oj.uz

Submission #788188

# Submission time Handle Problem Language Result Execution time Memory
788188 2023-07-19T22:20:51 Z rainboy Fruits (NOI22_fruits) C
100 / 100
 217 ms 31416 KB 
#include <stdio.h>
#include <string.h>

#define N	400000
#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 n, k;
int ww[N]; long long ss[N + 1];
int xx[N], yy[N], dd[N], pp[N], qq[N], hh[N], tt[N], ii[N]; long long dp[N];

int cross(int i, int j) {
	int lower = -1, upper = k - yy[j] + 1;

	while (upper - lower > 1) {
		int d = (lower + upper) / 2;

		if (dp[i] - ss[yy[i] + d] > dp[j] - ss[yy[j] + d])
			upper = d;
		else
			lower = d;
	}
	return lower;
}

void merge(int i, int j) {
	int u, v, d;

	u = tt[i], v = hh[j];
	while (1) {
		d = cross(u, v);
		if (u != hh[i] && cross(pp[u], u) <= d)
			u = pp[u];
		else if (v != tt[j] && cross(v, qq[v]) >= d)
			v = qq[v];
		else {
			qq[u] = v, pp[v] = u;
			break;
		}
	}
	hh[j] = hh[i];
}

long long query(int i, int d) {
	while (hh[i] != tt[i] && cross(hh[i], qq[hh[i]]) >= d)
		hh[i] = qq[hh[i]];
	return dp[hh[i]] - ss[yy[hh[i]] + d];
}

void dc(int il, int ir, int jl, int jr) {
	int i, i_, j, d;
	long long z, z_;

	if (jl > jr)
		return;
	j = (jl + jr) / 2;
	d = k - yy[j];
	z_ = -INF;
	for (i_ = i = max(il, ii[j] + 1); i <= ir && i <= j; i++)
		if (dp[i] != -INF) {
			z = dp[i] - ss[yy[i] + d];
			if (z_ < z)
				z_ = z, i_ = i;
		}
	if (i_ == il - 1)
		i_ = il;
	if (ii[j] >= 0)
		z_ = max(z_, dp[ii[j]] - ss[xx[ii[j]]]);
	else
		z_ = max(z_, -ss[d]);
	z_ += ss[k];
	dc(il, i_, jl, j - 1), printf("%lld ", z_), dc(i_, ir, j + 1, jr);
}

int main() {
	static int aa[N], qu[N];
	int cnt, h, i, i_, j, a, y;

	scanf("%d", &n);
	memset(ii, -1, n * sizeof *ii);
	for (i = 0; i < n; i++) {
		scanf("%d", &aa[i]), aa[i]--;
		if (aa[i] >= 0)
			ii[aa[i]] = i;
	}
	for (a = 0; a < n; a++)
		scanf("%d", &ww[a]);
	k = 0;
	for (a = 0; a < n; a++)
		if ((i = ii[a]) != -1)
			xx[i] = k;
		else
			ss[k + 1] = ss[k] + ww[a], k++;
	for (i = 0; i < n; i++)
		pp[i] = qq[i] = -1, hh[i] = tt[i] = i;
	y = 0, a = -1, cnt = 0, h = 0;
	for (j = 0; j < n; j++) {
		if (aa[j] < 0)
			y++;
		yy[j] = y, dd[j] = xx[j] - yy[j];
		a = max(a, aa[j]);
		if (aa[j] == a && dd[j] >= 0) {
			i_ = -1;
			while (cnt && dd[i = qu[cnt - 1]] < dd[j]) {
				if (i_ == -1)
					i_ = i;
				else
					merge(i, i_);
				cnt--;
			}
			dp[j] = cnt ? dp[i] - ss[xx[i]] : -ss[dd[j]];
			if (i_ != -1)
				dp[j] = max(dp[j], query(i_, dd[j]));
			dp[j] += ss[xx[j]] + ww[aa[j]];
			if (i_ != -1)
				merge(i_, j);
			qu[cnt++] = j;
		} else
			dp[j] = -INF;
		h = min(h, cnt);
		while (h < cnt && dd[qu[h]] >= k - y)
			h++;
		ii[j] = h == 0 ? -1 : qu[h - 1];
	}
	dc(0, n - 1, 0, n - 1), printf("\n");
	return 0;
}

Compilation message

Main.c: In function 'main':
Main.c:81:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   81 |  scanf("%d", &n);
      |  ^~~~~~~~~~~~~~~
Main.c:84:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   84 |   scanf("%d", &aa[i]), aa[i]--;
      |   ^~~~~~~~~~~~~~~~~~~
Main.c:89:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   89 |   scanf("%d", &ww[a]);
      |   ^~~~~~~~~~~~~~~~~~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 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 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 0 ms 292 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 9 ms 1540 KB Output is correct
4 Correct 58 ms 13180 KB Output is correct
5 Correct 107 ms 25980 KB Output is correct
6 Correct 0 ms 340 KB Output is correct

Subtask #3
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 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 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 0 ms 292 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 0 ms 292 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 0 ms 340 KB Output is correct
23 Correct 1 ms 284 KB Output is correct
24 Correct 1 ms 288 KB Output is correct
25 Correct 0 ms 340 KB Output is correct
26 Correct 0 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct

Subtask #4
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 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 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 0 ms 292 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 0 ms 292 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 0 ms 340 KB Output is correct
23 Correct 1 ms 284 KB Output is correct
24 Correct 1 ms 288 KB Output is correct
25 Correct 0 ms 340 KB Output is correct
26 Correct 0 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 436 KB Output is correct
29 Correct 1 ms 428 KB Output is correct
30 Correct 1 ms 468 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 468 KB Output is correct
34 Correct 1 ms 468 KB Output is correct
35 Correct 1 ms 468 KB Output is correct
36 Correct 0 ms 340 KB Output is correct
37 Correct 1 ms 340 KB Output is correct
38 Correct 1 ms 468 KB Output is correct
39 Correct 1 ms 468 KB Output is correct
40 Correct 1 ms 468 KB Output is correct
41 Correct 1 ms 468 KB Output is correct
42 Correct 1 ms 596 KB Output is correct
43 Correct 1 ms 468 KB Output is correct
44 Correct 1 ms 432 KB Output is correct
45 Correct 1 ms 468 KB Output is correct
46 Correct 1 ms 468 KB Output is correct
47 Correct 0 ms 340 KB Output is correct
48 Correct 1 ms 340 KB Output is correct

Subtask #5
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 112 ms 23368 KB Output is correct
2 Correct 94 ms 25220 KB Output is correct
3 Correct 105 ms 24364 KB Output is correct
4 Correct 118 ms 25176 KB Output is correct
5 Correct 42 ms 6572 KB Output is correct
6 Correct 67 ms 13036 KB Output is correct
7 Correct 125 ms 19160 KB Output is correct
8 Correct 73 ms 16320 KB Output is correct
9 Correct 93 ms 25276 KB Output is correct
10 Correct 22 ms 4820 KB Output is correct
11 Correct 20 ms 5560 KB Output is correct
12 Correct 103 ms 25428 KB Output is correct
13 Correct 102 ms 25964 KB Output is correct
14 Correct 90 ms 26276 KB Output is correct
15 Correct 101 ms 26368 KB Output is correct
16 Correct 1 ms 340 KB Output is correct

Subtask #6
42.0 / 42.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 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 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 0 ms 292 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 468 KB Output is correct
13 Correct 9 ms 1540 KB Output is correct
14 Correct 58 ms 13180 KB Output is correct
15 Correct 107 ms 25980 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 0 ms 292 KB Output is correct
19 Correct 0 ms 340 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 0 ms 340 KB Output is correct
25 Correct 0 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 0 ms 340 KB Output is correct
29 Correct 1 ms 284 KB Output is correct
30 Correct 1 ms 288 KB Output is correct
31 Correct 0 ms 340 KB Output is correct
32 Correct 0 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 436 KB Output is correct
35 Correct 1 ms 428 KB Output is correct
36 Correct 1 ms 468 KB Output is correct
37 Correct 1 ms 340 KB Output is correct
38 Correct 1 ms 340 KB Output is correct
39 Correct 1 ms 468 KB Output is correct
40 Correct 1 ms 468 KB Output is correct
41 Correct 1 ms 468 KB Output is correct
42 Correct 0 ms 340 KB Output is correct
43 Correct 1 ms 340 KB Output is correct
44 Correct 1 ms 468 KB Output is correct
45 Correct 1 ms 468 KB Output is correct
46 Correct 1 ms 468 KB Output is correct
47 Correct 1 ms 468 KB Output is correct
48 Correct 1 ms 596 KB Output is correct
49 Correct 1 ms 468 KB Output is correct
50 Correct 1 ms 432 KB Output is correct
51 Correct 1 ms 468 KB Output is correct
52 Correct 1 ms 468 KB Output is correct
53 Correct 0 ms 340 KB Output is correct
54 Correct 1 ms 340 KB Output is correct
55 Correct 112 ms 23368 KB Output is correct
56 Correct 94 ms 25220 KB Output is correct
57 Correct 105 ms 24364 KB Output is correct
58 Correct 118 ms 25176 KB Output is correct
59 Correct 42 ms 6572 KB Output is correct
60 Correct 67 ms 13036 KB Output is correct
61 Correct 125 ms 19160 KB Output is correct
62 Correct 73 ms 16320 KB Output is correct
63 Correct 93 ms 25276 KB Output is correct
64 Correct 22 ms 4820 KB Output is correct
65 Correct 20 ms 5560 KB Output is correct
66 Correct 103 ms 25428 KB Output is correct
67 Correct 102 ms 25964 KB Output is correct
68 Correct 90 ms 26276 KB Output is correct
69 Correct 101 ms 26368 KB Output is correct
70 Correct 1 ms 340 KB Output is correct
71 Correct 0 ms 340 KB Output is correct
72 Correct 0 ms 340 KB Output is correct
73 Correct 0 ms 292 KB Output is correct
74 Correct 0 ms 340 KB Output is correct
75 Correct 111 ms 30668 KB Output is correct
76 Correct 102 ms 31416 KB Output is correct
77 Correct 100 ms 25340 KB Output is correct
78 Correct 160 ms 31016 KB Output is correct
79 Correct 117 ms 25164 KB Output is correct
80 Correct 39 ms 7136 KB Output is correct
81 Correct 23 ms 6112 KB Output is correct
82 Correct 19 ms 5460 KB Output is correct
83 Correct 15 ms 4988 KB Output is correct
84 Correct 19 ms 3868 KB Output is correct
85 Correct 1 ms 340 KB Output is correct
86 Correct 0 ms 340 KB Output is correct
87 Correct 0 ms 340 KB Output is correct
88 Correct 13 ms 3288 KB Output is correct
89 Correct 105 ms 30524 KB Output is correct
90 Correct 120 ms 24360 KB Output is correct
91 Correct 90 ms 25276 KB Output is correct
92 Correct 99 ms 30408 KB Output is correct
93 Correct 169 ms 30740 KB Output is correct
94 Correct 208 ms 30312 KB Output is correct
95 Correct 217 ms 29588 KB Output is correct
96 Correct 26 ms 7648 KB Output is correct
97 Correct 27 ms 7664 KB Output is correct
98 Correct 24 ms 6348 KB Output is correct
99 Correct 43 ms 7744 KB Output is correct
100 Correct 44 ms 6476 KB Output is correct
101 Correct 25 ms 7628 KB Output is correct
102 Correct 27 ms 6380 KB Output is correct
103 Correct 23 ms 6500 KB Output is correct
104 Correct 18 ms 4944 KB Output is correct
105 Correct 22 ms 6576 KB Output is correct
106 Correct 29 ms 7956 KB Output is correct
107 Correct 52 ms 7440 KB Output is correct
108 Correct 1 ms 340 KB Output is correct
109 Correct 0 ms 340 KB Output is correct