Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:46:49: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int k=0; k<M[i][w].size(); ++k) { ^ user.cpp:47:61: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int l=0; l<M[i+w+1][j-w-1].size();++l) { ^ user.cpp:51:48: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int t=0;t<M[i][j].size();++t) { ^ user.cpp:52:44: error: request for member ‘size’ in ‘v[t]’, which is of non-class type ‘std::vector<int> [26]’ for(int b=0;b<v[t].size();++b) { ^ user.cpp:53:45: error: ‘class std::vector<int>’ has no member named ‘first’ int k = v[t][b].first; ^ user.cpp:54:45: error: ‘class std::vector<int>’ has no member named ‘second’ int l = v[t][b].second; ^ user.cpp:12:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("minerale.in","r",stdin); ^ user.cpp:14:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&R,&Mm); ^