Compilare: main.cpp: In function 'void solve()': main.cpp:87:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for ( int j = 0; j < prime[ci].size(); j++ ) ~~^~~~~~~~~~~~~~~~~~ main.cpp:92:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for ( int k = 0; k < v[rat].size(); k++ ) ~~^~~~~~~~~~~~~~~ main.cpp:100:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for ( int k = 0; k < v[rat].size(); k++ ) ~~^~~~~~~~~~~~~~~ main.cpp:107:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for ( int j = 0; j < prime[ci].size(); j++ ) ~~^~~~~~~~~~~~~~~~~~ main.cpp:113:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for ( int k = 0; k < v[rat].size(); k++ ) ~~^~~~~~~~~~~~~~~ main.cpp:121:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for ( int k = 0; k <= v[rat].size(); k++ ) ~~^~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:143:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if ( v[i].size() > mx ) ~~~~~~~~~~~~^~~~ main.cpp:153:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for ( int i = 0; i < v[A].size(); i++ ) ~~^~~~~~~~~~~~~ main.cpp:161:44: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for ( int k = 0; k < v[poz].size(); k++ ) ~~^~~~~~~~~~~~~~~ main.cpp:172:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if ( v[i].size() > mx ) ~~~~~~~~~~~~^~~~ main.cpp:178:42: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if ( v[i].size() == mx ) ~~~~~~~~~~~~^~~~~ main.cpp:179:35: warning: 'cate' may be used uninitialized in this function [-Wmaybe-uninitialized] cate++; ^