oj.uz

Submission #596891

# Submission time Handle Problem Language Result Execution time Memory
596891 2022-07-15T08:48:29 Z 장태환(#8448) Fish 2 (JOI22_fish2) C++17
25 / 100
 4000 ms 4652 KB 
#include <bits/stdc++.h>
using namespace std;
#define int long long
int par[100100];
int lc[100100];
int rc[100100];
int sum[100100];
int arr[100100];
int N;
int dfs(int n)
{
	if (n == -1)
		return 0;
	sum[n] = arr[n];
	sum[n] += dfs(lc[n]);
	sum[n] += dfs(rc[n]);
	return sum[n];
}
int build(int s,int e)
{
	memset(par, -1, sizeof(par));
	memset(lc, -1, sizeof(lc));
	memset(rc, -1, sizeof(rc));
	memset(sum,0, sizeof(sum));
	int i;
	int rt = s;
	for (i = s+1; i <=e; i++)
	{
		int c = i - 1;
		while (c!=-1&&arr[c] <= arr[i])
		{
			c = par[c];
		}
		if (c != -1)
		{
			par[rc[c]] = i;
			lc[i] = rc[c];
			par[i] = c;
			rc[c] = i;
		}
		else
		{
			par[rt] = i;
			lc[i] = rt;
			rt = i;
		}
	}
	dfs(rt);
	return rt;
}

int calcu(int n)
{
	if (n == -1)
		return 0;
	int ans = 1;
	if (lc[n] != -1 && sum[lc[n]] >= arr[n])
	{
		ans += calcu(lc[n]);
	}
	if (rc[n] != -1 && sum[rc[n]] >= arr[n])
	{
		ans += calcu(rc[n]);
	}
	return ans;
}
signed main()
{
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	cin >> N;
	int i;
	for (i = 0; i < N; i++)
	{
		cin >> arr[i];
	}
	int Q;
	cin >> Q;
	while (Q--)
	{
		int a, b, c;
		cin >> a >> b >> c;
		if (a == 1)
		{
			arr[b - 1] = c;
		}
		else
		{
			
			cout << calcu(build(b - 1, c - 1))<<'\n';
		}
	}
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 3412 KB Output is correct
2 Correct 2 ms 3412 KB Output is correct
3 Correct 2 ms 3412 KB Output is correct
4 Correct 2 ms 3412 KB Output is correct
5 Correct 9 ms 3472 KB Output is correct
6 Correct 43 ms 3412 KB Output is correct
7 Correct 10 ms 3460 KB Output is correct
8 Correct 28 ms 3412 KB Output is correct
9 Correct 32 ms 3468 KB Output is correct
10 Correct 13 ms 3468 KB Output is correct
11 Correct 34 ms 3412 KB Output is correct
12 Correct 12 ms 3464 KB Output is correct
13 Correct 32 ms 3464 KB Output is correct
14 Correct 10 ms 3412 KB Output is correct
15 Correct 20 ms 3468 KB Output is correct
16 Correct 45 ms 3412 KB Output is correct
17 Correct 22 ms 3412 KB Output is correct
18 Correct 53 ms 3412 KB Output is correct
19 Correct 17 ms 3412 KB Output is correct
20 Correct 33 ms 3412 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 3412 KB Output is correct
2 Correct 10 ms 4180 KB Output is correct
3 Correct 11 ms 4236 KB Output is correct
4 Correct 11 ms 4180 KB Output is correct
5 Correct 10 ms 4180 KB Output is correct
6 Correct 20 ms 4164 KB Output is correct
7 Correct 15 ms 4180 KB Output is correct
8 Correct 15 ms 4220 KB Output is correct
9 Correct 11 ms 4228 KB Output is correct
10 Correct 11 ms 4216 KB Output is correct
11 Correct 8 ms 4180 KB Output is correct
12 Correct 9 ms 4204 KB Output is correct
13 Correct 9 ms 4248 KB Output is correct
14 Correct 11 ms 4436 KB Output is correct
15 Correct 16 ms 4500 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 3412 KB Output is correct
2 Correct 2 ms 3412 KB Output is correct
3 Correct 2 ms 3412 KB Output is correct
4 Correct 2 ms 3412 KB Output is correct
5 Correct 9 ms 3472 KB Output is correct
6 Correct 43 ms 3412 KB Output is correct
7 Correct 10 ms 3460 KB Output is correct
8 Correct 28 ms 3412 KB Output is correct
9 Correct 32 ms 3468 KB Output is correct
10 Correct 13 ms 3468 KB Output is correct
11 Correct 34 ms 3412 KB Output is correct
12 Correct 12 ms 3464 KB Output is correct
13 Correct 32 ms 3464 KB Output is correct
14 Correct 10 ms 3412 KB Output is correct
15 Correct 20 ms 3468 KB Output is correct
16 Correct 45 ms 3412 KB Output is correct
17 Correct 22 ms 3412 KB Output is correct
18 Correct 53 ms 3412 KB Output is correct
19 Correct 17 ms 3412 KB Output is correct
20 Correct 33 ms 3412 KB Output is correct
21 Correct 1 ms 3412 KB Output is correct
22 Correct 10 ms 4180 KB Output is correct
23 Correct 11 ms 4236 KB Output is correct
24 Correct 11 ms 4180 KB Output is correct
25 Correct 10 ms 4180 KB Output is correct
26 Correct 20 ms 4164 KB Output is correct
27 Correct 15 ms 4180 KB Output is correct
28 Correct 15 ms 4220 KB Output is correct
29 Correct 11 ms 4228 KB Output is correct
30 Correct 11 ms 4216 KB Output is correct
31 Correct 8 ms 4180 KB Output is correct
32 Correct 9 ms 4204 KB Output is correct
33 Correct 9 ms 4248 KB Output is correct
34 Correct 11 ms 4436 KB Output is correct
35 Correct 16 ms 4500 KB Output is correct
36 Correct 227 ms 4372 KB Output is correct
37 Correct 407 ms 4216 KB Output is correct
38 Correct 431 ms 4180 KB Output is correct
39 Correct 119 ms 4308 KB Output is correct
40 Correct 475 ms 4224 KB Output is correct
41 Correct 779 ms 4228 KB Output is correct
42 Correct 962 ms 4224 KB Output is correct
43 Correct 567 ms 4220 KB Output is correct
44 Correct 671 ms 4220 KB Output is correct
45 Correct 325 ms 4248 KB Output is correct
46 Correct 424 ms 4352 KB Output is correct
47 Correct 521 ms 4220 KB Output is correct
48 Correct 231 ms 4244 KB Output is correct
49 Correct 739 ms 4388 KB Output is correct
50 Correct 425 ms 4508 KB Output is correct
51 Correct 1654 ms 4652 KB Output is correct
52 Correct 1787 ms 4520 KB Output is correct

Subtask #4
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 3412 KB Output is correct
2 Correct 10 ms 4180 KB Output is correct
3 Correct 11 ms 4236 KB Output is correct
4 Correct 11 ms 4180 KB Output is correct
5 Correct 10 ms 4180 KB Output is correct
6 Correct 20 ms 4164 KB Output is correct
7 Correct 15 ms 4180 KB Output is correct
8 Correct 15 ms 4220 KB Output is correct
9 Correct 11 ms 4228 KB Output is correct
10 Correct 11 ms 4216 KB Output is correct
11 Correct 8 ms 4180 KB Output is correct
12 Correct 9 ms 4204 KB Output is correct
13 Correct 9 ms 4248 KB Output is correct
14 Correct 11 ms 4436 KB Output is correct
15 Correct 16 ms 4500 KB Output is correct
16 Correct 3 ms 3412 KB Output is correct
17 Execution timed out 4094 ms 4220 KB Time limit exceeded
18 Halted 0 ms 0 KB -

Subtask #5
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 3412 KB Output is correct
2 Correct 10 ms 4180 KB Output is correct
3 Correct 11 ms 4236 KB Output is correct
4 Correct 11 ms 4180 KB Output is correct
5 Correct 10 ms 4180 KB Output is correct
6 Correct 20 ms 4164 KB Output is correct
7 Correct 15 ms 4180 KB Output is correct
8 Correct 15 ms 4220 KB Output is correct
9 Correct 11 ms 4228 KB Output is correct
10 Correct 11 ms 4216 KB Output is correct
11 Correct 8 ms 4180 KB Output is correct
12 Correct 9 ms 4204 KB Output is correct
13 Correct 9 ms 4248 KB Output is correct
14 Correct 11 ms 4436 KB Output is correct
15 Correct 16 ms 4500 KB Output is correct
16 Correct 2 ms 3412 KB Output is correct
17 Execution timed out 4096 ms 4348 KB Time limit exceeded
18 Halted 0 ms 0 KB -

Subtask #6
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 3412 KB Output is correct
2 Correct 2 ms 3412 KB Output is correct
3 Correct 2 ms 3412 KB Output is correct
4 Correct 2 ms 3412 KB Output is correct
5 Correct 9 ms 3472 KB Output is correct
6 Correct 43 ms 3412 KB Output is correct
7 Correct 10 ms 3460 KB Output is correct
8 Correct 28 ms 3412 KB Output is correct
9 Correct 32 ms 3468 KB Output is correct
10 Correct 13 ms 3468 KB Output is correct
11 Correct 34 ms 3412 KB Output is correct
12 Correct 12 ms 3464 KB Output is correct
13 Correct 32 ms 3464 KB Output is correct
14 Correct 10 ms 3412 KB Output is correct
15 Correct 20 ms 3468 KB Output is correct
16 Correct 45 ms 3412 KB Output is correct
17 Correct 22 ms 3412 KB Output is correct
18 Correct 53 ms 3412 KB Output is correct
19 Correct 17 ms 3412 KB Output is correct
20 Correct 33 ms 3412 KB Output is correct
21 Correct 1 ms 3412 KB Output is correct
22 Correct 10 ms 4180 KB Output is correct
23 Correct 11 ms 4236 KB Output is correct
24 Correct 11 ms 4180 KB Output is correct
25 Correct 10 ms 4180 KB Output is correct
26 Correct 20 ms 4164 KB Output is correct
27 Correct 15 ms 4180 KB Output is correct
28 Correct 15 ms 4220 KB Output is correct
29 Correct 11 ms 4228 KB Output is correct
30 Correct 11 ms 4216 KB Output is correct
31 Correct 8 ms 4180 KB Output is correct
32 Correct 9 ms 4204 KB Output is correct
33 Correct 9 ms 4248 KB Output is correct
34 Correct 11 ms 4436 KB Output is correct
35 Correct 16 ms 4500 KB Output is correct
36 Correct 227 ms 4372 KB Output is correct
37 Correct 407 ms 4216 KB Output is correct
38 Correct 431 ms 4180 KB Output is correct
39 Correct 119 ms 4308 KB Output is correct
40 Correct 475 ms 4224 KB Output is correct
41 Correct 779 ms 4228 KB Output is correct
42 Correct 962 ms 4224 KB Output is correct
43 Correct 567 ms 4220 KB Output is correct
44 Correct 671 ms 4220 KB Output is correct
45 Correct 325 ms 4248 KB Output is correct
46 Correct 424 ms 4352 KB Output is correct
47 Correct 521 ms 4220 KB Output is correct
48 Correct 231 ms 4244 KB Output is correct
49 Correct 739 ms 4388 KB Output is correct
50 Correct 425 ms 4508 KB Output is correct
51 Correct 1654 ms 4652 KB Output is correct
52 Correct 1787 ms 4520 KB Output is correct
53 Correct 3 ms 3412 KB Output is correct
54 Execution timed out 4094 ms 4220 KB Time limit exceeded
55 Halted 0 ms 0 KB -