Submission #766888

#	Time	Username	Problem	Language	Result	Execution time	Memory
766888		irmuun	Quality Of Living (IOI10_quality)	C++17	Compilation error	0 ms	0 KiB

quality

#include<bits/stdc++.h>
#include "quality.h"
 
using namespace std;
 
#define pb push_back
#define ll long long
#define ff first
#define ss second
#define all(s) s.begin(),s.end()

int rectangle(int R,int C,int H,int W,int Q[][]){
    int sum[R+1][C+1],m=H*W/2+1;
    int l=1,r=R*C;
    while(l<r){
        int mid=(l+r)/2;
        bool ok=false;
        sum[0][0]=0;
        for(int i=0;i<=R;i++){
            for(int j=0;j<=C;j++){
                if(i==0||j==0){
                    sum[i][j]=0;
                    continue;
                }
                sum[i][j]=sum[i-1][j]+sum[i][j-1]-sum[i-1][j-1]+(Q[i-1][j-1]<=mid);
                if(i>=H&&j>=W){
                    if(sum[i][j]-sum[i-H][j]-sum[i][j-W]+sum[i-H][j-W]>=m){
                        ok=true;
                    }
                }
            }
        }
        if(ok==true){
            r=mid;
        }
        else{
            l=mid+1;
        }
    }
    return l;
}

Compilation message (stderr)

quality.cpp:12:43: error: declaration of 'Q' as multidimensional array must have bounds for all dimensions except the first
   12 | int rectangle(int R,int C,int H,int W,int Q[][]){
      |                                           ^
quality.cpp: In function 'int rectangle(...)':
quality.cpp:13:13: error: 'R' was not declared in this scope
   13 |     int sum[R+1][C+1],m=H*W/2+1;
      |             ^
quality.cpp:13:18: error: 'C' was not declared in this scope
   13 |     int sum[R+1][C+1],m=H*W/2+1;
      |                  ^
quality.cpp:13:25: error: 'H' was not declared in this scope
   13 |     int sum[R+1][C+1],m=H*W/2+1;
      |                         ^
quality.cpp:13:27: error: 'W' was not declared in this scope
   13 |     int sum[R+1][C+1],m=H*W/2+1;
      |                           ^
quality.cpp:18:9: error: 'sum' was not declared in this scope
   18 |         sum[0][0]=0;
      |         ^~~
quality.cpp:25:66: error: 'Q' was not declared in this scope
   25 |                 sum[i][j]=sum[i-1][j]+sum[i][j-1]-sum[i-1][j-1]+(Q[i-1][j-1]<=mid);
      |                                                                  ^