Compilare: user.cpp: In function ‘int main()’: user.cpp:58:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0; j<v[i].size(); ++j) ^ user.cpp:62:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(j+1<v[i].size() && v[i][j]+1==v[i][j+1]) ^ user.cpp: In function ‘int GetInt()’: user.cpp:25:59: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] if(poz==Size) poz=0, fread(Buffer, 1, Size, stdin); ^ user.cpp:33:59: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] if(poz==Size) poz=0, fread(Buffer, 1, Size, stdin); ^ user.cpp: In function ‘int main()’: user.cpp:40:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("operatii.in", "r", stdin); ^ user.cpp:41:41: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("operatii.out", "w", stdout); ^ user.cpp:43:34: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(Buffer, 1, Size, stdin); ^