QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#506526#4561. Catfish FarmDan4Life#0 1ms5860kbC++231.6kb2024-08-05 18:53:022024-08-05 18:53:03

Judging History

你现在查看的是最新测评结果

  • [2024-08-05 18:53:03]
  • 评测
  • 测评结果:0
  • 用时:1ms
  • 内存:5860kb
  • [2024-08-05 18:53:02]
  • 提交

answer

#include "fish.h"
#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define sz(a) (int)a.size()
#define all(a) begin(a),end(a)
using ll = long long;
using vi = vector<int>;
const int mxN = (int)1e5+10;
const int mxN2 = (int)3e2+10;
const ll LINF = (ll)2e18;
int n, m;
struct Fish{ int x, y, w; };
vector<Fish> fishes;
ll dp[mxN][10][10];
ll pref[mxN2][mxN2];
int mxY = 9;

ll max_weights(int N, int M, vi _X, vi _Y, vi _W) {
	n = N, m = M; mxY=min(mxY,N);
	for(int i = 0; i < m; i++) 
		fishes.pb({_X[i]+1,_Y[i]+1,_W[i]});
	sort(all(fishes),[&](Fish a, Fish b){
		if(a.x!=b.x) return a.x<b.x;
		return a.y<b.y;
	});
	for(int i = 0; i < m; i++){
		auto [x,y,w] = fishes[i];
		pref[x][y]+=w;
	}
	for(int i = 0; i <= n; i++)
		for(int j = 1; j <= n; j++)
			pref[i][j]+=pref[i][j-1];
	for(int i = 0; i <= n; i++)
		for(int j = 0; j <= mxY; j++)
			for(int k = 0; k <= mxY; k++)
				dp[i][j][k]=-LINF;
	ll ans = 0;
	for(int i = 0; i <= mxY; i++){
		for(int j = 0; j <= mxY; j++){
			if(i>j) dp[2][i][j]=pref[1][i]-pref[1][j];
			else if(i<j) dp[2][i][j]=pref[2][j]-pref[2][i];
			else dp[2][i][j]=0;
			dp[2][i][j]+=pref[3][i];
			ans=max(ans, dp[2][i][j]);
		}
	}
	for(int i = 3; i <= n; i++){
		for(int j = 0; j <= mxY; j++){
			for(int k = 0; k <= mxY; k++){
				for(int l = 0; l <= mxY; l++){
					int cost = 0;
					if(j>max(k,l)) cost = pref[i-1][j]-pref[i-1][max(k,l)];
					dp[i][j][k] = max(dp[i][j][k], dp[i-1][k][l]+cost-pref[i][min(k,j)]);
				}
					
				dp[i][j][k] += pref[i+1][j];
				ans = max(ans, dp[i][j][k]);
			}
		}
	}
	return ans;
}

Details

Tip: Click on the bar to expand more detailed information

Subtask #1:

score: 0
Runtime Error

Test #1:

score: 0
Runtime Error

input:

f785163bfcb92ce6ac387bba5d2f29a0e0f37f19
90000 80699
0 10792 55091480
0 36762 389250726
0 79267 706445371
0 76952 290301137
0 13444 69711795
0 68980 66221400
0 1695 703252611
0 36628 632571604
0 87676 264578012
0 79496 397448339
0 57929 447544332
0 35453 355374818
0 62449 686423696
0 45614 667165709...

output:

Unauthorized output

result:


Subtask #2:

score: 0
Runtime Error

Test #7:

score: 6
Accepted
time: 0ms
memory: 5856kb

input:

f785163bfcb92ce6ac387bba5d2f29a0e0f37f19
3 2
0 0 1
1 1 1

output:

938f2698235a9ff1d1d91e23381b68bec7bed102
OK
2

result:

ok 3 lines

Test #8:

score: 0
Runtime Error

input:

f785163bfcb92ce6ac387bba5d2f29a0e0f37f19
90000 161862
0 56823 293232472
0 28967 124369573
1 8799 138712011
0 87115 743135614
1 56429 262092699
0 61318 597172732
0 39127 477101342
1 44938 277680401
1 79037 997527330
1 88113 13289754
0 29715 35249311
0 50637 709319782
1 20760 845594381
1 80662 6299890...

output:

Unauthorized output

result:


Subtask #3:

score: 0
Runtime Error

Test #20:

score: 0
Runtime Error

input:

f785163bfcb92ce6ac387bba5d2f29a0e0f37f19
100000 1
0 0 10082010

output:

Unauthorized output

result:


Subtask #4:

score: 0
Wrong Answer

Test #28:

score: 14
Accepted
time: 0ms
memory: 3820kb

input:

f785163bfcb92ce6ac387bba5d2f29a0e0f37f19
4 3
2 2 1
0 0 1
1 1 1

output:

938f2698235a9ff1d1d91e23381b68bec7bed102
OK
3

result:

ok 3 lines

Test #29:

score: 14
Accepted
time: 1ms
memory: 5860kb

input:

f785163bfcb92ce6ac387bba5d2f29a0e0f37f19
8 7
5 5 1
4 4 1
6 6 1
3 3 1
0 0 1
2 2 1
1 1 1

output:

938f2698235a9ff1d1d91e23381b68bec7bed102
OK
7

result:

ok 3 lines

Test #30:

score: 14
Accepted
time: 0ms
memory: 3868kb

input:

f785163bfcb92ce6ac387bba5d2f29a0e0f37f19
3 2
0 0 1
1 1 1

output:

938f2698235a9ff1d1d91e23381b68bec7bed102
OK
2

result:

ok 3 lines

Test #31:

score: 14
Accepted
time: 0ms
memory: 3792kb

input:

f785163bfcb92ce6ac387bba5d2f29a0e0f37f19
3 2
2 0 1
1 1 1

output:

938f2698235a9ff1d1d91e23381b68bec7bed102
OK
2

result:

ok 3 lines

Test #32:

score: 0
Wrong Answer
time: 1ms
memory: 4292kb

input:

f785163bfcb92ce6ac387bba5d2f29a0e0f37f19
150 600
79 2 983288470
11 0 322623476
136 0 774411048
24 2 816724362
21 2 719492379
33 3 892309581
47 0 473707335
31 2 781573473
138 2 82986686
75 1 126753954
20 1 54988783
121 1 691958594
20 0 545299878
96 0 637112704
108 1 558914127
74 2 517404335
94 1 7420...

output:

938f2698235a9ff1d1d91e23381b68bec7bed102
OK
203429933902

result:

wrong answer 3rd lines differ - expected: '216624184325', found: '203429933902'

Subtask #5:

score: 0
Skipped

Dependency #4:

0%

Subtask #6:

score: 0
Skipped

Dependency #5:

0%

Subtask #7:

score: 0
Runtime Error

Test #60:

score: 0
Runtime Error

input:

f785163bfcb92ce6ac387bba5d2f29a0e0f37f19
100000 99999
31026 31026 1
42940 42940 1
69303 69303 1
90350 90350 1
77507 77507 1
87126 87126 1
17988 17988 1
5146 5146 1
63023 63023 1
27776 27776 1
6136 6136 1
82557 82557 1
24904 24904 1
21667 21667 1
67271 67271 1
80294 80294 1
81145 81145 1
47144 47144 ...

output:

Unauthorized output

result:


Subtask #8:

score: 0
Skipped

Dependency #1:

0%