Compilare: main.cpp: In function 'void solve(int)': main.cpp:35:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(i < prim.size() && a >= prim[i]*prim[i]) ~~^~~~~~~~~~~~~ main.cpp:37:47: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] { if(1+dp[a/prim[i]].size() > maxi) ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~ main.cpp:48:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(i < prim.size() && a >= prim[i]*prim[i]) ~~^~~~~~~~~~~~~ main.cpp:50:45: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] { if(dp[a/prim[i]].size() > maxi) ~~~~~~~~~~~~~~~~~~~~~^~~~~~ main.cpp:57:50: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] else if(dp[a/prim[i]].size() == maxi && prim[i]*dp[a/prim[i]][0] < pt) ~~~~~~~~~~~~~~~~~~~~~^~~~~~~ main.cpp: In function 'void solve3(int, int)': main.cpp:117:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<v.size(); i++) ~^~~~~~~~~ main.cpp:127:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<w.size(); i++) v.push_back(w[i]); ~^~~~~~~~~