Compilare: user.cpp: In function ‘void add(int, int)’: user.cpp:11:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(poz==strlen(s)-1) {number[h]++; return;} else ^ user.cpp:19:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(poz==strlen(s)-1) {number[noade]++; return;} else ^ user.cpp: In function ‘void spulber(int, int)’: user.cpp:25:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(poz==strlen(s)) number[varf]--; else ^ user.cpp: In function ‘void tipar(int, int)’: user.cpp:32:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] { if(poz==strlen(s)) cout<<number[varf]<<"\n"; else ^