Eroare de compilare: main.cpp: In function 'int solve()': main.cpp:35:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i = 0 ; i < v.size() ; i ++) ~~^~~~~~~~~~ main.cpp:36:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j = 0 ; j < G[i].size() ; j ++) ~~^~~~~~~~~~~~~ main.cpp:39:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i = 0 ; i < v.size() ; i ++) ~~^~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:50:19: error: 'gets' was not declared in this scope while(gets(aux)) ^ main.cpp:56:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i = 0 ; i < s.length() ; i ++) ~~^~~~~~~~~~~~ main.cpp:60:86: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if((i > 0 && !isalpha(s[i]) && isalpha(s[i - 1])) || (isalpha(s[i]) && i == s.length() - 1)) ~~^~~~~~~~~~~~~~~~~ main.cpp:68:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i = 0 ; i < v.size() - 1 ; i ++) ~~^~~~~~~~~~~~~~ main.cpp:69:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j = i + 1 ; j < v.size() ; j ++) ~~^~~~~~~~~~ main.cpp:46:37: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("lant.in" , "r" , stdin); ^ main.cpp:47:39: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("lant.out" , "w" , stdout); ^ main.cpp:49:23: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d\n" , &k); ^ Non zero exit status: 1