Submission #671496

#	Time	Username	Problem	Language	Result	Execution time	Memory
671496		coding_snorlax	장난감 기차 (IOI17_train)	C++14	0 / 100	1270 ms	1368 KiB

train

#include<bits/stdc++.h>
#include "train.h"
using namespace std;
#define pb push_back
int vis[5005]={0};
vector<int> answer;
vector<int> G[5005];
int charge[5005]={0};
int flag=0;
void dfs(int node){
    vis[node]=1;
    if(charge[node]) flag=1;
    for(int i:G[node]){
        if(!vis[i]) dfs(i);
    }
}
vector<int> who_wins(vector<int> a,vector<int> r,vector<int> u,vector<int> v){
    for(int i=0;i<(int)r.size();i++){
        charge[i]=r[i];
    }
    for(int i=0;i<(int)u.size();i++){
        G[u[i]].push_back(v[i]);
    }
    for(int i=0;i<(int)a.size();i++){
        flag=0;
        for(int j=0;j<(int)a.size();j++){
            vis[j]=0;
        }
        dfs(i);
        if(flag) answer.pb(1);
        else answer.pb(0);
    }
    for(int i=0;i<2*(int)a.size();i++){
        //cout<<"ok";
        for(int j=0;j<(int)a.size();j++){
            int flag2=0;
            for(int k:G[j]){
                if(answer[k]!=0) flag2=1;
            }
            if(!flag2) answer[j]=0;
        }
    }
    return answer;

}

• Subtask 1: 0 / 5
• Subtask 2: 0 / 10
• Subtask 3: 0 / 11
• Subtask 4: 0 / 11
• Subtask 5: 0 / 12
• Subtask 6: 0 / 51