Submission #1233203

#	Time	Username	Problem	Language	Result	Execution time	Memory
1233203		hq77	Vision Program (IOI19_vision)	C++20	Compilation error	0 ms	0 KiB

vision

#include <bits/stdc++.h>
using namespace std;
int dis(int a, int b, int w){
    int x1,y1,x2,y2;
    x1=a/w,y1=a%w;
    x2=b/w,y2=b%w;
    return abs(x1-x2)+abs(y1-y2);
}
void construct_network(int h, int w, int k){
    int cnt=0;
    vector<int>check;
    for(int i=0;i<h;i++){
        for(int j=0;j<w;j++){
            if(dis(i,j,w)==k){
                vector<int>x={i,j};
                add_and(x);
                check.push_back(h*w+cnt);
                cnt++;
            }
        }
    }
    add_or(check);
}

Compilation message (stderr)

vision.cpp: In function 'void construct_network(int, int, int)':
vision.cpp:16:17: error: 'add_and' was not declared in this scope
   16 |                 add_and(x);
      |                 ^~~~~~~
vision.cpp:22:5: error: 'add_or' was not declared in this scope
   22 |     add_or(check);
      |     ^~~~~~