Compilare: main.cpp: In function 'int main()': main.cpp:83:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j=copie.length(); j<s.length() && ok == 0; j++) ~^~~~~~~~~~~ main.cpp:85:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (acum[j] == copie.length()) ~~~~~~~~^~~~~~~~~~~~~~~~~ main.cpp:107:34: warning: 'drfin' may be used uninitialized in this function [-Wmaybe-uninitialized] out << st << " " << drfin; ^