Compilare: main.cpp: In function 'int main()': main.cpp:56:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<wrong.size();i++) printf("%ld ",wrong[i]); ~^~~~~~~~~~~~~ main.cpp:59:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<chars.size();i++){ ~^~~~~~~~~~~~~ main.cpp:20:37: 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); ^ main.cpp:21:39: 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); ^ main.cpp:24:25: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result] fread(s+1,1,8,stdin); ^ main.cpp:51:29: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result] fread(s+1,1,8,stdin); ^