:32:20 ^ Main.cc:14:10: error: stray ‘\351’ in program 提交时间:2023-11-14 21:32:20 ^ Main.cc:14:11: error: stray ‘\227’ in program 提交时间:2023-11-14 21:32:20 ^ Main.cc:14:12: error: stray ‘\264’ in program 提交时间:2023-11-14 21:32:20 ^ Main.cc:14:13: error: stray ‘\357’ in program 提交时间:2023-11-14 21:32:20 ^ Main.cc:14:14: error: stray ‘\274’ in program 提交时间:2023-11-14 21:32:20 ^ Main.cc:14:15: error: stray ‘\232’ in program 提交时间:2023-11-14 21:32:20 ^ Main.cc:16:1: error: stray ‘\350’ in program 运行 ID: 31089 ^ Main.cc:16:2: error: stray ‘\277’ in program 运行 ID: 31089 ^ Main.cc:16:3: error: stray ‘\220’ in program 运行 ID: 31089 ^ Main.cc:16:4: error: stray ‘\350’ in program 运行 ID: 31089 ^ Main.cc:16:5: error: stray ‘\241’ in program 运行 ID: 31089 ^ Main.cc:16:6: error: stray ‘\214’ in program 运行 ID: 31089 ^ Main.cc:2:1: error: ‘Submit’ does not name a type Submit ^~~~~~ In file included from /usr/include/c++/7/cmath:43:0, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:41, from Main.cc:18: /usr/include/c++/7/ext/type_traits.h:162:35: error: ‘bool __gnu_cxx::__is_null_pointer’ redeclared as different kind of symbol __is_null_pointer(std::nullptr_t) ^ /usr/include/c++/7/ext/type_traits.h:157:5: note: previous declaration ‘template bool __gnu_cxx::__is_null_pointer(_Type)’ __is_null_pointer(_Type) ^~~~~~~~~~~~~~~~~ /usr/include/c++/7/ext/type_traits.h:162:26: error: ‘nullptr_t’ is not a member of ‘std’ __is_null_pointer(std::nullptr_t) ^~~~~~~~~ In file included from /usr/include/c++/7/bits/exception_ptr.h:40:0, from /usr/include/c++/7/exception:142, from /usr/include/c++/7/ios:39, from /usr/include/c++/7/istream:38, from /usr/include/c++/7/sstream:38, from /usr/include/c++/7/complex:45, from /usr/include/c++/7/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52, from Main.cc:18: /usr/include/c++/7/new:120:31: error: declaration of ‘operator new’ as non-function void* operator new(std::size_t) _GLIBCXX_THROW (std::bad_alloc) ^ /usr/include/c++/7/new:120:25: error: ‘size_t’ is not a member of ‘std’ void* operator new(std::size_t) _GLIBCXX_THROW (std::bad_alloc) ^~~~~~ /usr/include/c++/7/new:120:25: note: suggested alternative: In file included from /usr/include/stdlib.h:31:0, from /usr/include/c++/7/bits/std_abs.h:38, from /usr/include/c++/7/cmath:47, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:41, from Main.cc:18: /usr/lib/gcc/x86_64-linux-gnu/7/include/stddef.h:216:23: note: ‘size_t’ typedef __SIZE_TYPE__ size_t; ^~~~~~ In file included from /usr/include/c++/7/bits/exception_ptr.h:40:0, from /usr/include/c++/7/exception:142, from /usr/include/c++/7/ios:39, from /usr/include/c++/7/istream:38, from /usr/include/c++/7/sstream:38, from /usr/include/c++/7/complex:45, from /usr/include/c++/7/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52, from Main.cc:18: /usr/include/c++/7/new:122:33: error: declaration of ‘operator new []’ as non-function void* operator new[](std::size_t) _GLIBCXX_THROW (std::bad_alloc) ^ /usr/include/c++/7/new:122:27: error: ‘size_t’ is not a member of ‘std’ void* operator new[](std::size_t) _GLIBCXX_THROW (std::bad_alloc) ^~~~~~ /usr/include/c++/7/new:122:27: note: suggested alternative: In file included from /usr/include/stdlib.h:31:0, from /usr/include/c++/7/bits/std_abs.h:38, from /usr/include/c++/7/cmath:47, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:41, from Main.cc:18: /usr/lib/gcc/x86_64-linux-gnu/7/include/stddef.h:216:23: note: ‘size_t’ typedef __SIZE_TYPE__ size_t; ^~~~~~ In file included from /usr/include/c++/7/bits/exception_ptr.h:40:0, from /usr/include/c++/7/exception:142, from /usr/include/c++/7/ios:39, from /usr/include/c++/7/istream:38, from /usr/include/c++/7/sstream:38, from /usr/include/c++/7/complex:45, from /usr/include/c++/7/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52, from Main.cc:18: /usr/include/c++/7/new:134:25: error: declaration of ‘operator new’ as non-function void* operator new(std::size_t, const std::nothrow_t&) _GLIBCXX_USE_NOEXCEPT ^~~~~~ /usr/include/c++/7/new:134:25: error: ‘size_t’ is not a member of ‘std’ /usr/include/c++/7/new:134:25: note: suggested alternative: In file included from /usr/include/stdlib.h:31:0, from /usr/include/c++/7/bits/std_abs.h:38, from /usr/include/c++/7/cmath:47, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:41, from Main.cc:18: /usr/lib/gcc/x86_64-linux-gnu/7/include/stddef.h:216:23: note: ‘size_t’ typedef __SIZE_TYPE__ size_t; ^~~~~~ In file included from /usr/include/c++/7/bits/exception_ptr.h:40:0, from /usr/include/c++/7/exception:142, from /usr/include/c++/7/ios:39, from /usr/include/c++/7/istream:38, from /usr/include/c++/7/sstream:38, from /usr/include/c++/7/complex:45, from /usr/include/c++/7/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52, from Main.cc:18: /usr/include/c++/7/new:134:33: error: expected primary-expression before ‘const’ void* operator new(std::size_t, const std::nothrow_t&) _GLIBCXX_USE_NOEXCEPT ^~~~~ /usr/include/c++/7/new:136:27: error: declaration of ‘operator new []’ as non-function void* operator new[](std::size_t, const std::nothrow_t&) _GLIBCXX_USE_NOEXCEPT ^~~~~~ /usr/include/c++/7/new:136:27: error: ‘size_t’ is not a member of ‘std’ /usr/include/c++/7/new:136:27: note: suggested alternative: In file included from /usr/include/stdlib.h:31:0, from /usr/include/c++/7/bits/std_abs.h:38, from /usr/include/c++/7/cmath:47, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:41, from Main.cc:18: /usr/lib/gcc/x86_64-linux-gnu/7/include/stddef.h:216:23: note: ‘size_t’ typedef __SIZE_TYPE__ size_t; ^~~~~~ In file included from /usr/include/c++/7/bits/exception_ptr.h:40:0, from /usr/include/c++/7/exception:142, from /usr/include/c++/7/ios:39, from /usr/include/c++/7/istream:38, from /usr/include/c++/7/sstream:38, from /usr/include/c++/7/complex:45, from /usr/include/c++/7/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52, from Main.cc:18: /usr/include/c++/7/new:136:35: error: expected primary-expression before ‘const’ void* operator new[](std::size_t, const std::nothrow_t&) _GLIBCXX_USE_NOEXCEPT ^~~~~ /usr/include/c++/7/new:168:32: error: declaration of ‘operator new’ as non-function inline void* operator new(std::size_t, void* __p) _GLIBCXX_USE_NOEXCEPT ^~~~~~ /usr/include/c++/7/new:168:32: error: ‘size_t’ is not a member of ‘std’ /usr/include/c++/7/new:168:32: note: suggested alternative: In file included from /usr/include/stdlib.h:31:0, from /usr/include/c++/7/bits/std_abs.h:38, from /usr/include/c++/7/cmath:47, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:41, from Main.cc:18: /usr/lib/gcc/x86_64-linux-gnu/7/include/stddef.h:216:23: note: ‘size_t’ typedef __SIZE_TYPE__ size_t; ^~~~~~ In file included from /usr/include/c++/7/bits/exception_ptr.h:40:0, from /usr/include/c++/7/exception:142, from /usr/include/c++/7/ios:39, from /usr/include/c++/7/istream:38, from /usr/include/c++/7/sstream:38, from /usr/include/c++/7/complex:45, from /usr/include/c++/7/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52, from Main.cc:18: /usr/include/c++/7/new:168:40: error: expected primary-expression before ‘void’ inline void* operator new(std::size_t, void* __p) _GLIBCXX_USE_NOEXCEPT ^~~~ /usr/include/c++/7/new:170:34: error: declaration of ‘operator new []’ as non-function inline void* operator new[](std::size_t, void* __p) _GLIBCXX_USE_NOEXCEPT ^~~~~~ /usr/include/c++/7/new:170:34: error: ‘size_t’ is not a member of ‘std’ /usr/include/c++/7/new:170:34: note: suggested alternative: In file included from /usr/include/stdlib.h:31:0, from /usr/include/c++/7/bits/std_abs.h:38, from /usr/include/c++/7/cmath:47, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:41, from Main.cc:18: /usr/lib/gcc/x86_64-linux-gnu/7/include/stddef.h:216:23: note: ‘size_t’ typedef __SIZE_TYPE__ size_t; ^~~~~~ In file included from /usr/include/c++/7/bits/exception_ptr.h:40:0, from /usr/include/c++/7/exception:142, from /usr/include/c++/7/ios:39, from /usr/include/c++/7/istream:38, from /usr/include/c++/7/sstream:38, from /usr/include/c++/7/complex:45, from /usr/include/c++/7/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52, from Main.cc:18: /usr/include/c++/7/new:170:42: error: expected primary-expression before ‘void’ inline void* operator new[](std::size_t, void* __p) _GLIBCXX_USE_NOEXCEPT ^~~~ In file included from /usr/include/c++/7/bits/move.h:54:0, from /usr/include/c++/7/bits/nested_exception.h:40, from /usr/include/c++/7/exception:143, from /usr/include/c++/7/ios:39, from /usr/include/c++/7/istream:38, from /usr/include/c++/7/sstream:38, from /usr/include/c++/7/complex:45, from /usr/include/c++/7/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52, from Main.cc:18: /usr/include/c++/7/type_traits:362:31: error: ‘std::size_t’ has not been declared template ^~~~~~ /usr/include/c++/7/type_traits:363:25: error: ‘_Size’ was not declared in this scope struct is_array<_Tp[_Size]> ^~~~~ /usr/include/c++/7/type_traits:363:31: error: template argument 1 is invalid struct is_array<_Tp[_Size]> ^ /usr/include/c++/7/type_traits:561:42: error: ‘nullptr_t’ is not a member of ‘std’ struct __is_null_pointer_helper ^~~~~~~~~ /usr/include/c++/7/type_traits:561:42: note: suggested alternative: In file included from /usr/include/c++/7/cstddef:50:0, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:45, from Main.cc:18: /usr/lib/gcc/x86_64-linux-gnu/7/include/stddef.h:444:29: note: ‘nullptr_t’ typedef decltype(nullptr) nullptr_t; ^~~~~~~~~ In file included from /usr/include/c++/7/bits/move.h:54:0, from /usr/include/c++/7/bits/nested_exception.h:40, from /usr/include/c++/7/exception:143, from /usr/include/c++/7/ios:39, from /usr/include/c++/7/istream:38, from /usr/include/c++/7/sstream:38, from /usr/include/c++/7/complex:45, from /usr/include/c++/7/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52, from Main.cc:18: /usr/include/c++/7/type_traits:561:42: error: ‘nullptr_t’ is not a member of ‘std’ struct __is_null_pointer_helper ^~~~~~~~~ /usr/include/c++/7/type_traits:561:42: note: suggested alternative: In file included from /usr/include/c++/7/cstddef:50:0, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:45, from Main.cc:18: /usr/lib/gcc/x86_64-linux-gnu/7/include/stddef.h:444:29: note: ‘nullptr_t’ typedef decltype(nullptr) nullptr_t; ^~~~~~~~~ In file included from /usr/include/c++/7/bits/move.h:54:0, from /usr/include/c++/7/bits/nested_exception.h:40, from /usr/include/c++/7/exception:143, from /usr/include/c++/7/ios:39, from /usr/include/c++/7/istream:38, from /usr/include/c++/7/sstream:38, from /usr/include/c++/7/complex:45, from /usr/include/c++/7/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52, from Main.cc:18: /usr/include/c++/7/type_traits:561:51: error: template argument 1 is invalid struct __is_null_pointer_helper ^ /usr/include/c++/7/type_traits:1464:37: error: ‘size_t’ is not a member of ‘std’ : public integral_constant { }; ^~~~~~ /usr/include/c++/7/type_traits:1464:37: note: suggested alternative: In file included from /usr/include/stdlib.h:31:0, from /usr/include/c++/7/bits/std_abs.h:38, from /usr/include/c++/7/cmath:47, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:41, from Main.cc:18: /usr/lib/gcc/x86_64-linux-gnu/7/include/stddef.h:216:23: note: ‘size_t’ typedef __SIZE_TYPE__ size_t; ^~~~~~ In file included from /usr/include/c++/7/bits/move.h:54:0, from /usr/include/c++/7/bits/nested_exception.h:40, from /usr/include/c++/7/exception:143, from /usr/include/c++/7/ios:39, from /usr/include/c++/7/istream:38, from /usr/include/c++/7/sstream:38, from /usr/include/c++/7/complex:45, from /usr/include/c++/7/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52, from Main.cc:18: /usr/include/c++/7/type_traits:1464:37: error: ‘size_t’ is not a member of ‘std’ : public integral_constant { }; ^~~~~~ /usr/include/c++/7/type_traits:1464:37: note: suggested alternative: In file included from /usr/include/stdlib.h:31:0, from /usr/include/c++/7/bits/std_abs.h:38, from /usr/include/c++/7/cmath:47, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:41, from Main.cc:18: /usr/lib/gcc/x86_64-linux-gnu/7/include/stddef.h:216:23: note: ‘size_t’ typedef __SIZE_TYPE__ size_t; ^~~~~~ In file included from /usr/include/c++/7/bits/move.h:54:0, from /usr/include/c++/7/bits/nested_exception.h:40, from /usr/include/c++/7/exception:143, from /usr/include/c++/7/ios:39, from /usr/include/c++/7/istream:38, from /usr/include/c++/7/sstream:38, from /usr/include/c++/7/complex:45, from /usr/include/c++/7/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52, from Main.cc:18: /usr/include/c++/7/type_traits:1464:61: error: template argument 1 is invalid : public integral_constant { }; ^ /usr/include/c++/7/type_traits:1464:61: note: invalid template non-type parameter /usr/include/c++/7/type_traits:1469:37: error: ‘size_t’ is not a member of ‘std’ : public integral_constant { }; ^~~~~~ /usr/include/c++/7/type_traits:1469:37: note: suggested alternative: In file included from /usr/include/stdlib.h:31:0, from /usr/include/c++/7/bits/std_abs.h:38, from /usr/include/c++/7/cmath:47, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:41, from Main.cc:18: /usr/lib/gcc/x86_64-linux-gnu/7/include/stddef.h:216:23: note: ‘size_t’ typedef __SIZE_TYPE__ size_t; ^~~~~~ In file included from /usr/include/c++/7/bits/move.h:54:0, from /usr/include/c++/7/bits/nested_exception.h:40, from /usr/include/c++/7/exception:143, from /usr/include/c++/7/ios:39, from /usr/include/c++/7/istream:38, from /usr/include/c++/7/sstream:38, from /usr/include/c++/7/complex:45, from /usr/include/c++/7/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52, from Main.cc:18: /usr/include/c++/7/type_traits:1469:37: error: ‘size_t’ is not a member of ‘std’ : public integral_constant { }; ^~~~~~ /usr/include/c++/7/type_traits:1469:37: note: suggested alternative: In file included from /usr/include/stdlib.h:31:0, from /usr/include/c++/7/bits/std_abs.h:38, from /usr/include/c++/7/cmath:47, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:41, from Main.cc:18: /usr/lib/gcc/x86_64-linux-gnu/7/include/stddef.h:216:23: note: ‘size_t’ typedef __SIZE_TYPE__ size_t; ^~~~~~ In file included from /usr/include/c++/7/bits/move.h:54:0, from /usr/include/c++/7/bits/nested_exception.h:40, from /usr/include/c++/7/exception:143, from /usr/include/c++/7/ios:39, from /usr/include/c++/7/istream:38, from /usr/include/c++/7/sstream:38, from /usr/include/c++/7/complex:45, from /usr/include/c++/7/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52, from Main.cc:18: /usr/include/c++/7/type_traits:1469:46: error: template argument 1 is invalid : public integral_constant { }; ^ /usr/include/c++/7/type_traits:1469:46: note: invalid template non-type parameter /usr/include/c++/7/type_traits:1471:31: error: ‘std::size_t’ has not been declared template ^~~~~~ /usr/include/c++/7/type_traits:1472:21: error: ‘_Size’ was not declared in this scope struct rank<_Tp[_Size]> ^~~~~ /usr/include/c++/7/type_traits:1472:27: error: template argument 1 is invalid struct rank<_Tp[_Size]> ^ /usr/include/c++/7/type_traits:1473:37: error: ‘size_t’ is not a member of ‘std’ : public integral_constant::value> { }; ^~~~~~ /usr/include/c++/7/type_traits:1473:37: note: suggested alternative: In file included from /usr/include/stdlib.h:31:0, from /usr/include/c++/7/bits/std_abs.h:38, from /usr/include/c++/7/cmath:47, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:41, from Main.cc:18: /usr/lib/gcc/x86_64-linux-gnu/7/include/stddef.h:216:23: note: ‘size_t’ typedef __SIZE_TYPE__ size_t; ^~~~~~ In file included from /usr/include/c++/7/bits/move.h:54:0, from /usr/include/c++/7/bits/nested_exception.h:40, from /usr/include/c++/7/exception:143, from /usr/include/c++/7/ios:39, from /usr/include/c++/7/istream:38, from /usr/include/c++/7/sstream:38, from /usr/include/c++/7/complex:45, from /usr/include/c++/7/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52, from Main.cc:18: /usr/include/c++/7/type_traits:1473:37: error: ‘size_t’ is not a member of ‘std’ : public integral_constant::value> { }; ^~~~~~ /usr/include/c++/7/type_traits:1473:37: note: suggested alternative: In file included from /usr/include/stdlib.h:31:0, from /usr/include/c++/7/bits/std_abs.h:38, from /usr/include/c++/7/cmath:47, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:41, from Main.cc:18: /usr/lib/gcc/x86_64-linux-gnu/7/include/stddef.h:216:23: note: ‘size_t’ typedef __SIZE_TYPE__ size_t; ^~~~~~ In file included from /usr/include/c++/7/bits/move.h:54:0, from /usr/include/c++/7/bits/nested_exception.h:40, from /usr/include/c++/7/exception:143, from /usr/include/c++/7/ios:39, from /usr/include/c++/7/istream:38, from /usr/include/c++/7/sstream:38, from /usr/include/c++/7/complex:45, from /usr/include/c++/7/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52, from Main.cc:18: /usr/include/c++/7/type_traits:1473:65: error: template argument 1 is invalid : public integral_constant::value> { }; ^ /usr/include/c++/7/type_traits:1473:65: note: invalid template non-type parameter /usr/include/c++/7/type_traits:1477:37: error: ‘size_t’ is not a member of ‘std’ : public integral_constant::value> { }; ^~~~~~ /usr/include/c++/7/type_traits:1477:37: note: suggested alternative: In file included from /usr/include/stdlib.h:31:0, from /usr/include/c++/7/bits/std_abs.h:38, from /usr/include/c++/7/cmath:47, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:41, from Main.cc:18: /usr/lib/gcc/x86_64-linux-gnu/7/include/stddef.h:216:23: note: ‘size_t’