Compilare: main.cpp: In function 'int main()': main.cpp:26:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<strlen(s);i++) ~^~~~~~~~~~ main.cpp:67:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int p=0;p<strlen(sub);p++) ~^~~~~~~~~~~~ main.cpp:76:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<strlen(s);i++) ~^~~~~~~~~~ main.cpp:98:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int p=0;p<strlen(sub);p++) ~^~~~~~~~~~~~ main.cpp:126:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int p=0;p<strlen(sub);p++) ~^~~~~~~~~~~~