This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include "game.h"
#include <bits/stdc++.h>
using namespace std;
vector<vector<int>> adjchart;
int K, N;
bool cycledetector4000(int i, int oi, bool f, vector<bool>& q, vector<bool>& dpcache){
if (!f && i == oi){
return true;
}
if (q[i]){
return dpcache[i];
}
bool pl = false;
for (int j : adjchart[i]){
pl |= cycledetector4000(j, oi, false, q, dpcache);
}
q[i] = true;
return dpcache[i] = pl;
}
void init(int n, int k) {
adjchart.resize(n + 10);
K = k;
N = n;
for (int i = 0; i < k - 1; ++i){
adjchart[i].push_back(i + 1);
}
}
int add_teleporter(int u, int v) {
adjchart[u].push_back(v);
vector<bool> q(N + 10);
vector<bool> dpcache(N + 10);
bool pl = false;
for (int i = K - 1; i >= 0; --i){
pl |= cycledetector4000(i, i, true, q, dpcache);
}
if (pl){
return 1;
}
return 0;
}
int balls() {
int n, k, m;
cin >> n >> k >> m;
init(n, k);
for (int i = 0; i < m; ++i){
int a, b;
cin >> a >> b;
cout << add_teleporter(a, b) << endl;
}
return 0;
}
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