Compilare: main.cpp: In function 'int esubsir(char*, char*)': main.cpp:9:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(subsir && i<strlen(s2)) ~^~~~~~~~~~~ main.cpp:14:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] return (i==strlen(s2)); ~^~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:25:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(strlen(s)>maxi) ~~~~~~~~~^~~~~ main.cpp:30:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(strlen(s)==maxi && strcmp(s,sir_max)<0) ~~~~~~~~~^~~~~~