Compilare: main.cpp: In function 'int main()': main.cpp:12:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0; i<strlen(s) && ok==1; i++) ~^~~~~~~~~~ main.cpp:23:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(p<strlen(s)) ~^~~~~~~~~~ main.cpp:32:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=1; i<strlen(s); i++) ~^~~~~~~~~~ main.cpp:45:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0; i<strlen(s) && ok1==1; i++) ~^~~~~~~~~~