Compilare: main.cpp: In function 'int main()': main.cpp:16:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1; i<=n; i++) ~^~~ main.cpp:26:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=i+1; j<=n; j++) ~^~~ main.cpp:42:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (lg[i] > ans1) ~~~~~~^~~~~~ main.cpp:49:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1; i<=n; i++) ~^~~ main.cpp:51:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(lg[i] == ans1) ~~~~~~^~~~~~~