Submission #545228

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
545228	2022-04-04 04:25:22	AbdelmagedNour	Quality Of Living (IOI10_quality)	C++17	Compilation error	0 ms	0 KiB

quality

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#include<bits/stdc++.h>
#include "quality.h"
#include "grader.cpp"
int a[3001][3001],pre[3001][3001];
int n,m,x,y;
int sum(int x1,int x2,int y1,int y2){
    int sum1=pre[x2][y2];
    int sum2=(y1?pre[x2][y1-1]:0);
    int sum3=(x1?pre[x1-1][y2]:0);
    int sum4=(x1&&y1?pre[x1-1][y1-1]:0);
    return sum1-sum2-sum3+sum4;
}
bool f(int X){
    for(int i=0;i<n;i++){
        for(int j=0;j<m;j++){
            pre[i][j]=(i?pre[i-1][j]:0)+(j?pre[i][j-1]:0)-(i&&j?pre[i-1][j-1]:0)+(a[i][j]<=X?1:-1);
        }
    }
    for(int i=x-1;i<n;i++){
        for(int j=y-1;j<m;j++){
            if(sum(i-x+1,i,j-y+1,j)>=1){
                std::cout<<sum(i-x+1,i,j-y+1,j)<<" "<<i<<" "<<j<<"\n";
                return 1;
            }
        }
    }
    return 0;
}
int rectangle(int R, int C, int H, int W, int Q[3001][3001]) {
  n=R;m=C;x=H;y=W;
 
 
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Compilation message (stderr)

/usr/bin/ld: /tmp/ccrwWNBU.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccqsa5AU.o:quality.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status