Compilare: main.cpp: In function 'void radix(std::vector<int>, int)': main.cpp:10:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0 ; i < v.size() ; i ++) ~~^~~~~~~~~~ main.cpp:17:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < v.size(); i ++){ ~~^~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:33:38: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("binar.in" , "r" , stdin); ^ main.cpp:34:40: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("binar.out" , "w" , stdout); ^ main.cpp:35:28: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d" , &n , &m); ^ main.cpp:38:31: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%s" , s[i] + 1); ^