Submission #229093

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
229093	2020-05-03 11:07:36	thtsshz_bgwrswh	Quality Of Living (IOI10_quality)	C++17	Compilation error	0 ms	0 KiB

quality

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#pragma GCC optimize("Ofast")
#include "quality.h"
#include<stdio.h>
#include<algorithm>
using namespace std;
int r,c,h,w,num[3005][3005],pre[3005][3005];
bool check(int v){
  int i,j;
  for(i=0;i<r;i++){
    for(j=0;j<c;j++){
      if(num[i][j]>v)
        pre[i][j]=1;
      else if(num[i][j]==v)
        pre[i][j]=0;
      else
        pre[i][j]=-1; 
    }
  }
  for(i=0;i<r;i++)
    for(j=0;j<c;j++)
      pre[i][j]+=((i&&j)?pre[i-1][j-1]:0)-(j?pre[i][j-1]:0)-(i?pre[i-1][j]:0);
  for(i=0;i<=r-h;i++)
    for(j=0;j<=c-w;j++)
      if(pre[i+h-1][j+c-1]+((i&&j)?pre[i-1][j-1]:0)-(j?pre[i][j-1]:0)-(i?pre[i-1][j]:0)>=0)
        return 1;
  return 0;
}
int rectangle(int R,int C,int H,int W,int Q[3005][3005]){
  r=R;
  c=C;
 
 
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Compilation message (stderr)

/tmp/ccteGjV3.o: In function `main':
grader.cpp:(.text.startup+0xcd): undefined reference to `rectangle(int, int, int, int, int (*) [3001])'
collect2: error: ld returned 1 exit status