Submission #812671

#	Time	Username	Problem	Language	Result	Execution time	Memory
812671		Dan4Life	Toy Train (IOI17_train)	C++17	0 / 100	6 ms	1236 KiB

train

#include "train.h"
#include <bits/stdc++.h>
using namespace std;
using vi = vector<int>;
#define pb push_back
#define sz(a) (int)a.size()
#define all(a) begin(a),end(a)
const int mxN = (int)5e3+10;
vi adj[mxN];

vi who_wins(vi a, vi r, vi u, vi v) {
	int n = sz(a), m = sz(u); vi ans(n,0);
	for(int i = 0; i < m; i++) adj[u[i]].pb(v[i]);
	for(int i = 0; i < n; i++) sort(all(adj[i]));
 	for(int i = 0; i < n; i++){
		if(adj[i][0]==i and r[i]){
			if(a[i] or sz(adj[i])==1){ ans[i] = 1;
				for(int j = i-1; j >= 0; j--){
					if(sz(adj[j])==2 or adj[i][0]==i) break;
					ans[j] = 1;
				}
			}
		}
	}
	return ans;
}

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