제출 #704724

#제출 시각아이디문제언어결과실행 시간메모리
704724rainboy오렌지 출하 (JOI16_ho_t1)C11
100 / 100
49 ms712 KiB
#include <stdio.h>
#include <string.h>

#define N	20000
#define INF	0x3f3f3f3f3f3f3f3fLL

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

int main() {
	static int aa[N];
	static long long dp[N + 1];
	int n, m, c, i, j;
	long long mn, mx;

	scanf("%d%d%d", &n, &m, &c);
	for (i = 0; i < n; i++)
		scanf("%d", &aa[i]);
	memset(dp, 0x3f, (n + 1) * sizeof *dp), dp[0] = 0;
	for (i = 0; i < n; i++) {
		mn = INF, mx = 0; 
		for (j = i + 1; j <= n && j - i <= m; j++) {
			mn = min(mn, aa[j - 1]), mx = max(mx, aa[j - 1]);
			dp[j] = min(dp[j], dp[i] + (mx - mn) * (j - i) + c);
		}
	}
	printf("%lld\n", dp[n]);
	return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

2016_ho_t1.c: In function 'main':
2016_ho_t1.c:16:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   16 |  scanf("%d%d%d", &n, &m, &c);
      |  ^~~~~~~~~~~~~~~~~~~~~~~~~~~
2016_ho_t1.c:18:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   18 |   scanf("%d", &aa[i]);
      |   ^~~~~~~~~~~~~~~~~~~
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