Submission #794180

#	Time	Username	Problem	Language	Result	Execution time	Memory
794180		alvingogo	Toy Train (IOI17_train)	C++14	5 / 100	5 ms	1236 KiB

train

#include "train.h"
#include <bits/stdc++.h>
#pragma GCC optimize("Ofast")
#define AquA cin.tie(0);ios_base::sync_with_stdio(0);
#define fs first
#define sc second
#define p_q priority_queue
using namespace std;

typedef long long ll;
const ll inf=1e9;
void print(auto& a){
	return;
	for(auto h:a){
		cerr << h << " ";
	}
	cerr << "\n";
}
vector<int> who_wins(vector<int> a, vector<int> r, vector<int> u, vector<int> v) {
	int n=a.size(),m=u.size();
	vector<int> ans(n);
	vector<vector<int> > e(n);
	for(int i=0;i<m;i++){
		e[u[i]].push_back(v[i]);
	}
	for(int i=n-1;i>=0;i--){
		int mx=0,mn=1;
		for(auto y:e[i]){
			if(y==i){
				if(r[i]==1){
					mx=1;
				}
				else{
					mn=0;
				}
			}
			else{
				mx=max(mx,ans[y]);
				mn=min(mn,ans[y]);
			}
		}
		if(a[i]==0){
			ans[i]=mn;
		}
		else{
			ans[i]=mx;
		}
	}
	return ans;
}

Compilation message (stderr)

train.cpp:12:12: warning: use of 'auto' in parameter declaration only available with '-fconcepts-ts'
   12 | void print(auto& a){
      |            ^~~~

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