Compilare: main.cpp: In function 'int main()': main.cpp:29:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(temp==vec2.size()-1) ~~~~^~~~~~~~~~~~~~~ main.cpp:11:39: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("strabunica.in","r",stdin); ^ main.cpp:12:41: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("strabunica.out","w",stdout); ^