제출 #827310

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
827310	2023-08-16 10:50:13	rainboy	Peru (RMI20_peru)	C++17	18 / 100	853 ms	9200 KiB

peru

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#include "peru.h"
#include <string.h>
#define N 2500000
#define MD  1000000007
#define X 23
long long min(long long a, long long b) { return a < b ? a : b; }
int max(int a, int b) { return a > b ? a : b; }
int solve(int n, int k, int *aa) {
  static long long dp[N + 1];
  int i, j, a, ans;
  memset(dp, 0x3f, (n + 1) * sizeof *dp), dp[0] = 0;
  for (i = 0; i < n; i++) {
    a = 0;
    for (j = i; j < n && j - i < k; j++) {
      a = max(a, aa[j]);
      dp[j + 1] = min(dp[j + 1], dp[i] + a);
    }
  }
  ans = 0;
  for (i = 0; i <= n; i++)
    ans = ((long long) ans * X + dp[i] % MD) % MD;
  return ans;
}
 
 
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• Subtask 2: 0 / 31
• Subtask 3: 0 / 51