# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
88657 | Badral | Energetic turtle (IZhO11_turtle) | C++17 | 823 ms | 262148 KiB |
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<bits/stdc++.h>
#define maxn 10005
#define mp make_pair
using namespace std;
typedef long long ll;
bool a[maxn][maxn];
int main() {
int n, m, k1, t, z;
cin >>n >>m >>k1 >>t >>z;
while(k1--) {
int x, y;
cin >>x >>y;
a[x][y] = 1;
}
ll ans = 0;
queue<pair<pair<int,int> ,int> > pq;
pq.push(mp(mp(0, 0), t));
while(!pq.empty()) {
int x = pq.front().first.first;
int y = pq.front().first.second;
int k = pq.front().second;
if(x == n && y == m) ans++;
pq.pop();
if(x < n) {
if(a[x+1][y] == 1 && k > 0) {
pq.push(mp(mp(x+1, y), k-1));
}
if(a[x+1][y] == 0) {
pq.push(mp(mp(x+1, y), k));
}
}
if(y < m) {
if(a[x][y+1] == 1 && k > 0) {
pq.push(mp(mp(x, y+1), k-1));
}
if(a[x][y+1] == 0) {
pq.push(mp(mp(x, y+1), k));
}
}
}
cout<<ans%z;
}
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