Submission #1064887

#	Time	Username	Problem	Language	Result	Execution time	Memory
1064887		kkkkkkkk	Connecting Supertrees (IOI20_supertrees)	C++14	Compilation error	0 ms	0 KiB

supertrees

#include <bits/stdc++.h>

using namespace std;

int construct(vector<vector<int> > paths) {
    int n=paths.size();
    vector<vector<int> > a=paths;
    for (int i=0;i<n;i++) {
        for (int j=0;j<n;j++) {
            if (j==i+1||i==j+1)
                a[i][j]=1;
            else a[i][j]=0;
        }
    }
    build(a);
    return 1;
}

Compilation message (stderr)

supertrees.cpp: In function 'int construct(std::vector<std::vector<int> >)':
supertrees.cpp:15:5: error: 'build' was not declared in this scope
   15 |     build(a);
      |     ^~~~~