Compilare: main.cpp: In function 'void solve1()': main.cpp:10:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1; i<=n; i++) ~^~~ main.cpp:19:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=3; i<=k; i++) ~^~~ main.cpp: In function 'void solve2()': main.cpp:30:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1; i<=n; i++) ~^~~ main.cpp:44:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(cnt<=k) ~~~^~~ main.cpp:47:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if((i<=n)&&(aux[cnt]+aux[cnt-1]>v[i]||(k-cnt)==(n-i))) ~^~~ main.cpp:54:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1;i<=k;i++) ~^~~