Compilare: user.cpp: In function ‘int main()’: user.cpp:45:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<wrong.size();i++) printf("%ld ",wrong[i]); ^ user.cpp:48:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<chars.size();i++){ ^ user.cpp:19:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("paritate.in","r",stdin); ^ user.cpp:20:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("paritate.out","w",stdout); ^ user.cpp:22:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s",s+1); ^