Compilare: user.cpp: In function ‘int main()’: user.cpp:67:15: warning: unused variable ‘j’ [-Wunused-variable] int m, i, j, tip, poz, x, val, sol; ^ user.cpp: In function ‘int ReadInt()’: user.cpp:16:40: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(Buffer,BSIZE,1,stdin); ^ user.cpp:26:40: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(Buffer,BSIZE,1,stdin); ^ user.cpp: In function ‘int main()’: user.cpp:68:44: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("cumainilecurate.in","r",stdin); ^ user.cpp:69:46: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("cumainilecurate.out","w",stdout); ^ user.cpp:70:32: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(Buffer,BSIZE,1,stdin); ^