oj.uz

Submission #632708

# Submission time Handle Problem Language Result Execution time Memory
632708 2022-08-20T16:36:00 Z rainboy Catfish Farm (IOI22_fish) C++17
100 / 100
 181 ms 26580 KB 
#include "fish.h"
#include <vector>

using namespace std;
typedef vector<int> vi;

const int M = 300002;
const long long INF = 0x3f3f3f3f3f3f3f3fLL;

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

unsigned int X = 12345;

int rand_() {
	return (X *= 3) >> 1;
}

int ii[M], ii1[M], jj[M], jj1[M], ww[M], ww1[M];

void sort(int *hh, int l, int r) {
	while (l < r) {
		int i = l, j = l, k = r, h = hh[l + rand_() % (r - l)], tmp;
		while (j < k) {
			int c = ii1[hh[j]] != ii1[h] ? ii1[hh[j]] - ii1[h] : jj1[hh[j]] - jj1[h];
			if (c == 0)
				j++;
			else if (c < 0) {
				tmp = hh[i], hh[i] = hh[j], hh[j] = tmp;
				i++, j++;
			} else {
				k--;
				tmp = hh[j], hh[j] = hh[k], hh[k] = tmp;
			}
		}
		sort(hh, l, i);
		l = k;
	}
}

long long dp[M], dq[M];

long long max_weights(int n, int m, vi ii_, vi jj_, vi ww_) {
	static int hh[M];
	for (int h = 0; h < m; h++)
		ii1[h] = ii_[h], jj1[h] = jj_[h], ww1[h] = ww_[h];
	ii1[m] = -1, jj1[m] = -1, ww1[m] = 0, m++;
	ii1[m] = n, jj1[m] = -1, ww1[m] = 0, m++;
	for (int h = 0; h < m; h++)
		hh[h] = h;
	sort(hh, 0, m);
	for (int h = 0; h < m; h++)
		ii[h] = ii1[hh[h]], jj[h] = jj1[hh[h]], ww[h] = ww1[hh[h]];
	dp[0] = -INF, dq[0] = 0;
	long long x = -INF, y;
	for (int i = 0, l = 0, h = 1, r; i <= n; i++, l = h, h = r) {
		r = h;
		while (r < m && ii[r] == i)
			r++;
		y = x;
		for (int f = h - 1, g = r - 1; g >= h; g--) {
			while (f >= l && jj[f] > jj[g])
				y = max(y, dp[f--]);
			dp[g] = y;
			if (dp[g] != -INF)
				dp[g] += ww[g];
			y = max(y, dp[g]);
		}
		for (int g = l; g < h; g++)
			x = max(x, dp[g]);
		y = x;
		for (int f = l, g = h; g < r; g++) {
			while (f < h && jj[f] < jj[g])
				y = max(y, dq[f++]);
			dq[g] = y;
			if (dq[g] != -INF)
				dq[g] += ww[g];
			y = max(y, dq[g]);
		}
		for (int g = l; g < h; g++)
			x = max(x, dq[g]);
	}
	return dp[m - 1];
}

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 35 ms 5580 KB Output is correct
2 Correct 44 ms 6920 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 146 ms 20236 KB Output is correct
6 Correct 152 ms 26580 KB Output is correct

Subtask #2
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 77 ms 11084 KB Output is correct
3 Correct 100 ms 16904 KB Output is correct
4 Correct 37 ms 6776 KB Output is correct
5 Correct 46 ms 8424 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 38 ms 6844 KB Output is correct
13 Correct 46 ms 8396 KB Output is correct
14 Correct 39 ms 6832 KB Output is correct
15 Correct 47 ms 7580 KB Output is correct
16 Correct 38 ms 6860 KB Output is correct
17 Correct 42 ms 7584 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 21 ms 3856 KB Output is correct
4 Correct 16 ms 2660 KB Output is correct
5 Correct 42 ms 6972 KB Output is correct
6 Correct 37 ms 6928 KB Output is correct
7 Correct 41 ms 6852 KB Output is correct
8 Correct 43 ms 6920 KB Output is correct

Subtask #4
14.0 / 14.0

# 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 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 1 ms 468 KB Output is correct
11 Correct 1 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 340 KB Output is correct

Subtask #5
21.0 / 21.0

# 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 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 1 ms 468 KB Output is correct
11 Correct 1 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 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 2 ms 468 KB Output is correct
17 Correct 21 ms 3272 KB Output is correct
18 Correct 24 ms 3236 KB Output is correct
19 Correct 19 ms 3272 KB Output is correct
20 Correct 21 ms 3236 KB Output is correct
21 Correct 19 ms 3264 KB Output is correct
22 Correct 39 ms 6228 KB Output is correct
23 Correct 4 ms 852 KB Output is correct
24 Correct 13 ms 2260 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 4 ms 852 KB Output is correct

Subtask #6
17.0 / 17.0

# 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 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 1 ms 468 KB Output is correct
11 Correct 1 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 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 2 ms 468 KB Output is correct
17 Correct 21 ms 3272 KB Output is correct
18 Correct 24 ms 3236 KB Output is correct
19 Correct 19 ms 3272 KB Output is correct
20 Correct 21 ms 3236 KB Output is correct
21 Correct 19 ms 3264 KB Output is correct
22 Correct 39 ms 6228 KB Output is correct
23 Correct 4 ms 852 KB Output is correct
24 Correct 13 ms 2260 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 4 ms 852 KB Output is correct
27 Correct 2 ms 468 KB Output is correct
28 Correct 101 ms 14640 KB Output is correct
29 Correct 145 ms 24228 KB Output is correct
30 Correct 153 ms 24128 KB Output is correct
31 Correct 152 ms 25688 KB Output is correct
32 Correct 143 ms 25076 KB Output is correct
33 Correct 152 ms 25696 KB Output is correct
34 Correct 148 ms 25060 KB Output is correct
35 Correct 54 ms 9388 KB Output is correct
36 Correct 157 ms 23612 KB Output is correct

Subtask #7
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 21 ms 3856 KB Output is correct
4 Correct 16 ms 2660 KB Output is correct
5 Correct 42 ms 6972 KB Output is correct
6 Correct 37 ms 6928 KB Output is correct
7 Correct 41 ms 6852 KB Output is correct
8 Correct 43 ms 6920 KB Output is correct
9 Correct 38 ms 6928 KB Output is correct
10 Correct 43 ms 6924 KB Output is correct
11 Correct 89 ms 13548 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 0 ms 300 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 0 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 304 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 48 ms 8372 KB Output is correct
23 Correct 93 ms 14648 KB Output is correct
24 Correct 93 ms 15440 KB Output is correct

Subtask #8
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 35 ms 5580 KB Output is correct
2 Correct 44 ms 6920 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 146 ms 20236 KB Output is correct
6 Correct 152 ms 26580 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 77 ms 11084 KB Output is correct
9 Correct 100 ms 16904 KB Output is correct
10 Correct 37 ms 6776 KB Output is correct
11 Correct 46 ms 8424 KB Output is correct
12 Correct 0 ms 344 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 38 ms 6844 KB Output is correct
19 Correct 46 ms 8396 KB Output is correct
20 Correct 39 ms 6832 KB Output is correct
21 Correct 47 ms 7580 KB Output is correct
22 Correct 38 ms 6860 KB Output is correct
23 Correct 42 ms 7584 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 0 ms 340 KB Output is correct
26 Correct 21 ms 3856 KB Output is correct
27 Correct 16 ms 2660 KB Output is correct
28 Correct 42 ms 6972 KB Output is correct
29 Correct 37 ms 6928 KB Output is correct
30 Correct 41 ms 6852 KB Output is correct
31 Correct 43 ms 6920 KB Output is correct
32 Correct 0 ms 340 KB Output is correct
33 Correct 0 ms 340 KB Output is correct
34 Correct 0 ms 340 KB Output is correct
35 Correct 0 ms 340 KB Output is correct
36 Correct 0 ms 340 KB Output is correct
37 Correct 0 ms 340 KB Output is correct
38 Correct 0 ms 340 KB Output is correct
39 Correct 0 ms 340 KB Output is correct
40 Correct 0 ms 340 KB Output is correct
41 Correct 1 ms 468 KB Output is correct
42 Correct 1 ms 340 KB Output is correct
43 Correct 1 ms 340 KB Output is correct
44 Correct 0 ms 340 KB Output is correct
45 Correct 1 ms 340 KB Output is correct
46 Correct 0 ms 340 KB Output is correct
47 Correct 2 ms 468 KB Output is correct
48 Correct 21 ms 3272 KB Output is correct
49 Correct 24 ms 3236 KB Output is correct
50 Correct 19 ms 3272 KB Output is correct
51 Correct 21 ms 3236 KB Output is correct
52 Correct 19 ms 3264 KB Output is correct
53 Correct 39 ms 6228 KB Output is correct
54 Correct 4 ms 852 KB Output is correct
55 Correct 13 ms 2260 KB Output is correct
56 Correct 1 ms 340 KB Output is correct
57 Correct 4 ms 852 KB Output is correct
58 Correct 2 ms 468 KB Output is correct
59 Correct 101 ms 14640 KB Output is correct
60 Correct 145 ms 24228 KB Output is correct
61 Correct 153 ms 24128 KB Output is correct
62 Correct 152 ms 25688 KB Output is correct
63 Correct 143 ms 25076 KB Output is correct
64 Correct 152 ms 25696 KB Output is correct
65 Correct 148 ms 25060 KB Output is correct
66 Correct 54 ms 9388 KB Output is correct
67 Correct 157 ms 23612 KB Output is correct
68 Correct 38 ms 6928 KB Output is correct
69 Correct 43 ms 6924 KB Output is correct
70 Correct 89 ms 13548 KB Output is correct
71 Correct 0 ms 340 KB Output is correct
72 Correct 0 ms 300 KB Output is correct
73 Correct 0 ms 340 KB Output is correct
74 Correct 1 ms 340 KB Output is correct
75 Correct 0 ms 340 KB Output is correct
76 Correct 0 ms 340 KB Output is correct
77 Correct 1 ms 340 KB Output is correct
78 Correct 1 ms 348 KB Output is correct
79 Correct 1 ms 304 KB Output is correct
80 Correct 1 ms 340 KB Output is correct
81 Correct 48 ms 8372 KB Output is correct
82 Correct 93 ms 14648 KB Output is correct
83 Correct 93 ms 15440 KB Output is correct
84 Correct 166 ms 22896 KB Output is correct
85 Correct 148 ms 22764 KB Output is correct
86 Correct 153 ms 21240 KB Output is correct
87 Correct 181 ms 20716 KB Output is correct
88 Correct 0 ms 340 KB Output is correct
89 Correct 151 ms 21356 KB Output is correct
90 Correct 151 ms 20524 KB Output is correct
91 Correct 138 ms 20572 KB Output is correct