Submission #636563

#	Time	Username	Problem	Language	Result	Execution time	Memory
636563		rainboy	Sightseeing in Kyoto (JOI22_kyoto)	C11	10 / 100	8 ms	8140 KiB

kyoto

#include <stdio.h>
#include <string.h>

#define N	1000
#define M	1000
#define INF	0x3f3f3f3f3f3f3f3f

long long min(long long a, long long b) { return a < b ? a : b; }

int main() {
	static int aa[N], bb[M];
	static long long dp[N][M];
	int n, m, i, j;

	scanf("%d%d", &n, &m);
	for (i = 0; i < n; i++)
		scanf("%d", &aa[i]);
	for (j = 0; j < m; j++)
		scanf("%d", &bb[j]);
	for (i = 0; i < n; i++)
		memset(dp[i], 0x3f, m * sizeof *dp[i]);
	dp[0][0] = 0;
	for (i = 0; i < n; i++)
		for (j = 0; j < m; j++) {
			long long x = dp[i][j];

			if (x == INF)
				continue;
			if (j + 1 < m)
				dp[i][j + 1] = min(dp[i][j + 1], x + aa[i]);
			if (i + 1 < n)
				dp[i + 1][j] = min(dp[i + 1][j], x + bb[j]);
		}
	printf("%lld\n", dp[n - 1][m - 1]);
	return 0;
}

Compilation message (stderr)

kyoto.c: In function 'main':
kyoto.c:15:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   15 |  scanf("%d%d", &n, &m);
      |  ^~~~~~~~~~~~~~~~~~~~~
kyoto.c:17:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   17 |   scanf("%d", &aa[i]);
      |   ^~~~~~~~~~~~~~~~~~~
kyoto.c:19:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   19 |   scanf("%d", &bb[j]);
      |   ^~~~~~~~~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 0 / 30
• Subtask 3: 0 / 60