运行 ID: 54965

Main.cc:1:20: warning: extra tokens at end of #include directive
 #include  int main() { int a, b; scanf("%d %d", &a, &b); printf("%d\n", a + b); return 0; }
                    ^~~
/usr/lib/gcc/x86_64-linux-gnu/7/../../../x86_64-linux-gnu/crt1.o: In function `_start':
(.text+0x20): undefined reference to `main'
collect2: error: ld returned 1 exit status