Compilare: main.cpp: In function 'bool subsir(std::__cxx11::string, std::__cxx11::string)': main.cpp:11:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<b.size();j++){ ~^~~~~~~~~ main.cpp:16:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(i==a.size()) ~^~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:35:22: warning: format '%s' expects argument of type 'char*', but argument 2 has type 'char (*)[5003]' [-Wformat=] scanf("%s",&s); ^ main.cpp:69:33: warning: format '%d' expects argument of type 'int', but argument 2 has type 'std::vector<std::__cxx11::basic_string<char> >::size_type {aka long unsigned int}' [-Wformat=] printf("%d\n",sol.size()); ^ main.cpp:70:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<sol.size();i++){ ~^~~~~~~~~~~ main.cpp:25:39: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("interesant.in","r",stdin); ^ main.cpp:26:41: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("interesant.out","w",stdout); ^ main.cpp:29:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d",&cer,&n); ^ main.cpp:35:23: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%s",&s); ^