Submission #1343709

#	Time	Username	Problem	Language	Result	Execution time	Memory
1343709		ElyesChaabouni	Connecting Supertrees (IOI20_supertrees)	C++20	Compilation error	0 ms	0 KiB

supertrees

#include <bits/stdc++.h>
using namespace std;
int construct(vector<vector<int>> p){
    int n=p[0].size();
    vector<vector<int>> ans(n,vector<int>());
    for(int i=0;i<n;i++){
        for(int j=0;j<n;j++){
            if(j==i+1||j==i-1)ans[i].push_back(1);
            else ans[i].push_back(0);
        }
    }
    build(ans);
    return 1;
}

Compilation message (stderr)

supertrees.cpp: In function 'int construct(std::vector<std::vector<int> >)':
supertrees.cpp:12:5: error: 'build' was not declared in this scope
   12 |     build(ans);
      |     ^~~~~