Submission #1221084

#	Time	Username	Problem	Language	Result	Execution time	Memory
1221084		hmms127	Connecting Supertrees (IOI20_supertrees)	C++20	Compilation error	0 ms	0 KiB

supertrees

#include "supertrees.h"
#include <vector>
using namespace std;

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

Compilation message (stderr)

supertrees.cpp: In function 'int construct(std::vector<std::vector<int> >)':
supertrees.cpp:7:26: error: 'n' was not declared in this scope
    7 |     vector<vector<int>>v(n+1,vector<int>(n+1,0));
      |                          ^