Submission #1035701

#	Time	Username	Problem	Language	Result	Execution time	Memory
1035701		Zicrus	Connecting Supertrees (IOI20_supertrees)	C++17	Compilation error	0 ms	0 KiB

supertrees

#include <bits/stdc++.h>
#include "supertrees.h"
using namespace std;

typedef long long ll;

int construct(vector<vector<int>> &p) {
    for (int i = 0; i < n; i++) {
        for (int j = 0; j < n; j++) {
            p[i][j] = i == j ? 1 : 0;
        }
    }
    vector<vector<int>> res(n, vector<int>(n));
    build(res);
    return 1;
}

Compilation message (stderr)

supertrees.cpp: In function 'int construct(std::vector<std::vector<int> >&)':
supertrees.cpp:8:25: error: 'n' was not declared in this scope
    8 |     for (int i = 0; i < n; i++) {
      |                         ^
supertrees.cpp:13:29: error: 'n' was not declared in this scope
   13 |     vector<vector<int>> res(n, vector<int>(n));
      |                             ^