oj.uz

Submission #692952

# Submission time Handle Problem Language Result Execution time Memory
692952 2023-02-02T07:46:15 Z Pyqe Catfish Farm (IOI22_fish) C++17
100 / 100
 715 ms 43956 KB 
#include <bits/stdc++.h>
#include "fish.h"

using namespace std;

#define mp make_pair
#define fr first
#define sc second

const long long inf=1e18;
long long mxa[100069][2];
vector<pair<long long,long long>> vl[100069];

struct segtree
{
	long long l,r,mx;
	segtree *p[2];
	
	void bd(long long lh,long long rh)
	{
		l=lh;
		r=rh;
		mx=-inf;
		if(l<r)
		{
			long long ii,md=(l+r)/2;
			
			for(ii=0;ii<2;ii++)
			{
				p[ii]=new segtree;
				p[ii]->bd(!ii?l:md+1,!ii?md:r);
			}
		}
	}
	void ud(long long x,long long w)
	{
		if(l>x||r<x);
		else if(l>=x&&r<=x)
		{
			mx=max(mx,w);
		}
		else
		{
			long long ii;
			
			for(ii=0;ii<2;ii++)
			{
				p[ii]->ud(x,w);
			}
			mx=max(p[0]->mx,p[1]->mx);
		}
	}
	long long qr(long long lh,long long rh)
	{
		if(l>rh||r<lh)
		{
			return -inf;
		}
		else if(l>=lh&&r<=rh)
		{
			return mx;
		}
		else
		{
			return max(p[0]->qr(lh,rh),p[1]->qr(lh,rh));
		}
	}
}
sg[2];

long long max_weights(int n,int m,vector<int> xa,vector<int> ya,vector<int> wg)
{
	long long i,j,ii,x,y,w,l,l2,sz,z=-inf;
	
	for(i=1;i<=m;i++)
	{
		x=xa[i-1]+1;
		y=ya[i-1]+1;
		w=wg[i-1];
		vl[x].push_back({y,w});
	}
	for(ii=0;ii<2;ii++)
	{
		sg[ii].bd(1,n);
	}
	for(i=1;i<=n;i++)
	{
		sort(vl[i].begin(),vl[i].end());
		l=mxa[i-1][1];
		l2=-inf;
		if(i-2>=0)
		{
			l2=max(mxa[i-2][0],mxa[i-2][1]);
		}
		sz=vl[i].size();
		for(j=0;j<sz;j++)
		{
			y=vl[i][j].fr;
			w=vl[i][j].sc;
			sg[0].ud(y,max(sg[0].qr(1,y-1),max(l,l2))+w);
		}
		for(j=sz-1;j>=0;j--)
		{
			y=vl[i][j].fr;
			w=vl[i][j].sc;
			sg[1].ud(y,max(sg[1].qr(y+1,n),l2)+w);
		}
		for(ii=0;ii<2;ii++)
		{
			mxa[i][ii]=max(mxa[i-1][ii],sg[ii].mx);
		}
	}
	z=max(mxa[n][1],mxa[n-1][0]);
	return z;
}

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 103 ms 24416 KB Output is correct
2 Correct 111 ms 28636 KB Output is correct
3 Correct 26 ms 22932 KB Output is correct
4 Correct 23 ms 22896 KB Output is correct
5 Correct 299 ms 41044 KB Output is correct
6 Correct 715 ms 43908 KB Output is correct

Subtask #2
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2644 KB Output is correct
2 Correct 154 ms 27584 KB Output is correct
3 Correct 192 ms 34292 KB Output is correct
4 Correct 87 ms 25532 KB Output is correct
5 Correct 137 ms 28560 KB Output is correct
6 Correct 2 ms 2644 KB Output is correct
7 Correct 2 ms 2644 KB Output is correct
8 Correct 2 ms 2644 KB Output is correct
9 Correct 2 ms 2644 KB Output is correct
10 Correct 21 ms 22976 KB Output is correct
11 Correct 30 ms 22988 KB Output is correct
12 Correct 99 ms 25556 KB Output is correct
13 Correct 110 ms 28636 KB Output is correct
14 Correct 85 ms 25440 KB Output is correct
15 Correct 91 ms 28132 KB Output is correct
16 Correct 83 ms 25484 KB Output is correct
17 Correct 89 ms 27992 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 21 ms 22988 KB Output is correct
2 Correct 21 ms 22988 KB Output is correct
3 Correct 60 ms 24720 KB Output is correct
4 Correct 55 ms 25488 KB Output is correct
5 Correct 89 ms 30048 KB Output is correct
6 Correct 82 ms 29412 KB Output is correct
7 Correct 82 ms 29948 KB Output is correct
8 Correct 81 ms 29984 KB Output is correct

Subtask #4
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 2644 KB Output is correct
2 Correct 1 ms 2656 KB Output is correct
3 Correct 2 ms 2644 KB Output is correct
4 Correct 2 ms 2644 KB Output is correct
5 Correct 2 ms 2652 KB Output is correct
6 Correct 2 ms 2644 KB Output is correct
7 Correct 2 ms 2644 KB Output is correct
8 Correct 2 ms 2652 KB Output is correct
9 Correct 2 ms 2656 KB Output is correct
10 Correct 3 ms 2848 KB Output is correct
11 Correct 4 ms 2644 KB Output is correct
12 Correct 3 ms 2704 KB Output is correct
13 Correct 2 ms 2644 KB Output is correct
14 Correct 2 ms 2772 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 2644 KB Output is correct
2 Correct 1 ms 2656 KB Output is correct
3 Correct 2 ms 2644 KB Output is correct
4 Correct 2 ms 2644 KB Output is correct
5 Correct 2 ms 2652 KB Output is correct
6 Correct 2 ms 2644 KB Output is correct
7 Correct 2 ms 2644 KB Output is correct
8 Correct 2 ms 2652 KB Output is correct
9 Correct 2 ms 2656 KB Output is correct
10 Correct 3 ms 2848 KB Output is correct
11 Correct 4 ms 2644 KB Output is correct
12 Correct 3 ms 2704 KB Output is correct
13 Correct 2 ms 2644 KB Output is correct
14 Correct 2 ms 2772 KB Output is correct
15 Correct 3 ms 2644 KB Output is correct
16 Correct 4 ms 2900 KB Output is correct
17 Correct 35 ms 4912 KB Output is correct
18 Correct 54 ms 5500 KB Output is correct
19 Correct 26 ms 5360 KB Output is correct
20 Correct 25 ms 5416 KB Output is correct
21 Correct 26 ms 5476 KB Output is correct
22 Correct 51 ms 7820 KB Output is correct
23 Correct 8 ms 3284 KB Output is correct
24 Correct 20 ms 4436 KB Output is correct
25 Correct 2 ms 2688 KB Output is correct
26 Correct 6 ms 3180 KB Output is correct

Subtask #6
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 2644 KB Output is correct
2 Correct 1 ms 2656 KB Output is correct
3 Correct 2 ms 2644 KB Output is correct
4 Correct 2 ms 2644 KB Output is correct
5 Correct 2 ms 2652 KB Output is correct
6 Correct 2 ms 2644 KB Output is correct
7 Correct 2 ms 2644 KB Output is correct
8 Correct 2 ms 2652 KB Output is correct
9 Correct 2 ms 2656 KB Output is correct
10 Correct 3 ms 2848 KB Output is correct
11 Correct 4 ms 2644 KB Output is correct
12 Correct 3 ms 2704 KB Output is correct
13 Correct 2 ms 2644 KB Output is correct
14 Correct 2 ms 2772 KB Output is correct
15 Correct 3 ms 2644 KB Output is correct
16 Correct 4 ms 2900 KB Output is correct
17 Correct 35 ms 4912 KB Output is correct
18 Correct 54 ms 5500 KB Output is correct
19 Correct 26 ms 5360 KB Output is correct
20 Correct 25 ms 5416 KB Output is correct
21 Correct 26 ms 5476 KB Output is correct
22 Correct 51 ms 7820 KB Output is correct
23 Correct 8 ms 3284 KB Output is correct
24 Correct 20 ms 4436 KB Output is correct
25 Correct 2 ms 2688 KB Output is correct
26 Correct 6 ms 3180 KB Output is correct
27 Correct 4 ms 3360 KB Output is correct
28 Correct 127 ms 14000 KB Output is correct
29 Correct 214 ms 17512 KB Output is correct
30 Correct 223 ms 16728 KB Output is correct
31 Correct 230 ms 16936 KB Output is correct
32 Correct 173 ms 18696 KB Output is correct
33 Correct 255 ms 16924 KB Output is correct
34 Correct 288 ms 16672 KB Output is correct
35 Correct 75 ms 9120 KB Output is correct
36 Correct 216 ms 18652 KB Output is correct

Subtask #7
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 21 ms 22988 KB Output is correct
2 Correct 21 ms 22988 KB Output is correct
3 Correct 60 ms 24720 KB Output is correct
4 Correct 55 ms 25488 KB Output is correct
5 Correct 89 ms 30048 KB Output is correct
6 Correct 82 ms 29412 KB Output is correct
7 Correct 82 ms 29948 KB Output is correct
8 Correct 81 ms 29984 KB Output is correct
9 Correct 128 ms 29732 KB Output is correct
10 Correct 97 ms 19364 KB Output is correct
11 Correct 192 ms 36340 KB Output is correct
12 Correct 2 ms 2644 KB Output is correct
13 Correct 3 ms 2652 KB Output is correct
14 Correct 3 ms 2664 KB Output is correct
15 Correct 7 ms 2656 KB Output is correct
16 Correct 4 ms 2656 KB Output is correct
17 Correct 3 ms 2660 KB Output is correct
18 Correct 19 ms 22896 KB Output is correct
19 Correct 19 ms 22964 KB Output is correct
20 Correct 24 ms 22972 KB Output is correct
21 Correct 19 ms 22896 KB Output is correct
22 Correct 204 ms 30112 KB Output is correct
23 Correct 184 ms 36284 KB Output is correct
24 Correct 197 ms 36836 KB Output is correct

Subtask #8
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 103 ms 24416 KB Output is correct
2 Correct 111 ms 28636 KB Output is correct
3 Correct 26 ms 22932 KB Output is correct
4 Correct 23 ms 22896 KB Output is correct
5 Correct 299 ms 41044 KB Output is correct
6 Correct 715 ms 43908 KB Output is correct
7 Correct 2 ms 2644 KB Output is correct
8 Correct 154 ms 27584 KB Output is correct
9 Correct 192 ms 34292 KB Output is correct
10 Correct 87 ms 25532 KB Output is correct
11 Correct 137 ms 28560 KB Output is correct
12 Correct 2 ms 2644 KB Output is correct
13 Correct 2 ms 2644 KB Output is correct
14 Correct 2 ms 2644 KB Output is correct
15 Correct 2 ms 2644 KB Output is correct
16 Correct 21 ms 22976 KB Output is correct
17 Correct 30 ms 22988 KB Output is correct
18 Correct 99 ms 25556 KB Output is correct
19 Correct 110 ms 28636 KB Output is correct
20 Correct 85 ms 25440 KB Output is correct
21 Correct 91 ms 28132 KB Output is correct
22 Correct 83 ms 25484 KB Output is correct
23 Correct 89 ms 27992 KB Output is correct
24 Correct 21 ms 22988 KB Output is correct
25 Correct 21 ms 22988 KB Output is correct
26 Correct 60 ms 24720 KB Output is correct
27 Correct 55 ms 25488 KB Output is correct
28 Correct 89 ms 30048 KB Output is correct
29 Correct 82 ms 29412 KB Output is correct
30 Correct 82 ms 29948 KB Output is correct
31 Correct 81 ms 29984 KB Output is correct
32 Correct 3 ms 2644 KB Output is correct
33 Correct 1 ms 2656 KB Output is correct
34 Correct 2 ms 2644 KB Output is correct
35 Correct 2 ms 2644 KB Output is correct
36 Correct 2 ms 2652 KB Output is correct
37 Correct 2 ms 2644 KB Output is correct
38 Correct 2 ms 2644 KB Output is correct
39 Correct 2 ms 2652 KB Output is correct
40 Correct 2 ms 2656 KB Output is correct
41 Correct 3 ms 2848 KB Output is correct
42 Correct 4 ms 2644 KB Output is correct
43 Correct 3 ms 2704 KB Output is correct
44 Correct 2 ms 2644 KB Output is correct
45 Correct 2 ms 2772 KB Output is correct
46 Correct 3 ms 2644 KB Output is correct
47 Correct 4 ms 2900 KB Output is correct
48 Correct 35 ms 4912 KB Output is correct
49 Correct 54 ms 5500 KB Output is correct
50 Correct 26 ms 5360 KB Output is correct
51 Correct 25 ms 5416 KB Output is correct
52 Correct 26 ms 5476 KB Output is correct
53 Correct 51 ms 7820 KB Output is correct
54 Correct 8 ms 3284 KB Output is correct
55 Correct 20 ms 4436 KB Output is correct
56 Correct 2 ms 2688 KB Output is correct
57 Correct 6 ms 3180 KB Output is correct
58 Correct 4 ms 3360 KB Output is correct
59 Correct 127 ms 14000 KB Output is correct
60 Correct 214 ms 17512 KB Output is correct
61 Correct 223 ms 16728 KB Output is correct
62 Correct 230 ms 16936 KB Output is correct
63 Correct 173 ms 18696 KB Output is correct
64 Correct 255 ms 16924 KB Output is correct
65 Correct 288 ms 16672 KB Output is correct
66 Correct 75 ms 9120 KB Output is correct
67 Correct 216 ms 18652 KB Output is correct
68 Correct 128 ms 29732 KB Output is correct
69 Correct 97 ms 19364 KB Output is correct
70 Correct 192 ms 36340 KB Output is correct
71 Correct 2 ms 2644 KB Output is correct
72 Correct 3 ms 2652 KB Output is correct
73 Correct 3 ms 2664 KB Output is correct
74 Correct 7 ms 2656 KB Output is correct
75 Correct 4 ms 2656 KB Output is correct
76 Correct 3 ms 2660 KB Output is correct
77 Correct 19 ms 22896 KB Output is correct
78 Correct 19 ms 22964 KB Output is correct
79 Correct 24 ms 22972 KB Output is correct
80 Correct 19 ms 22896 KB Output is correct
81 Correct 204 ms 30112 KB Output is correct
82 Correct 184 ms 36284 KB Output is correct
83 Correct 197 ms 36836 KB Output is correct
84 Correct 324 ms 38884 KB Output is correct
85 Correct 321 ms 40384 KB Output is correct
86 Correct 566 ms 41576 KB Output is correct
87 Correct 522 ms 43956 KB Output is correct
88 Correct 2 ms 2644 KB Output is correct
89 Correct 594 ms 43824 KB Output is correct
90 Correct 224 ms 42676 KB Output is correct
91 Correct 276 ms 42156 KB Output is correct