oj.uz

Submission #871731

# Submission time Handle Problem Language Result Execution time Memory
871731 2023-11-11T11:58:23 Z Nonoze Catfish Farm (IOI22_fish) C++17
9 / 100
 66 ms 9536 KB 
#include "fish.h"
//#include "grader.cpp"

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

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

int dp(int empl, int take, int pretake) {
	if (empl>=n) return 0;
	if (memo.count({empl, {take, pretake}})) return memo[{empl, {take, pretake}}];
	int ans=dp(empl+1, 0, take);
	int sum=0;
	for (int i=0; i<mini; i++) {
		int temp=dp(empl+1, i+1, take);
		if (pretake<i+1 && take<i+1 && empl>0) {
			sum+=values[empl-1][i];
		}
		if (empl+1<n) sum+=values[empl+1][i];
		if (take>=i+1) sum-=values[empl][i];
		ans=max(ans, temp+sum);
	}
	return memo[{empl, {take, pretake}}]=ans;
}

#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;
	}
	for (int i=0; i<n; i++) {
		mini=max(mini, (long long) y[i]);
	}
	values.resize(n, vector<int>(mini, 0));
	for (int i=0; i<m; i++) {
		values[x[i]][y[i]]=w[i];
	}
	return dp(0, 0, 0);
	#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:34:31: warning: variable 'tachc' set but not used [-Wunused-but-set-variable]
   34 |  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 24 ms 2652 KB Output is correct
3 Correct 0 ms 600 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 65 ms 7272 KB Output is correct
6 Correct 66 ms 7288 KB Output is correct

Subtask #2
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 38 ms 8044 KB Output is correct
3 Correct 46 ms 9536 KB Output is correct
4 Correct 17 ms 2140 KB Output is correct
5 Correct 21 ms 2640 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 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 344 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 19 ms 6044 KB Output is correct
13 Correct 23 ms 7240 KB Output is correct
14 Correct 21 ms 6068 KB Output is correct
15 Correct 22 ms 6988 KB Output is correct
16 Correct 20 ms 6040 KB Output is correct
17 Correct 27 ms 6980 KB Output is correct

Subtask #3
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Runtime error 1 ms 348 KB Execution killed with signal 11
3 Halted 0 ms 0 KB -

Subtask #4
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 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 344 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 344 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 348 KB Output is correct
2 Runtime error 1 ms 348 KB Execution killed with signal 11
3 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 24 ms 2652 KB Output is correct
3 Correct 0 ms 600 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 65 ms 7272 KB Output is correct
6 Correct 66 ms 7288 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 38 ms 8044 KB Output is correct
9 Correct 46 ms 9536 KB Output is correct
10 Correct 17 ms 2140 KB Output is correct
11 Correct 21 ms 2640 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 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 344 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 19 ms 6044 KB Output is correct
19 Correct 23 ms 7240 KB Output is correct
20 Correct 21 ms 6068 KB Output is correct
21 Correct 22 ms 6988 KB Output is correct
22 Correct 20 ms 6040 KB Output is correct
23 Correct 27 ms 6980 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Runtime error 1 ms 348 KB Execution killed with signal 11
26 Halted 0 ms 0 KB -