oj.uz

Submission #627108

# Submission time Handle Problem Language Result Execution time Memory
627108 2022-08-12T07:54:36 Z movl228 Catfish Farm (IOI22_fish) C++17
32 / 100
 1000 ms 2097152 KB 
#include "fish.h"

#include <bits/stdc++.h>
using namespace std;

long long max_weights(int n,int m,vector <int> x,vector <int> y,vector <int> w){
	bool sub1=1;
	for (int i:x){
		if (i%2==1) sub1=0;
	}
	if (sub1){
		return accumulate(w.begin(),w.end(),0ll);
	}
	if (*max_element(x.begin(),x.end())<=1){
		long long mx[2]={0,0};
		for (int i=0; i<m; i++) mx[x[i]]+=w[i];
		if (n==2) return max(mx[0],mx[1]);
		int a[2][n];
		for (int i=0; i<2; i++){
			for (int j=0; j<n; j++) a[i][j]=0;
		}
		for (int i=0; i<m; i++) a[x[i]][y[i]]=w[i];
		long long ans=mx[1],cur=mx[1];
		for (int j=0; j<n; j++){
			cur+=a[0][j];
			cur-=a[1][j];
			ans=max(ans,cur);
		}
		return ans;
	}
	if (n<=300&&*max_element(y.begin(),y.end())<=8||*max_element(y.begin(),y.end())==0){
		int l=*max_element(y.begin(),y.end())+1;
		long long a[l+1][n+1],s[n+1][l+1];
		for (int i=0; i<=n; i++){
			for (int j=0; j<=l; j++) a[j][i]=s[i][j]=0;
		}
		for (int i=0; i<m; i++) a[y[i]+1][x[i]+1]=w[i];
		for (int col=0; col<=n; col++){
			for (int i=1; i<=l; i++) s[col][i]=s[col][i-1]+a[i][col];
		}
		long long dp[n+1][l+1][l+1];
		for (int i=0; i<=n; i++){
			for (int j=0; j<=l; j++){
				for (int k=0; k<=l; k++) dp[i][j][k]=-1e18;
			}
		}
		dp[0][0][0]=0;
		for (int i=0; i<n; i++){
			for (int j=0; j<=l; j++){
				for (int k=0; k<=l; k++){
					for (int nxt=0; nxt<=l; nxt++){
						dp[i+1][k][nxt]=max(dp[i+1][k][nxt],dp[i][j][k]+(nxt>max(j,k)?s[i][nxt]-s[i][max(j,k)]:0ll)-s[i+1][min(k,nxt)]+(i+2<=n?s[i+2][nxt]:0ll));
					}
				}
			}
		}
		long long ans=0;
		for (int i=0; i<=n; i++){
			for (int j=0; j<=l; j++){
				for (int k=0; k<=l; k++){
					ans=max(ans,dp[i][j][k]);
				}
			}
		}
		return ans;
	}
}

Compilation message

fish.cpp: In function 'long long int max_weights(int, int, std::vector<int>, std::vector<int>, std::vector<int>)':
fish.cpp:31:12: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   31 |  if (n<=300&&*max_element(y.begin(),y.end())<=8||*max_element(y.begin(),y.end())==0){
      |      ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
fish.cpp:67:1: warning: control reaches end of non-void function [-Wreturn-type]
   67 | }
      | ^

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 26 ms 3536 KB Output is correct
2 Correct 27 ms 4280 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 112 ms 12216 KB Output is correct
6 Correct 89 ms 12148 KB Output is correct

Subtask #2
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 48 ms 7500 KB Output is correct
3 Correct 60 ms 9152 KB Output is correct
4 Correct 32 ms 3532 KB Output is correct
5 Correct 35 ms 4356 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 296 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 296 KB Output is correct
12 Correct 31 ms 4044 KB Output is correct
13 Correct 36 ms 4452 KB Output is correct
14 Correct 32 ms 4004 KB Output is correct
15 Correct 27 ms 4264 KB Output is correct
16 Correct 25 ms 3972 KB Output is correct
17 Correct 29 ms 4328 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 8 ms 6484 KB Output is correct
3 Correct 22 ms 7972 KB Output is correct
4 Correct 18 ms 7556 KB Output is correct
5 Correct 33 ms 9036 KB Output is correct
6 Correct 30 ms 9176 KB Output is correct
7 Correct 34 ms 9308 KB Output is correct
8 Correct 34 ms 9292 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 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 2 ms 616 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 2 ms 468 KB Output is correct
13 Correct 1 ms 300 KB Output is correct
14 Correct 1 ms 468 KB Output is correct

Subtask #5
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 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 2 ms 616 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 2 ms 468 KB Output is correct
13 Correct 1 ms 300 KB Output is correct
14 Correct 1 ms 468 KB Output is correct
15 Execution timed out 1086 ms 213668 KB Time limit exceeded
16 Halted 0 ms 0 KB -

Subtask #6
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 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 2 ms 616 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 2 ms 468 KB Output is correct
13 Correct 1 ms 300 KB Output is correct
14 Correct 1 ms 468 KB Output is correct
15 Execution timed out 1086 ms 213668 KB Time limit exceeded
16 Halted 0 ms 0 KB -

Subtask #7
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 8 ms 6484 KB Output is correct
3 Correct 22 ms 7972 KB Output is correct
4 Correct 18 ms 7556 KB Output is correct
5 Correct 33 ms 9036 KB Output is correct
6 Correct 30 ms 9176 KB Output is correct
7 Correct 34 ms 9308 KB Output is correct
8 Correct 34 ms 9292 KB Output is correct
9 Runtime error 902 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 26 ms 3536 KB Output is correct
2 Correct 27 ms 4280 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 112 ms 12216 KB Output is correct
6 Correct 89 ms 12148 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 48 ms 7500 KB Output is correct
9 Correct 60 ms 9152 KB Output is correct
10 Correct 32 ms 3532 KB Output is correct
11 Correct 35 ms 4356 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 296 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 1 ms 296 KB Output is correct
18 Correct 31 ms 4044 KB Output is correct
19 Correct 36 ms 4452 KB Output is correct
20 Correct 32 ms 4004 KB Output is correct
21 Correct 27 ms 4264 KB Output is correct
22 Correct 25 ms 3972 KB Output is correct
23 Correct 29 ms 4328 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 8 ms 6484 KB Output is correct
26 Correct 22 ms 7972 KB Output is correct
27 Correct 18 ms 7556 KB Output is correct
28 Correct 33 ms 9036 KB Output is correct
29 Correct 30 ms 9176 KB Output is correct
30 Correct 34 ms 9308 KB Output is correct
31 Correct 34 ms 9292 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 0 ms 212 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 0 ms 212 KB Output is correct
37 Correct 0 ms 212 KB Output is correct
38 Correct 0 ms 212 KB Output is correct
39 Correct 1 ms 212 KB Output is correct
40 Correct 1 ms 340 KB Output is correct
41 Correct 2 ms 616 KB Output is correct
42 Correct 1 ms 340 KB Output is correct
43 Correct 2 ms 468 KB Output is correct
44 Correct 1 ms 300 KB Output is correct
45 Correct 1 ms 468 KB Output is correct
46 Execution timed out 1086 ms 213668 KB Time limit exceeded
47 Halted 0 ms 0 KB -