oj.uz

Submission #291272

# Submission time Handle Problem Language Result Execution time Memory
291272 2020-09-05T03:27:43 Z penguinhacker Političari (COCI20_politicari) C++17
70 / 70
 276 ms 60152 KB 
#include <bits/stdc++.h>
using namespace std;

#define ll long long
#define ar array

const int mxN=500;
int n, nxt[mxN*mxN][60];
ll k;

int main() {
	ios::sync_with_stdio(0);
	cin.tie(0);

	cin >> n >> k, --k;
	for (int i=0; i<n; ++i) for (int j=0; j<n; ++j) {
		cin >> nxt[n*j+i][0], --nxt[n*j+i][0];
		if (i==j) continue;
		nxt[n*j+i][0]+=n*i;
	}
	for (int j=1; j<60; ++j) for (int i=0; i<n*n; ++i) if (i/n!=i%n) nxt[i][j]=nxt[nxt[i][j-1]][j-1];
	int cur=1;
	for (int j=0; j<60; ++j) {
		if ((k>>j)&1) {
			cur=nxt[cur][j];
		}
	}
	int ans=(cur/n)+1;
	cout << ans << "\n";
	return 0;
}

Subtask #1
70.0 / 70.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 33 ms 11648 KB Output is correct
3 Correct 157 ms 38012 KB Output is correct
4 Correct 208 ms 48632 KB Output is correct
5 Correct 276 ms 60032 KB Output is correct
6 Correct 257 ms 60152 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 11 ms 4608 KB Output is correct
9 Correct 38 ms 13056 KB Output is correct
10 Correct 216 ms 48632 KB Output is correct
11 Correct 268 ms 60028 KB Output is correct
12 Correct 276 ms 60152 KB Output is correct
13 Correct 2 ms 896 KB Output is correct
14 Correct 11 ms 4608 KB Output is correct