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Submission #736237

# Submission time Handle Problem Language Result Execution time Memory
736237 2023-05-05T10:55:55 Z ksu2009en Uplifting Excursion (BOI22_vault) C++14
5 / 100
 5000 ms 4180 KB 
#pragma GCC optimize("O3")
#pragma GCC target("avx,avx2")

#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(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    
    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 0 ms 212 KB Output is correct
6 Correct 340 ms 852 KB Output is correct
7 Correct 55 ms 520 KB Output is correct
8 Correct 286 ms 824 KB Output is correct
9 Correct 1012 ms 1264 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 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 0 ms 212 KB Output is correct
6 Correct 340 ms 852 KB Output is correct
7 Correct 55 ms 520 KB Output is correct
8 Correct 286 ms 824 KB Output is correct
9 Correct 1012 ms 1264 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 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 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 324 ms 832 KB Output is correct
18 Correct 56 ms 520 KB Output is correct
19 Correct 282 ms 820 KB Output is correct
20 Correct 1022 ms 1264 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Execution timed out 5049 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 0 ms 212 KB Output is correct
6 Correct 340 ms 852 KB Output is correct
7 Correct 55 ms 520 KB Output is correct
8 Correct 286 ms 824 KB Output is correct
9 Correct 1012 ms 1264 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 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 0 ms 212 KB Output is correct
6 Correct 340 ms 852 KB Output is correct
7 Correct 55 ms 520 KB Output is correct
8 Correct 286 ms 824 KB Output is correct
9 Correct 1012 ms 1264 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 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 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 324 ms 832 KB Output is correct
18 Correct 56 ms 520 KB Output is correct
19 Correct 282 ms 820 KB Output is correct
20 Correct 1022 ms 1264 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Execution timed out 5049 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 0 ms 212 KB Output is correct
6 Correct 340 ms 852 KB Output is correct
7 Correct 55 ms 520 KB Output is correct
8 Correct 286 ms 824 KB Output is correct
9 Correct 1012 ms 1264 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 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 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 324 ms 832 KB Output is correct
18 Correct 56 ms 520 KB Output is correct
19 Correct 282 ms 820 KB Output is correct
20 Correct 1022 ms 1264 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Execution timed out 5049 ms 4180 KB Time limit exceeded
25 Halted 0 ms 0 KB -