Compilare: user.cpp: In function ‘int Query(Aint*, int, int, int, int, int, int)’: user.cpp:37:7: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(y<=leftY) ^ user.cpp:42:7: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(y>=rightY) ^ user.cpp: In function ‘void read(int&)’: user.cpp:109:38: 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,DIM,stdin); ^ user.cpp:117:38: 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,DIM,stdin); ^ user.cpp: In function ‘int main()’: user.cpp:123:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("mindist.in","r",stdin); ^ user.cpp:124:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("mindist.out","w",stdout); ^ user.cpp:126:30: 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,DIM,stdin); ^