oj.uz

Submission #481417

# Submission time Handle Problem Language Result Execution time Memory
481417 2021-10-20T18:13:08 Z rainboy Političari (COCI20_politicari) C
70 / 70
 25 ms 2216 KB 
#include <stdio.h>

#define N	500

int main() {
	static int kk[N][N], tt[N][N];
	int n, i, j, k, t;
	long long t_;

	scanf("%d%lld", &n, &t_);
	if (t_ <= 2) {
		printf("%lld\n", t_);
		return 0;
	}
	for (i = 0; i < n; i++)
		for (j = 0; j < n; j++)
			scanf("%d", &kk[i][j]), kk[i][j]--;
	for (i = 0; i < n; i++)
		for (j = 0; j < n; j++)
			tt[i][j] = -1;
	i = 0, j = 1, t = 1;
	while (t < t_ && tt[i][j] == -1) {
		tt[i][j] = t;
		k = kk[j][i], i = j, j = k, t++;
	}
	if (t != t_) {
		t_ = (t_ - t) % (t - tt[i][j]), t = 0;
		while (t < t_)
			k = kk[j][i], i = j, j = k, t++;
	}
	printf("%d\n", i + 1);
	return 0;
}

Compilation message

politicari.c: In function 'main':
politicari.c:10:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   10 |  scanf("%d%lld", &n, &t_);
      |  ^~~~~~~~~~~~~~~~~~~~~~~~
politicari.c:17:4: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   17 |    scanf("%d", &kk[i][j]), kk[i][j]--;
      |    ^~~~~~~~~~~~~~~~~~~~~~

Subtask #1
70.0 / 70.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 5 ms 1100 KB Output is correct
3 Correct 15 ms 1756 KB Output is correct
4 Correct 23 ms 1932 KB Output is correct
5 Correct 22 ms 2200 KB Output is correct
6 Correct 22 ms 2204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 2 ms 704 KB Output is correct
9 Correct 6 ms 1100 KB Output is correct
10 Correct 19 ms 1996 KB Output is correct
11 Correct 25 ms 2116 KB Output is correct
12 Correct 24 ms 2216 KB Output is correct
13 Correct 1 ms 460 KB Output is correct
14 Correct 2 ms 716 KB Output is correct