Submission #1289629

#	Time	Username	Problem	Language	Result	Execution time	Memory
1289629		eri16	Connecting Supertrees (IOI20_supertrees)	C++20	Compilation error	0 ms	0 KiB

supertrees

#include <bits/stdc++.h>
using namespace std;
/*
const int k=4;
    
int arr1[k][k];

void build(int b[k][k]){ 
    for (int i = 0; i < k; i++)
        for (int j = 0; j < k; j++)
            arr1[i][j] = b[i][j];
}
*/
int construct(vector<vector<int>> p){
    
    int n=p.size();
    
    int arr[n][n];
    
    for (int i=0; i<n; i++){
        for (int j=0; j<n; j++){
            arr[i][j]=0;
        }
    }
    
    for (int i=0; i<n-1; i++){
        arr[i][i+1]=1;
    }
    
    build(arr);
    return 0;
}

Compilation message (stderr)

supertrees.cpp: In function 'int construct(std::vector<std::vector<int> >)':
supertrees.cpp:30:5: error: 'build' was not declared in this scope
   30 |     build(arr);
      |     ^~~~~