oj.uz

Submission #828569

# Submission time Handle Problem Language Result Execution time Memory
828569 2023-08-17T11:25:11 Z ttamx Catfish Farm (IOI22_fish) C++17
67 / 100
 678 ms 2097152 KB 
#include "fish.h"
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

const int N=1e5+5;
const ll inf=1e18;

int n,m;
vector<vector<ll>> w;
vector<vector<vector<ll>>> dp;
ll suff[N];
ll val[N];

long long max_weights(int _n,int _m,vector<int> X,vector<int> Y,vector<int> W) {
	n=_n,m=_m;
	int mxy=0,mxx=0;
	for(auto x:X)mxx=max(mxx,x+1);
	for(auto x:Y)mxy=max(mxy,x+1);
	n=min(n,mxx+1);
	w=vector<vector<ll>>(n+5,vector<ll>(mxy+5));
	dp=vector<vector<vector<ll>>>(n+5,vector<vector<ll>>(mxy+5,vector<ll>(2)));
	for(int i=0;i<m;i++)w[X[i]+1][Y[i]+1]=W[i];
	for(int i=1;i<=n;i++)for(int j=1;j<=mxy;j++)w[i][j]+=w[i][j-1];
	for(int i=1;i<=n;i++)for(int j=0;j<=mxy;j++)dp[i][j][0]=dp[i][j][1]=-inf;
	for(int i=1;i<=n;i++){
		if(i>=2)for(int j=mxy;j>=0;j--)suff[j]=max(suff[j+1],dp[i-2][j][1]);
		ll tmp=-inf,tmp2=-inf;
		for(int j=0;j<=mxy;j++){
			tmp=max(tmp,dp[i-1][j][0]-w[i][j]-w[i-1][j]);
			dp[i][j][0]=w[i-1][j]+tmp+w[i+1][j];
			if(i>=2){
				tmp2=max(tmp2,dp[i-2][j][0]-w[i-1][j]);
				dp[i][j][0]=max(dp[i][j][0],w[i-1][j]+tmp+w[i+1][j]);
				dp[i][j][0]=max(dp[i][j][0],suff[j]+w[i+1][j]);
			}
		}
		tmp=-inf;
		for(int j=mxy;j>=0;j--){
			tmp=max(tmp,dp[i-1][j][1]);
			dp[i][j][1]=tmp-w[i][j]+w[i+1][j];
			dp[i][j][1]=max(dp[i][j][1],dp[i][j][0]);
		}
	}
	ll ans=0;
	for(int i=0;i<=mxy;i++)ans=max(ans,dp[n][i][1]);
	return ans;
}

Subtask #1
0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 67 ms 47900 KB Output is correct
2 Correct 67 ms 53620 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 46 ms 49588 KB Output is correct
5 Runtime error 678 ms 2097152 KB Execution killed with signal 9
6 Halted 0 ms 0 KB -

Subtask #2
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 82 ms 56972 KB Output is correct
3 Correct 115 ms 64060 KB Output is correct
4 Correct 61 ms 47884 KB Output is correct
5 Correct 71 ms 53692 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 308 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 46 ms 49592 KB Output is correct
12 Correct 65 ms 53672 KB Output is correct
13 Correct 76 ms 59932 KB Output is correct
14 Correct 83 ms 53744 KB Output is correct
15 Correct 72 ms 59608 KB Output is correct
16 Correct 66 ms 53660 KB Output is correct
17 Correct 72 ms 59580 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 47 ms 45708 KB Output is correct
3 Correct 54 ms 42956 KB Output is correct
4 Correct 51 ms 42532 KB Output is correct
5 Correct 78 ms 49612 KB Output is correct
6 Correct 69 ms 48964 KB Output is correct
7 Correct 70 ms 49484 KB Output is correct
8 Correct 70 ms 49592 KB Output is correct

Subtask #4
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 304 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 596 KB Output is correct
11 Correct 1 ms 448 KB Output is correct
12 Correct 1 ms 576 KB Output is correct
13 Correct 1 ms 312 KB Output is correct
14 Correct 1 ms 580 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 304 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 596 KB Output is correct
11 Correct 1 ms 448 KB Output is correct
12 Correct 1 ms 576 KB Output is correct
13 Correct 1 ms 312 KB Output is correct
14 Correct 1 ms 580 KB Output is correct
15 Correct 6 ms 6100 KB Output is correct
16 Correct 1 ms 724 KB Output is correct
17 Correct 20 ms 8000 KB Output is correct
18 Correct 16 ms 7892 KB Output is correct
19 Correct 16 ms 7892 KB Output is correct
20 Correct 16 ms 7864 KB Output is correct
21 Correct 13 ms 5056 KB Output is correct
22 Correct 24 ms 9804 KB Output is correct
23 Correct 8 ms 6436 KB Output is correct
24 Correct 12 ms 7364 KB Output is correct
25 Correct 1 ms 724 KB Output is correct
26 Correct 8 ms 6484 KB Output is correct

Subtask #6
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 304 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 596 KB Output is correct
11 Correct 1 ms 448 KB Output is correct
12 Correct 1 ms 576 KB Output is correct
13 Correct 1 ms 312 KB Output is correct
14 Correct 1 ms 580 KB Output is correct
15 Correct 6 ms 6100 KB Output is correct
16 Correct 1 ms 724 KB Output is correct
17 Correct 20 ms 8000 KB Output is correct
18 Correct 16 ms 7892 KB Output is correct
19 Correct 16 ms 7892 KB Output is correct
20 Correct 16 ms 7864 KB Output is correct
21 Correct 13 ms 5056 KB Output is correct
22 Correct 24 ms 9804 KB Output is correct
23 Correct 8 ms 6436 KB Output is correct
24 Correct 12 ms 7364 KB Output is correct
25 Correct 1 ms 724 KB Output is correct
26 Correct 8 ms 6484 KB Output is correct
27 Correct 594 ms 566016 KB Output is correct
28 Correct 84 ms 44816 KB Output is correct
29 Correct 559 ms 490460 KB Output is correct
30 Correct 664 ms 578736 KB Output is correct
31 Correct 639 ms 578768 KB Output is correct
32 Correct 83 ms 31580 KB Output is correct
33 Correct 645 ms 578776 KB Output is correct
34 Correct 670 ms 578808 KB Output is correct
35 Correct 61 ms 35908 KB Output is correct
36 Correct 288 ms 230100 KB Output is correct

Subtask #7
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 47 ms 45708 KB Output is correct
3 Correct 54 ms 42956 KB Output is correct
4 Correct 51 ms 42532 KB Output is correct
5 Correct 78 ms 49612 KB Output is correct
6 Correct 69 ms 48964 KB Output is correct
7 Correct 70 ms 49484 KB Output is correct
8 Correct 70 ms 49592 KB Output is correct
9 Runtime error 645 ms 2097152 KB Execution killed with signal 9
10 Halted 0 ms 0 KB -

Subtask #8
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 67 ms 47900 KB Output is correct
2 Correct 67 ms 53620 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 46 ms 49588 KB Output is correct
5 Runtime error 678 ms 2097152 KB Execution killed with signal 9
6 Halted 0 ms 0 KB -