Compilare: main.cpp: In function 'int catePuncte(std::vector<punct>)': main.cpp:56:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 1 ; i < v.size() ; i++) ~~^~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:70:32: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("ace.in","r",stdin); ^ main.cpp:71:34: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("ace.out","w",stdout); ^