oj.uz

Submission #871722

# Submission time Handle Problem Language Result Execution time Memory
871722 2023-11-11T11:41:18 Z Nonoze Catfish Farm (IOI22_fish) C++17
18 / 100
 207 ms 42832 KB 
#include "fish.h"
//include "grader.cpp"

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

map<pair<int, pair<bool, bool>>, int> memo;
vector<int> values;
int n;

int dp(int empl, bool take, bool pretake) {
	if (empl>=n) return 0;
	if (memo.count({empl, {take, pretake}})) return memo[{empl, {take, pretake}}];
	int ans=dp(empl+1, false, take);
	int temp=dp(empl+1, true, take);
	if (!pretake && !take && empl>0) {
		temp+=values[empl-1];
	}
	if (empl+1<n) temp+=values[empl+1];
	if (take) temp-=values[empl];
	return memo[{empl, {take, pretake}}]=max(ans, temp);
}

#undef int
long long max_weights(int N, int m, vector<int> x, vector<int> y, vector<int> w) {
	#define int long long
	n=N;
	bool tacha=true, tachb=true, tachc=true;
	for (int i = 0; i < m; ++i)
	{
		if (x[i]%2) tacha=false;
		if (x[i]>1) tachb=false;
		if (y[i]) tachc=false;
	}
	if (tacha)
	{
		int ans=0;
		for (int i = 0; i < m; ++i) ans+=w[i];
		return ans;
	}
	if (tachb)
	{
		vector<vector<int>> farm(2, vector<int> (n, 0));
		for (int i=0; i<m; i++) {
			farm[x[i]][y[i]]=w[i];
		}
		vector<int> suml, sumr;
		suml.push_back(farm[0][0]);
		sumr.push_back(farm[1][0]);
		for (int i=1; i<n; i++) {
			suml.push_back(suml.back()+farm[0][i]);
			sumr.push_back(sumr.back()+farm[1][i]);
		}
		if (n==2) return max(suml.back(), sumr.back());
		int ans=sumr.back();
		for (int i=0; i<n; i++) {
			ans=max(ans, suml[i]+sumr.back()-sumr[i]);
		}
		return ans;
	}
	values.resize(n);
	for (int i=0; i<m; i++) {
		values[x[i]]=w[i];
	}
	return dp(0, false, false);
	#undef int
}

Compilation message

fish.cpp: In function 'long long int max_weights(int, int, std::vector<int>, std::vector<int>, std::vector<int>)':
fish.cpp:29:31: warning: variable 'tachc' set but not used [-Wunused-but-set-variable]
   29 |  bool tacha=true, tachb=true, tachc=true;
      |                               ^~~~~

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 17 ms 2140 KB Output is correct
2 Correct 21 ms 2904 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 68 ms 7268 KB Output is correct
6 Correct 72 ms 7288 KB Output is correct

Subtask #2
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 600 KB Output is correct
2 Correct 45 ms 8032 KB Output is correct
3 Correct 50 ms 9416 KB Output is correct
4 Correct 18 ms 2132 KB Output is correct
5 Correct 22 ms 2640 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 1 ms 500 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 22 ms 6076 KB Output is correct
13 Correct 25 ms 7104 KB Output is correct
14 Correct 27 ms 6072 KB Output is correct
15 Correct 23 ms 6872 KB Output is correct
16 Correct 20 ms 6040 KB Output is correct
17 Correct 22 ms 6988 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 177 ms 38736 KB Output is correct
3 Correct 170 ms 36996 KB Output is correct
4 Correct 197 ms 40272 KB Output is correct
5 Correct 199 ms 42580 KB Output is correct
6 Correct 195 ms 42064 KB Output is correct
7 Correct 207 ms 42832 KB Output is correct
8 Correct 197 ms 42672 KB Output is correct

Subtask #4
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB 1st lines differ - on the 1st token, expected: '3', found: '2'
2 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB 1st lines differ - on the 1st token, expected: '3', found: '2'
2 Halted 0 ms 0 KB -

Subtask #6
0 / 17.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB 1st lines differ - on the 1st token, expected: '3', found: '2'
2 Halted 0 ms 0 KB -

Subtask #7
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 177 ms 38736 KB Output is correct
3 Correct 170 ms 36996 KB Output is correct
4 Correct 197 ms 40272 KB Output is correct
5 Correct 199 ms 42580 KB Output is correct
6 Correct 195 ms 42064 KB Output is correct
7 Correct 207 ms 42832 KB Output is correct
8 Correct 197 ms 42672 KB Output is correct
9 Incorrect 200 ms 42324 KB 1st lines differ - on the 1st token, expected: '99999', found: '66666'
10 Halted 0 ms 0 KB -

Subtask #8
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 17 ms 2140 KB Output is correct
2 Correct 21 ms 2904 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 68 ms 7268 KB Output is correct
6 Correct 72 ms 7288 KB Output is correct
7 Correct 0 ms 600 KB Output is correct
8 Correct 45 ms 8032 KB Output is correct
9 Correct 50 ms 9416 KB Output is correct
10 Correct 18 ms 2132 KB Output is correct
11 Correct 22 ms 2640 KB Output is correct
12 Correct 0 ms 344 KB Output is correct
13 Correct 1 ms 500 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 22 ms 6076 KB Output is correct
19 Correct 25 ms 7104 KB Output is correct
20 Correct 27 ms 6072 KB Output is correct
21 Correct 23 ms 6872 KB Output is correct
22 Correct 20 ms 6040 KB Output is correct
23 Correct 22 ms 6988 KB Output is correct
24 Correct 0 ms 344 KB Output is correct
25 Correct 177 ms 38736 KB Output is correct
26 Correct 170 ms 36996 KB Output is correct
27 Correct 197 ms 40272 KB Output is correct
28 Correct 199 ms 42580 KB Output is correct
29 Correct 195 ms 42064 KB Output is correct
30 Correct 207 ms 42832 KB Output is correct
31 Correct 197 ms 42672 KB Output is correct
32 Incorrect 0 ms 348 KB 1st lines differ - on the 1st token, expected: '3', found: '2'
33 Halted 0 ms 0 KB -