运行 ID: 48607

Main.cc: In function ‘int main()’:
Main.cc:10:9: warning: ‘char* gets(char*)’ is deprecated [-Wdeprecated-declarations]
   gets(a);//带有空格的输入串的方法 
         ^
In file included from /usr/include/stdio.h:862:0,
                 from /usr/include/c++/7/cstdio:42,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:46,
                 from Main.cc:2:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:232:1: note: declared here
 gets (char *__str)
 ^~~~
Main.cc:11:8: warning: ‘char* gets(char*)’ is deprecated [-Wdeprecated-declarations]
  gets(b);
        ^
In file included from /usr/include/stdio.h:862:0,
                 from /usr/include/c++/7/cstdio:42,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:46,
                 from Main.cc:2:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:232:1: note: declared here
 gets (char *__str)
 ^~~~
Main.cc:13:2: error: ‘strlwr’ was not declared in this scope
  strlwr(a);//大写变小写 strupr 小写变大写 
  ^~~~~~
Main.cc:13:2: note: suggested alternative: ‘strstr’
  strlwr(a);//大写变小写 strupr 小写变大写 
  ^~~~~~
  strstr
Main.cc:10:7: warning: ignoring return value of ‘char* gets(char*)’, declared with attribute warn_unused_result [-Wunused-result]
   gets(a);//带有空格的输入串的方法 
   ~~~~^~~
Main.cc:11:6: warning: ignoring return value of ‘char* gets(char*)’, declared with attribute warn_unused_result [-Wunused-result]
  gets(b);
  ~~~~^~~