Compilare: main.cpp: In function 'void solve(long long int, long long int)': main.cpp:60:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(long long i = 0; i<ord.size();i++){ ~^~~~~~~~~~~ main.cpp:65:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(i< chng.size() && (chng[i].time <= q[j].m)){ ~^~~~~~~~~~~~~ main.cpp:76:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(pas + p2 < ord.size() && eval(ord[pas + p2], q[j].m) <= -q[j].b) ~~~~~~~~~^~~~~~~~~~~~