oj.uz

Submission #659031

# Submission time Handle Problem Language Result Execution time Memory
659031 2022-11-16T00:02:27 Z pere_gil Catfish Farm (IOI22_fish) C++17
0 / 100
 968 ms 2097156 KB 
#include "fish.h"
#include "bits/stdc++.h"
using namespace std;
         
typedef long long ll;
     
ll max_weights(int n, int m, vector<int> x, vector<int> y, vector<int> w){
	int h=0;
	for(int i=0;i<m;i++) h=max(h,y[i]);
	h+=2;

	ll fish[n][h]; memset(fish,0,sizeof fish);
	for(int i=0;i<m;i++) fish[x[i]][y[i]+1]=w[i];
	for(int i=0;i<n;i++)
		for(int j=1;j<h;j++)
			fish[i][j]+=fish[i][j-1];

	ll dp[n][2][h][h]; memset(dp,0,sizeof dp);
	for(int i=1;i<n;i++){
		for(int j=0;j<h;j++){

			// decreasing:
			ll prev=0;
			int pos=0;
			for(int k=h-1;k>=j;k--){
				ll aux=max(dp[i-1][0][k][j],dp[i-1][1][k][j]);
				// hmmmm
				if(aux>=prev){
					pos=k;
					prev=aux;
				}
			}
			
			if(j){
				for(int k=0;k<=j;k++){
					dp[i][0][j][k]+=prev;
					dp[i][0][j][k]+=fish[i][j]-fish[i][k];
				}
			}
			else{
				for(int k=0;k<h;k++){
					dp[i][0][j][k]+=prev;
					if(k>pos) dp[i][0][j][k]+=fish[i-1][k]-fish[i-1][pos];
				}
			}
			
			// increasing:
			prev=0;
			for(int k=0;k<=j;k++)
				prev=max(prev,dp[i-1][1][k][j]);
			for(int k=0;k<h;k++){
				dp[i][1][j][k]+=prev;
				
				if(j>=k) dp[i][1][j][k]+=fish[i][j]-fish[i][k];
				else dp[i][1][j][k]+=fish[i-1][k]-fish[i-1][j];
			}
		}
	}

	/*
	for(int i=0;i<n;i++){
		for(int j=0;j<h;j++){
			for(int k=0;k<h;k++){
				printf("%d:\n",i);
				printf("decreasing:\n");
				printf("%d %d -> %lld\n",j,k,dp[i][0][j][k]);
				printf("increasing:\n");
				printf("%d %d -> %lld\n",j,k,dp[i][1][j][k]);
				printf("\n");
			}
		}
	}
	*/

	ll res=0;
	for(int i=0;i<h;i++)
		for(int j=0;j<h;j++)
			res=max({res,dp[n-1][0][i][j],dp[n-1][1][i][j]});
	
	return res;
}

Subtask #1
0 / 3.0

# Verdict Execution time Memory Grader output
1 Runtime error 968 ms 2097156 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #2
0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Runtime error 777 ms 2097152 KB Execution killed with signal 9
3 Halted 0 ms 0 KB -

Subtask #3
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 8020 KB Output is correct
2 Correct 8 ms 8020 KB Output is correct
3 Incorrect 21 ms 9496 KB 1st lines differ - on the 1st token, expected: '21261825233649', found: '1999989354'
4 Halted 0 ms 0 KB -

Subtask #4
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 1 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 Incorrect 1 ms 340 KB 1st lines differ - on the 1st token, expected: '216624184325', found: '9393607892'
10 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 1 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 Incorrect 1 ms 340 KB 1st lines differ - on the 1st token, expected: '216624184325', found: '9393607892'
10 Halted 0 ms 0 KB -

Subtask #6
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 1 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 Incorrect 1 ms 340 KB 1st lines differ - on the 1st token, expected: '216624184325', found: '9393607892'
10 Halted 0 ms 0 KB -

Subtask #7
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 8020 KB Output is correct
2 Correct 8 ms 8020 KB Output is correct
3 Incorrect 21 ms 9496 KB 1st lines differ - on the 1st token, expected: '21261825233649', found: '1999989354'
4 Halted 0 ms 0 KB -

Subtask #8
0 / 16.0

# Verdict Execution time Memory Grader output
1 Runtime error 968 ms 2097156 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -