oj.uz

Submission #488522

# Submission time Handle Problem Language Result Execution time Memory
488522 2021-11-19T12:56:03 Z rainboy Kamenčići (COCI21_kamencici) C
0 / 70
 0 ms 588 KB 
#include <stdio.h>

#define N	350

int main() {
	static char cc[N + 1];
	static int pp[N], dp[N][N + 1][N];
	int n, k_, i, j, k;

	scanf("%d%d%s", &n, &k_, cc);
	for (i = 0; i < n; i++)
		pp[i] = cc[i] == 'R' ? 1 : 0;
	for (i = 1; i < n; i++)
		pp[i] += pp[i - 1];
	for (i = n - 1; i >= 0; i--)
		for (j = i; j <= n; j++) {
			int c = (i == 0 ? 0 : pp[i - 1]) + pp[n - 1] - (j == 0 ? 0 : pp[j - 1]);

			for (k = 0; k < k_; k++)
				dp[i][j][k] = c - k >= k_ ? 1 : !(dp[i + 1][j][c - k] && dp[i][j - 1][c - k]);
		}
	printf(dp[0][n][0] ? "DA\n" : "NE\n");
	return 0;
}

Compilation message

Main.c: In function 'main':
Main.c:10:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   10 |  scanf("%d%d%s", &n, &k_, cc);
      |  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 588 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 588 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 40.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 588 KB Output isn't correct
2 Halted 0 ms 0 KB -