Submission #574821

#	Time	Username	Problem	Language	Result	Execution time	Memory
574821		AJ00	Connecting Supertrees (IOI20_supertrees)	C++14	Compilation error	0 ms	0 KiB

supertrees

#include <bits/stdc++.h>

using namespace std;

int n;
const int MOD = 1000000007;
const int INF = 1e18;

int construct (vector<vector<int>> p){
    int n = p.size();
    vector<vector<int>> b(n,vector<int>(n,0));
    if (n == 1){
        build(b);
        return 1;
    }
    for (int i = 0; i < n; i++){
        if (!i){
            b[i][1] = 1;
        }
        if (i == n-1){
            b[i][n-2] = 1;
        }
        else {
            b[i][i-1] = 1;
            b[i][i+1] = 1;
        }
    }
    build(b);
    return 1;
}

Compilation message (stderr)

supertrees.cpp:7:17: warning: overflow in conversion from 'double' to 'int' changes value from '1.0e+18' to '2147483647' [-Woverflow]
    7 | const int INF = 1e18;
      |                 ^~~~
supertrees.cpp: In function 'int construct(std::vector<std::vector<int> >)':
supertrees.cpp:13:9: error: 'build' was not declared in this scope
   13 |         build(b);
      |         ^~~~~
supertrees.cpp:28:5: error: 'build' was not declared in this scope
   28 |     build(b);
      |     ^~~~~