Compilare: user.cpp: In function ‘void Proc(int&)’: user.cpp:24:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1;i<strlen(P);i++){ ^ user.cpp:29:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<strlen(S);i++){ ^ user.cpp:32:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(w==strlen(P)) Rec[i-strlen(P)+1][wh]=1; ^ user.cpp: In function ‘int main()’: user.cpp:48:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<strlen(S);i++){ ^