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Submission #990673

# Submission time Handle Problem Language Result Execution time Memory
990673 2024-05-31T01:27:02 Z starchan Fish 3 (JOI24_fish3) C++17
100 / 100
 551 ms 111956 KB 
#include<bits/stdc++.h>
using namespace std;
#define int long long
#define in array<int, 2>
#define pb push_back
#define pob pop_back
#define INF (int)1e17
#define fast() ios_base::sync_with_stdio(false); cin.tie(NULL)

const int LOGM = 19;
const int MX = 3e5+5;

signed main()
{
	fast();
	int n, d;
	cin >> n >> d;
	vector<int> c(n+1); vector<int> off(n+1, 0);
	for(int i = 1; i <= n; i++)
		cin >> c[i];
	
	vector<int> a(n+1), pref(n+1, 0); pref[1] = a[1] = c[1]/d;
	for(int i = 2; i <= n; i++)
	{
		off[i] = off[i-1] + ((c[i]%d) < (c[i-1]%d));
		a[i] = (c[i]/d) - off[i];
		pref[i] = a[i] + pref[i-1];
	}
	//immediate left that is smaller.

	int L[LOGM][n+1]; L[0][0] = 0; a[0] = -INF; int S[LOGM][n+1]; S[0][0] = 0;

	for(int i = 1; i <= n; i++)
	{
		L[0][i] = i-1;
		while(a[L[0][i]] >= a[i])
			L[0][i] = L[0][L[0][i]];
		S[0][i] = a[i]*(i-L[0][i]);
	}

	for(int i = 1; i < LOGM; i++)
	{
		for(int j = 0; j <= n; j++)
		{
			L[i][j] = L[i-1][L[i-1][j]];
			S[i][j] = S[i-1][j]+S[i-1][L[i-1][j]];
		}
	}

	int q; cin >> q;
	while(q--)
	{
		int l, r;
		cin >> l >> r;
		int SS = pref[r]-pref[l-1]; 
		for(int i = LOGM-1; i >= 0; i--)
		{
			if(L[i][r] >= l)
			{
				SS-=S[i][r];
				r = L[i][r];
			}
		}
		SS-=(a[r]*(r-l+1));
		if(a[r] < (-off[l]))
			SS = -1;
		cout << SS << "\n";
	}
	return 0;
}

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 2 ms 1372 KB Output is correct
5 Correct 2 ms 1372 KB Output is correct
6 Correct 2 ms 1116 KB Output is correct
7 Correct 2 ms 860 KB Output is correct
8 Correct 2 ms 1368 KB Output is correct
9 Correct 2 ms 1372 KB Output is correct
10 Correct 2 ms 1368 KB Output is correct
11 Correct 2 ms 1372 KB Output is correct
12 Correct 2 ms 1372 KB Output is correct
13 Correct 1 ms 1372 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 192 ms 105300 KB Output is correct
2 Correct 188 ms 104528 KB Output is correct
3 Correct 46 ms 4436 KB Output is correct
4 Correct 174 ms 104276 KB Output is correct
5 Correct 177 ms 104324 KB Output is correct
6 Correct 177 ms 104272 KB Output is correct
7 Correct 173 ms 104308 KB Output is correct

Subtask #3
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 60 ms 8252 KB Output is correct
2 Correct 207 ms 111952 KB Output is correct
3 Correct 224 ms 111952 KB Output is correct
4 Correct 217 ms 111952 KB Output is correct
5 Correct 238 ms 111952 KB Output is correct
6 Correct 205 ms 105568 KB Output is correct
7 Correct 199 ms 105588 KB Output is correct
8 Correct 234 ms 108896 KB Output is correct
9 Correct 225 ms 108880 KB Output is correct
10 Correct 550 ms 107320 KB Output is correct
11 Correct 551 ms 107276 KB Output is correct
12 Correct 495 ms 110508 KB Output is correct
13 Correct 485 ms 110364 KB Output is correct

Subtask #4
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 157 ms 88144 KB Output is correct
2 Correct 181 ms 105428 KB Output is correct
3 Correct 82 ms 27988 KB Output is correct
4 Correct 179 ms 108568 KB Output is correct
5 Correct 182 ms 99408 KB Output is correct
6 Correct 190 ms 111948 KB Output is correct
7 Correct 166 ms 89940 KB Output is correct
8 Correct 186 ms 111700 KB Output is correct
9 Correct 170 ms 104416 KB Output is correct
10 Correct 163 ms 104272 KB Output is correct
11 Correct 185 ms 108576 KB Output is correct
12 Correct 181 ms 107816 KB Output is correct
13 Correct 183 ms 111696 KB Output is correct
14 Correct 179 ms 107600 KB Output is correct
15 Correct 186 ms 111696 KB Output is correct
16 Correct 181 ms 107600 KB Output is correct

Subtask #5
36.0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 2 ms 1372 KB Output is correct
5 Correct 2 ms 1372 KB Output is correct
6 Correct 2 ms 1116 KB Output is correct
7 Correct 2 ms 860 KB Output is correct
8 Correct 2 ms 1368 KB Output is correct
9 Correct 2 ms 1372 KB Output is correct
10 Correct 2 ms 1368 KB Output is correct
11 Correct 2 ms 1372 KB Output is correct
12 Correct 2 ms 1372 KB Output is correct
13 Correct 1 ms 1372 KB Output is correct
14 Correct 192 ms 105300 KB Output is correct
15 Correct 188 ms 104528 KB Output is correct
16 Correct 46 ms 4436 KB Output is correct
17 Correct 174 ms 104276 KB Output is correct
18 Correct 177 ms 104324 KB Output is correct
19 Correct 177 ms 104272 KB Output is correct
20 Correct 173 ms 104308 KB Output is correct
21 Correct 60 ms 8252 KB Output is correct
22 Correct 207 ms 111952 KB Output is correct
23 Correct 224 ms 111952 KB Output is correct
24 Correct 217 ms 111952 KB Output is correct
25 Correct 238 ms 111952 KB Output is correct
26 Correct 205 ms 105568 KB Output is correct
27 Correct 199 ms 105588 KB Output is correct
28 Correct 234 ms 108896 KB Output is correct
29 Correct 225 ms 108880 KB Output is correct
30 Correct 550 ms 107320 KB Output is correct
31 Correct 551 ms 107276 KB Output is correct
32 Correct 495 ms 110508 KB Output is correct
33 Correct 485 ms 110364 KB Output is correct
34 Correct 157 ms 88144 KB Output is correct
35 Correct 181 ms 105428 KB Output is correct
36 Correct 82 ms 27988 KB Output is correct
37 Correct 179 ms 108568 KB Output is correct
38 Correct 182 ms 99408 KB Output is correct
39 Correct 190 ms 111948 KB Output is correct
40 Correct 166 ms 89940 KB Output is correct
41 Correct 186 ms 111700 KB Output is correct
42 Correct 170 ms 104416 KB Output is correct
43 Correct 163 ms 104272 KB Output is correct
44 Correct 185 ms 108576 KB Output is correct
45 Correct 181 ms 107816 KB Output is correct
46 Correct 183 ms 111696 KB Output is correct
47 Correct 179 ms 107600 KB Output is correct
48 Correct 186 ms 111696 KB Output is correct
49 Correct 181 ms 107600 KB Output is correct
50 Correct 208 ms 111956 KB Output is correct
51 Correct 192 ms 105552 KB Output is correct
52 Correct 207 ms 108880 KB Output is correct
53 Correct 493 ms 107280 KB Output is correct
54 Correct 453 ms 110420 KB Output is correct
55 Correct 208 ms 111952 KB Output is correct
56 Correct 176 ms 107604 KB Output is correct
57 Correct 177 ms 104276 KB Output is correct
58 Correct 180 ms 104272 KB Output is correct
59 Correct 208 ms 109912 KB Output is correct
60 Correct 179 ms 107680 KB Output is correct
61 Correct 474 ms 107312 KB Output is correct
62 Correct 177 ms 107348 KB Output is correct
63 Correct 473 ms 110672 KB Output is correct
64 Correct 179 ms 107600 KB Output is correct