Compilare: main.cpp: In function 'int intoarce()': main.cpp:14:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < strlen(s); ++i) ~~^~~~~~~~~~~ main.cpp:23:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] else if(st > strlen(s)/2) ~~~^~~~~~~~~~~~~