Submission #1301118

#	Time	Username	Problem	Language	Result	Execution time	Memory
1301118		sano	Connecting Supertrees (IOI20_supertrees)	C++20	Compilation error	0 ms	0 KiB

supertrees

// Source: https://usaco.guide/general/io
#include <iostream>  // cin, cout
#include <vector>    // vector
#include <string>    // string

#define vec vector
#define mod 1000000007
#define For(i,n) for(int i = 0; i < n; i++)
using namespace std;


int construct(vec<vec<int>>p){
    int n = p.size();
    vec<vec<int>> odp(n, vec<int>(n));
    For(i, (n-1)){
        //spoj i a i+1
        odp[i][i+1] = 1;
    }
    build(odp);
    return 1;
}

/*
int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
	
    return 0;
}*/

Compilation message (stderr)

supertrees.cpp: In function 'int construct(std::vector<std::vector<int> >)':
supertrees.cpp:19:5: error: 'build' was not declared in this scope
   19 |     build(odp);
      |     ^~~~~