| # | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 367117 | 2021-02-16T10:16:35 Z | MilosMilutinovic | Connecting Supertrees (IOI20_supertrees) | C++14 | 275 ms | 31212 KB |
#include <bits/stdc++.h>
#include "supertrees.h"
using namespace std;
#define pb push_back
const int N=1050;
vector<int> E[N];
vector<vector<int>> p;
void AddEdge(int u,int v){E[u].pb(v);E[v].pb(u);}
vector<int> Euler;
bool was[N];
void DFS1(int u){
was[u]=true,Euler.pb(u);
for(int v:E[u])if(!was[v]&&p[u][v]==1)DFS1(v);
}
int construct(vector<vector<int>> P){
p=P;int n=(int)P.size();
for(int i=0;i<n;i++)for(int j=i+1;j<n;j++)if(p[i][j]>0)AddEdge(i,j);
bool one=false,two=false;
for(int i=0;i<n;i++)for(int j=0;j<n;j++)if(p[i][j]==1)one=true;
for(int i=0;i<n;i++)for(int j=0;j<n;j++)if(p[i][j]==2)two=true;
vector<vector<int>> ans(n,vector<int>(n,0));
if(!one&&!two){build(ans);return 1;}
if(one&&!two){
for(int i=0;i<n;i++){
if(!was[i]){
DFS1(i);
if((int)Euler.size()==1){Euler.clear();continue;}
for(int x:Euler)for(int y:Euler)if(x!=y&&p[x][y]==0)return 0;
for(int i=1;i<(int)Euler.size();i++){
int x=Euler[i],y=Euler[i-1];
ans[x][y]=ans[y][x]=1;
}
Euler.clear();
}
}
build(ans);
return 1;
}
}
Compilation message
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 1 ms | 364 KB | Output is correct |
| 2 | Correct | 1 ms | 364 KB | Output is correct |
| 3 | Correct | 1 ms | 364 KB | Output is correct |
| 4 | Correct | 1 ms | 364 KB | Output is correct |
| 5 | Correct | 1 ms | 364 KB | Output is correct |
| 6 | Correct | 11 ms | 1644 KB | Output is correct |
| 7 | Correct | 275 ms | 30188 KB | Output is correct |
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 1 ms | 364 KB | Output is correct |
| 2 | Correct | 1 ms | 364 KB | Output is correct |
| 3 | Correct | 1 ms | 364 KB | Output is correct |
| 4 | Correct | 1 ms | 364 KB | Output is correct |
| 5 | Correct | 1 ms | 364 KB | Output is correct |
| 6 | Correct | 11 ms | 1644 KB | Output is correct |
| 7 | Correct | 275 ms | 30188 KB | Output is correct |
| 8 | Correct | 1 ms | 364 KB | Output is correct |
| 9 | Correct | 1 ms | 364 KB | Output is correct |
| 10 | Correct | 1 ms | 364 KB | Output is correct |
| 11 | Correct | 1 ms | 364 KB | Output is correct |
| 12 | Correct | 10 ms | 1516 KB | Output is correct |
| 13 | Correct | 246 ms | 28140 KB | Output is correct |
| 14 | Correct | 1 ms | 492 KB | Output is correct |
| 15 | Correct | 1 ms | 364 KB | Output is correct |
| 16 | Correct | 5 ms | 1260 KB | Output is correct |
| 17 | Correct | 121 ms | 20972 KB | Output is correct |
| 18 | Correct | 1 ms | 364 KB | Output is correct |
| 19 | Correct | 1 ms | 364 KB | Output is correct |
| 20 | Correct | 65 ms | 7404 KB | Output is correct |
| 21 | Correct | 249 ms | 28524 KB | Output is correct |
| 22 | Correct | 244 ms | 28028 KB | Output is correct |
| 23 | Correct | 255 ms | 30060 KB | Output is correct |
| 24 | Correct | 246 ms | 28140 KB | Output is correct |
| 25 | Correct | 109 ms | 18668 KB | Output is correct |
| 26 | Correct | 106 ms | 18156 KB | Output is correct |
| 27 | Correct | 261 ms | 31212 KB | Output is correct |
| 28 | Correct | 249 ms | 28012 KB | Output is correct |
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 1 ms | 364 KB | Output is correct |
| 2 | Correct | 1 ms | 364 KB | Output is correct |
| 3 | Correct | 1 ms | 364 KB | Output is correct |
| 4 | Runtime error | 3 ms | 620 KB | Execution killed with signal 6 |
| 5 | Halted | 0 ms | 0 KB | - |
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 1 ms | 364 KB | Output is correct |
| 2 | Runtime error | 3 ms | 620 KB | Execution killed with signal 6 |
| 3 | Halted | 0 ms | 0 KB | - |
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 1 ms | 364 KB | Output is correct |
| 2 | Correct | 1 ms | 364 KB | Output is correct |
| 3 | Correct | 1 ms | 364 KB | Output is correct |
| 4 | Correct | 1 ms | 364 KB | Output is correct |
| 5 | Correct | 1 ms | 364 KB | Output is correct |
| 6 | Correct | 11 ms | 1644 KB | Output is correct |
| 7 | Correct | 275 ms | 30188 KB | Output is correct |
| 8 | Correct | 1 ms | 364 KB | Output is correct |
| 9 | Correct | 1 ms | 364 KB | Output is correct |
| 10 | Correct | 1 ms | 364 KB | Output is correct |
| 11 | Correct | 1 ms | 364 KB | Output is correct |
| 12 | Correct | 10 ms | 1516 KB | Output is correct |
| 13 | Correct | 246 ms | 28140 KB | Output is correct |
| 14 | Correct | 1 ms | 492 KB | Output is correct |
| 15 | Correct | 1 ms | 364 KB | Output is correct |
| 16 | Correct | 5 ms | 1260 KB | Output is correct |
| 17 | Correct | 121 ms | 20972 KB | Output is correct |
| 18 | Correct | 1 ms | 364 KB | Output is correct |
| 19 | Correct | 1 ms | 364 KB | Output is correct |
| 20 | Correct | 65 ms | 7404 KB | Output is correct |
| 21 | Correct | 249 ms | 28524 KB | Output is correct |
| 22 | Correct | 244 ms | 28028 KB | Output is correct |
| 23 | Correct | 255 ms | 30060 KB | Output is correct |
| 24 | Correct | 246 ms | 28140 KB | Output is correct |
| 25 | Correct | 109 ms | 18668 KB | Output is correct |
| 26 | Correct | 106 ms | 18156 KB | Output is correct |
| 27 | Correct | 261 ms | 31212 KB | Output is correct |
| 28 | Correct | 249 ms | 28012 KB | Output is correct |
| 29 | Correct | 1 ms | 364 KB | Output is correct |
| 30 | Correct | 1 ms | 364 KB | Output is correct |
| 31 | Correct | 1 ms | 364 KB | Output is correct |
| 32 | Runtime error | 3 ms | 620 KB | Execution killed with signal 6 |
| 33 | Halted | 0 ms | 0 KB | - |
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 1 ms | 364 KB | Output is correct |
| 2 | Correct | 1 ms | 364 KB | Output is correct |
| 3 | Correct | 1 ms | 364 KB | Output is correct |
| 4 | Correct | 1 ms | 364 KB | Output is correct |
| 5 | Correct | 1 ms | 364 KB | Output is correct |
| 6 | Correct | 11 ms | 1644 KB | Output is correct |
| 7 | Correct | 275 ms | 30188 KB | Output is correct |
| 8 | Correct | 1 ms | 364 KB | Output is correct |
| 9 | Correct | 1 ms | 364 KB | Output is correct |
| 10 | Correct | 1 ms | 364 KB | Output is correct |
| 11 | Correct | 1 ms | 364 KB | Output is correct |
| 12 | Correct | 10 ms | 1516 KB | Output is correct |
| 13 | Correct | 246 ms | 28140 KB | Output is correct |
| 14 | Correct | 1 ms | 492 KB | Output is correct |
| 15 | Correct | 1 ms | 364 KB | Output is correct |
| 16 | Correct | 5 ms | 1260 KB | Output is correct |
| 17 | Correct | 121 ms | 20972 KB | Output is correct |
| 18 | Correct | 1 ms | 364 KB | Output is correct |
| 19 | Correct | 1 ms | 364 KB | Output is correct |
| 20 | Correct | 65 ms | 7404 KB | Output is correct |
| 21 | Correct | 249 ms | 28524 KB | Output is correct |
| 22 | Correct | 244 ms | 28028 KB | Output is correct |
| 23 | Correct | 255 ms | 30060 KB | Output is correct |
| 24 | Correct | 246 ms | 28140 KB | Output is correct |
| 25 | Correct | 109 ms | 18668 KB | Output is correct |
| 26 | Correct | 106 ms | 18156 KB | Output is correct |
| 27 | Correct | 261 ms | 31212 KB | Output is correct |
| 28 | Correct | 249 ms | 28012 KB | Output is correct |
| 29 | Correct | 1 ms | 364 KB | Output is correct |
| 30 | Correct | 1 ms | 364 KB | Output is correct |
| 31 | Correct | 1 ms | 364 KB | Output is correct |
| 32 | Runtime error | 3 ms | 620 KB | Execution killed with signal 6 |
| 33 | Halted | 0 ms | 0 KB | - |