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Submission #972049

# Submission time Handle Problem Language Result Execution time Memory
972049 2024-04-30T01:03:50 Z mariaclara Toy Train (IOI17_train) C++17
11 / 100
 770 ms 1628 KB 
#include "train.h"
#include<bits/stdc++.h>
 
using namespace std;
 
typedef long long ll;
typedef pair<ll,ll> pii;
const int INF = 1e9+10;
const ll LINF = 1e18+10;
#define all(x) x.begin(), x.end()
#define sz(x) x.size()
#define mk make_pair
#define pb push_back
#define f first 
#define s second
 
int t, grau[5005], at_grau[5005];
bool valid[5005], B[5005], R[5005];
vector<int> edges[5005];
 
void dfs(int x) {
	for(int viz : edges[x]) {
		if(R[viz]) continue;
		at_grau[viz]--;
		if(B[viz] and !valid[viz]) valid[viz] = 1, dfs(viz);
		if(at_grau[viz] == 0 and !valid[viz]) valid[viz] = 1, dfs(viz);
	}
}
 
vector<int> who_wins(vector<int> a, vector<int> r, vector<int> u, vector<int> v) {
	int n = sz(a), m = sz(u);
	vector<int> ans(n,1);
 
	for(int i = 0; i < m; i++) edges[v[i]].pb(u[i]), grau[u[i]]++;
	for(int i = 0; i < n; i++) B[i] = !a[i], R[i] = r[i];

	queue<int> fila;
 
	for(int i = 0; i < n; i++) {
		if(r[i]) continue;
		for(int j = 0; j < n; j++) at_grau[j] = grau[i], valid[j] = 0;
		dfs(i);
		if(valid[i]) fila.push(i);
	}

	while(!fila.empty()) {
		int x = fila.front();
		fila.pop();

		if(!ans[x]) continue;
		ans[x] = 0;

		for(int viz : edges[x]) {
			grau[viz]--;
			if(grau[viz] == 0) fila.push(viz);
			else if(!a[viz]) fila.push(viz);
		}
	}

	return ans;
}

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 7 ms 860 KB 3rd lines differ - on the 1st token, expected: '0', found: '1'
2 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Incorrect 1 ms 348 KB 3rd lines differ - on the 4th token, expected: '0', found: '1'
5 Halted 0 ms 0 KB -

Subtask #3
0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 143 ms 1628 KB 3rd lines differ - on the 1st token, expected: '0', found: '1'
2 Halted 0 ms 0 KB -

Subtask #4
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 1112 KB Output is correct
2 Correct 79 ms 1116 KB Output is correct
3 Correct 112 ms 1392 KB Output is correct
4 Correct 32 ms 1380 KB Output is correct
5 Correct 199 ms 1380 KB Output is correct
6 Correct 191 ms 1440 KB Output is correct
7 Correct 156 ms 1380 KB Output is correct
8 Correct 99 ms 1380 KB Output is correct
9 Correct 6 ms 1112 KB Output is correct
10 Correct 9 ms 1368 KB Output is correct
11 Correct 6 ms 1372 KB Output is correct
12 Correct 7 ms 1368 KB Output is correct
13 Correct 388 ms 1516 KB Output is correct
14 Correct 207 ms 1368 KB Output is correct

Subtask #5
0 / 12.0

# Verdict Execution time Memory Grader output
1 Incorrect 770 ms 1560 KB 3rd lines differ - on the 1st token, expected: '1', found: '0'
2 Halted 0 ms 0 KB -

Subtask #6
0 / 51.0

# Verdict Execution time Memory Grader output
1 Incorrect 7 ms 860 KB 3rd lines differ - on the 1st token, expected: '0', found: '1'
2 Halted 0 ms 0 KB -