oj.uz

Submission #827446

# Submission time Handle Problem Language Result Execution time Memory
827446 2023-08-16T13:22:47 Z rainboy Peru (RMI20_peru) C++17
100 / 100
 127 ms 75344 KB 
#include "peru.h"
#include <string.h>

#define N	2500000
#define INF	0x3f3f3f3f3f3f3f3fLL
#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 int qq[N + 1], pp[N + 1], qu[N + 1];
	static long long dp[N + 1], dq[N + 1];
	int cnt, i, j, l, r, ans;
	long long x;

	memset(dp, 0x3f, (n + 1) * sizeof *dp), dp[0] = 0;
	for (l = 0; l <= n; l += k) {
		r = min(l + k, n + 1);
		if (l >= k) {
			qq[l] = 0;
			for (i = l - 1; i >= l - k; i--)
				qq[i] = max(qq[i + 1], aa[i]);
			pp[l] = 0;
			for (i = l; i < r; i++)
				pp[i + 1] = max(pp[i], aa[i]);
			for (j = r - 1, i = j - k, x = INF; j >= l; j--) {
				if (j - k >= 0 && i > j - k) {
					if (qq[j - k] >= pp[j])
						x = min(x, dp[j - k] + qq[j - k]);
					else
						i = j - k;
				}
				while (i < l && qq[i] >= pp[j])
					x = min(x, dp[i] + qq[i]), i++;
				dp[j] = min(x, i == l ? INF : dp[i] + pp[j]);
			}
		}
		cnt = 0;
		for (i = l; i < r; i++) {
			if (cnt)
				dp[i] = min(dp[i], dq[cnt - 1]);
			if (i < r) {
				while (cnt && aa[qu[cnt - 1]] <= aa[i])
					cnt--;
				qu[cnt] = i, dq[cnt] = cnt == 0 ? dp[l] + aa[i] : min(dq[cnt - 1], dp[qu[cnt - 1] + 1] + aa[i]), cnt++;
			}
		}
	}
	ans = 0;
	for (i = 1; i <= n; i++)
		ans = ((long long) ans * X + dp[i] % MD) % MD;
	return ans;
}

Subtask #1
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 316 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 1 ms 404 KB Output is correct

Subtask #2
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 316 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 1 ms 404 KB Output is correct
15 Correct 17 ms 8592 KB Output is correct
16 Correct 16 ms 8584 KB Output is correct
17 Correct 16 ms 8660 KB Output is correct
18 Correct 20 ms 8608 KB Output is correct
19 Correct 20 ms 8528 KB Output is correct
20 Correct 21 ms 8584 KB Output is correct
21 Correct 17 ms 12260 KB Output is correct
22 Correct 17 ms 12316 KB Output is correct
23 Correct 16 ms 12296 KB Output is correct
24 Correct 16 ms 12276 KB Output is correct
25 Correct 21 ms 12328 KB Output is correct
26 Correct 17 ms 12284 KB Output is correct
27 Correct 17 ms 12380 KB Output is correct
28 Correct 22 ms 12364 KB Output is correct
29 Correct 26 ms 12340 KB Output is correct
30 Correct 26 ms 12272 KB Output is correct
31 Correct 17 ms 12252 KB Output is correct
32 Correct 18 ms 12268 KB Output is correct
33 Correct 18 ms 12244 KB Output is correct

Subtask #3
51.0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 17 ms 8592 KB Output is correct
2 Correct 16 ms 8584 KB Output is correct
3 Correct 16 ms 8660 KB Output is correct
4 Correct 20 ms 8608 KB Output is correct
5 Correct 20 ms 8528 KB Output is correct
6 Correct 21 ms 8584 KB Output is correct
7 Correct 17 ms 12260 KB Output is correct
8 Correct 17 ms 12316 KB Output is correct
9 Correct 16 ms 12296 KB Output is correct
10 Correct 16 ms 12276 KB Output is correct
11 Correct 21 ms 12328 KB Output is correct
12 Correct 17 ms 12284 KB Output is correct
13 Correct 17 ms 12380 KB Output is correct
14 Correct 22 ms 12364 KB Output is correct
15 Correct 26 ms 12340 KB Output is correct
16 Correct 26 ms 12272 KB Output is correct
17 Correct 17 ms 12252 KB Output is correct
18 Correct 18 ms 12268 KB Output is correct
19 Correct 18 ms 12244 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Correct 0 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 384 KB Output is correct
27 Correct 1 ms 316 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 0 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 0 ms 340 KB Output is correct
33 Correct 1 ms 404 KB Output is correct
34 Correct 112 ms 72808 KB Output is correct
35 Correct 117 ms 72848 KB Output is correct
36 Correct 123 ms 72896 KB Output is correct
37 Correct 126 ms 72836 KB Output is correct
38 Correct 114 ms 72940 KB Output is correct
39 Correct 101 ms 72964 KB Output is correct
40 Correct 103 ms 72820 KB Output is correct
41 Correct 108 ms 72836 KB Output is correct
42 Correct 103 ms 72924 KB Output is correct
43 Correct 45 ms 29456 KB Output is correct
44 Correct 78 ms 45092 KB Output is correct
45 Correct 83 ms 45132 KB Output is correct
46 Correct 73 ms 45120 KB Output is correct
47 Correct 113 ms 74904 KB Output is correct
48 Correct 122 ms 74892 KB Output is correct
49 Correct 127 ms 74904 KB Output is correct
50 Correct 112 ms 74940 KB Output is correct
51 Correct 104 ms 75040 KB Output is correct
52 Correct 108 ms 75344 KB Output is correct
53 Correct 101 ms 75212 KB Output is correct
54 Correct 101 ms 72876 KB Output is correct
55 Correct 106 ms 73012 KB Output is correct
56 Correct 104 ms 72992 KB Output is correct
57 Correct 104 ms 72920 KB Output is correct
58 Correct 103 ms 72908 KB Output is correct
59 Correct 104 ms 72868 KB Output is correct
60 Correct 104 ms 72892 KB Output is correct
61 Correct 109 ms 75148 KB Output is correct
62 Correct 103 ms 74964 KB Output is correct
63 Correct 105 ms 74848 KB Output is correct