Compilare: user.cpp: In function ‘int ok(int, int)’: user.cpp:25:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 0; i < fiu[n].size(); i++) ^ user.cpp:42:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 1; i < todo[m].size(); i++) ^ user.cpp:54:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (ja < mut[vmint.first].size() && jb < mut[f].size()) ^ user.cpp:54:60: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (ja < mut[vmint.first].size() && jb < mut[f].size()) ^ user.cpp:73:48: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (mmic == 0 && ja < mut[vmint.first].size()) ^ user.cpp:80:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 0; i < todo[m].size(); i++) ^ user.cpp:99:43: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (t == Tmin[f][s] && s < mut[f].size()) ^ user.cpp:133:42: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (t == Tmin[f][s] && s < mut[f].size()) ^ user.cpp: In function ‘void df(int)’: user.cpp:158:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 0; i < fiu[n].size(); i++) ^ user.cpp:180:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 0; i < fiu[n].size(); i++) ^ user.cpp:183:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 0; i < mut[n].size(); i++) ^ user.cpp:189:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 0; i < fiu[n].size(); i++) ^ user.cpp:193:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (i >= fiu[n].size()) ^ user.cpp:203:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 0; i < fiu[n].size(); i++) ^ user.cpp:232:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 0; i < mut[n].size(); i++) ^ user.cpp:243:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 0; i < fiu[n].size(); i++) ^