Compilare: main.cpp: In function 'int main()': main.cpp:51:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(int i=1; i<=n; i++) ^~~ main.cpp:54:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' sort(times.begin(), times.end(), greater<pair<int,int> >()); ^~~~ main.cpp:56:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<times.size(); i++) ~^~~~~~~~~~~~~