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Submission #736239

# Submission time Handle Problem Language Result Execution time Memory
736239 2023-05-05T10:56:32 Z ksu2009en Uplifting Excursion (BOI22_vault) C++14
5 / 100
 5000 ms 4180 KB 
#include <iostream>
#include <vector>
#include <string>
#include <math.h>
#include <cmath>
#include <iomanip>
#include <cstdio>
#include <algorithm>
#include <numeric>
#include <map>
#include <set>
#include <queue>
#include <stack>
#include <deque>
#include <bitset>
#include <cstring>
#include <unordered_map>

using namespace std;
typedef int ll;

#define endl '\n'

int main(){

    
    ll m, l;
    cin >> m >> l;
    
    vector<ll>a(2 * m + 1);
    for(auto &i: a)
        cin >> i;
    
    ll s1 = 0, s2 = 0;
    for(int i = -m; i <= 0; i++)
        s1 += i * a[i + m];
    
    for(int i = 0; i <= m; i++)
        s2 += i * a[i + m];
    
    if(l < s1 || l > s2){
        cout << "impossible" << endl;
        return 0;
    }
    
    ll add = abs(s1) + 1;
    
    vector<ll>dp(add + s2 + 10, -1e9), dp2(add + s2 + 10);
    dp[0 + add] = 0;
    
    for(int i = 0; i < 2 * m + 1; i++){
        ll num = 0;
        if(i < m)
            num = -(m - i);
        else
            num = i - m;
        
        for(auto &j : dp2)
            j = -1e9;
        dp2[0 + add] = 0;
        
        for(int j = 0; j <= a[i]; j++){
            ll sum = num * j;
            
            for(int num2 = s1; num2 <= s2; num2++){
                if(num2 - sum < s1 || num2 - sum > s2 || dp[num2 + add - sum] == (ll)(-1e9))
                    continue;
                
                dp2[num2 + add] = max(dp2[num2 + add], j + dp[num2 + add - sum]);
            }
        }
        
        dp = dp2;
    }
    
    if(dp[l + add] == (ll)(-1e9))
        cout << "impossible" << endl;
    else
        cout << dp[l + add] << endl;
     
    return 0;
}
/*
 1 5
 6 0 6
 
 */

Subtask #1
5.0 / 5.0

# 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 1 ms 212 KB Output is correct
6 Correct 254 ms 844 KB Output is correct
7 Correct 46 ms 468 KB Output is correct
8 Correct 225 ms 788 KB Output is correct
9 Correct 773 ms 1252 KB Output is correct
10 Correct 3 ms 340 KB Output is correct
11 Correct 1 ms 212 KB Output is correct

Subtask #2
0 / 15.0

# 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 1 ms 212 KB Output is correct
6 Correct 254 ms 844 KB Output is correct
7 Correct 46 ms 468 KB Output is correct
8 Correct 225 ms 788 KB Output is correct
9 Correct 773 ms 1252 KB Output is correct
10 Correct 3 ms 340 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 249 ms 816 KB Output is correct
18 Correct 46 ms 468 KB Output is correct
19 Correct 218 ms 780 KB Output is correct
20 Correct 758 ms 1240 KB Output is correct
21 Correct 2 ms 340 KB Output is correct
22 Correct 2 ms 212 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Execution timed out 5055 ms 4180 KB Time limit exceeded
25 Halted 0 ms 0 KB -

Subtask #3-1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Incorrect 0 ms 212 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3-2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Incorrect 0 ms 212 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4-1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Incorrect 0 ms 212 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4-2
0 / 10.0

# 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 1 ms 212 KB Output is correct
6 Correct 254 ms 844 KB Output is correct
7 Correct 46 ms 468 KB Output is correct
8 Correct 225 ms 788 KB Output is correct
9 Correct 773 ms 1252 KB Output is correct
10 Correct 3 ms 340 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Incorrect 0 ms 212 KB Output isn't correct
14 Halted 0 ms 0 KB -

Subtask #5-1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Incorrect 0 ms 212 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #5-2
0 / 10.0

# 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 1 ms 212 KB Output is correct
6 Correct 254 ms 844 KB Output is correct
7 Correct 46 ms 468 KB Output is correct
8 Correct 225 ms 788 KB Output is correct
9 Correct 773 ms 1252 KB Output is correct
10 Correct 3 ms 340 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 249 ms 816 KB Output is correct
18 Correct 46 ms 468 KB Output is correct
19 Correct 218 ms 780 KB Output is correct
20 Correct 758 ms 1240 KB Output is correct
21 Correct 2 ms 340 KB Output is correct
22 Correct 2 ms 212 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Execution timed out 5055 ms 4180 KB Time limit exceeded
25 Halted 0 ms 0 KB -

Subtask #6-1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Incorrect 0 ms 212 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #6-2
0 / 10.0

# 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 1 ms 212 KB Output is correct
6 Correct 254 ms 844 KB Output is correct
7 Correct 46 ms 468 KB Output is correct
8 Correct 225 ms 788 KB Output is correct
9 Correct 773 ms 1252 KB Output is correct
10 Correct 3 ms 340 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 249 ms 816 KB Output is correct
18 Correct 46 ms 468 KB Output is correct
19 Correct 218 ms 780 KB Output is correct
20 Correct 758 ms 1240 KB Output is correct
21 Correct 2 ms 340 KB Output is correct
22 Correct 2 ms 212 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Execution timed out 5055 ms 4180 KB Time limit exceeded
25 Halted 0 ms 0 KB -