Compilare: main.cpp: In function 'int nr(int)': main.cpp:15:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=poz;j<strlen(s);j++) ~^~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:44:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<strlen(s);i++) ~^~~~~~~~~~ main.cpp:69:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<strlen(s);i++) ~^~~~~~~~~~ main.cpp:38:25: warning: unused variable 't' [-Wunused-variable] int cer,numar,m,n,p,t=0,start,end,key; ^ main.cpp:38:29: warning: unused variable 'start' [-Wunused-variable] int cer,numar,m,n,p,t=0,start,end,key; ^~~~~ main.cpp:38:35: warning: unused variable 'end' [-Wunused-variable] int cer,numar,m,n,p,t=0,start,end,key; ^~~ main.cpp:38:39: warning: unused variable 'key' [-Wunused-variable] int cer,numar,m,n,p,t=0,start,end,key; ^~~ main.cpp:96:30: warning: 'numar' may be used uninitialized in this function [-Wmaybe-uninitialized] d += numar; ^~~~~