foo.cc:1:19: warning: extra tokens at end of #include directive
 #include<iostream>;
                   ^
foo.cc:3:17: warning: extra tokens at end of #include directive
 #include<string>;
                 ^
foo.cc:4:18: warning: extra tokens at end of #include directive
 #include<cstdlib>;
                  ^
foo.cc: In function 'int main()':
foo.cc:96:8: warning: ignoring return value of 'int system(const char*)', declared with attribute warn_unused_result [-Wunused-result]
  system("pause");
  ~~~~~~^~~~~~~~~

[Hydro](https://hydro.ac)提供评测服务