Compilare: main.cpp: In function 'int main()': main.cpp:15:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1;i<D;i++) ~^~ main.cpp:16:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=1;j<=N;j++) ~^~~ main.cpp:17:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int x=1;x<=K+1;x++) ~^~~~~ main.cpp:20:10: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(j==N) ~^~~ main.cpp:22:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] X=x+(j==P[x]); ~^~~~~~