Submission #68943

#TimeUTC-0UsernameProblemLanguageResultExecution timeMemory
689432018-08-19 10:28:38aquablitz11Toy Train (IOI17_train)C++14
15 / 100
2073 ms124176 KiB
#pragma GCC optimize("Ofast")
#include <bits/stdc++.h>
#include "train.h"
using namespace std;
using pii = pair<int, int>;
const int N = 5e3+10;
int n, m;
int gsz[N];
vector<int> R[N];
bool used[N][N];
int cnt[N][N];
vector<int> who_wins(vector<int> A, vector<int> C, vector<int> U, vector<int> V)
{
// input
n = A.size();
m = U.size();
for (int i = 0; i < m; ++i) {
++gsz[U[i]];
R[V[i]].push_back(U[i]);
}
// winning position
vector<int> ans(n, 1);
queue<pii> Q;
for (int i = 0; i < n; ++i) {
if (C[i]) {
for (int j = 0; j < n; ++j)
 
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