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Submission #721801

# Submission time Handle Problem Language Result Execution time Memory
721801 2023-04-11T07:26:39 Z OttincaM Uplifting Excursion (BOI22_vault) C++17
5 / 100
 5000 ms 524288 KB 
#include <iostream>
#include <vector>
#include "stdio.h"
using namespace std;
#define int long long

long long const LLINF = 8e18;
int const ZER = 500000;
int const N = 1000000;

signed main(){
    ios_base::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr);
    #ifdef WTF
        freopen("input.txt", "r", stdin);
        freopen("output.txt", "w", stdout);
        freopen("error.txt", "w", stderr);
    #endif


    int m, l; cin >> m >> l;
    vector <int> a(2 * m + 2), x, y, z;
    for(int i = 1; i <= 2 * m + 1; i ++){
         cin >> a[i];
         int K = a[i];
         while(K --){
            if(i - 1 - m > 0){
                x.push_back(i - 1 - m);
            } else if(i - 1 - m < 0){
                y.push_back(i - 1 - m);
            } else {
                z.push_back(i - 1 - m);
            }
         }
    }

    vector <int> dp(N, -LLINF);
    dp[ZER] = (int)z.size();

    for(int t: x){
        for(int i = N - 1; i >= 0; i--){
            if(i - t >= 0 && dp[i - t] != -LLINF){
                dp[i] = max(dp[i], dp[i - t] + 1);
            }
        }

    }

    for(int t: y){
        for(int i = 0; i < N; i ++){
            if(i - t < N && dp[i - t] != -LLINF){
                dp[i] = max(dp[i], dp[i - t] + 1);
            }
        }
    }
        // for(int i = 0; i < N; i ++) cout << dp[i] << " ";

    int ans = -LLINF;
    for(int i = 0; i < N; i ++){
        if(i - ZER == l){
            ans = dp[i]; break;
        }
    }

    if(ans == -LLINF){
        cout << "impossible\n";
    } else {
        cout << ans << "\n";
    }
    return 0;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 8148 KB Output is correct
2 Correct 15 ms 8148 KB Output is correct
3 Correct 10 ms 8148 KB Output is correct
4 Correct 50 ms 8148 KB Output is correct
5 Correct 2359 ms 8148 KB Output is correct
6 Correct 2385 ms 8148 KB Output is correct
7 Correct 960 ms 8148 KB Output is correct
8 Correct 2280 ms 8148 KB Output is correct
9 Correct 4384 ms 8148 KB Output is correct
10 Correct 78 ms 8148 KB Output is correct
11 Correct 67 ms 8148 KB Output is correct

Subtask #2
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 8148 KB Output is correct
2 Correct 15 ms 8148 KB Output is correct
3 Correct 10 ms 8148 KB Output is correct
4 Correct 50 ms 8148 KB Output is correct
5 Correct 2359 ms 8148 KB Output is correct
6 Correct 2385 ms 8148 KB Output is correct
7 Correct 960 ms 8148 KB Output is correct
8 Correct 2280 ms 8148 KB Output is correct
9 Correct 4384 ms 8148 KB Output is correct
10 Correct 78 ms 8148 KB Output is correct
11 Correct 67 ms 8148 KB Output is correct
12 Correct 17 ms 8124 KB Output is correct
13 Correct 10 ms 8148 KB Output is correct
14 Correct 12 ms 8148 KB Output is correct
15 Correct 43 ms 8148 KB Output is correct
16 Correct 2245 ms 8148 KB Output is correct
17 Correct 2337 ms 8124 KB Output is correct
18 Correct 907 ms 8148 KB Output is correct
19 Correct 2331 ms 8148 KB Output is correct
20 Correct 4188 ms 8148 KB Output is correct
21 Correct 77 ms 8148 KB Output is correct
22 Correct 65 ms 8128 KB Output is correct
23 Execution timed out 5081 ms 8260 KB Time limit exceeded
24 Halted 0 ms 0 KB -

Subtask #3-1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 51 ms 8148 KB Output is correct
2 Runtime error 407 ms 524288 KB Execution killed with signal 9
3 Halted 0 ms 0 KB -

Subtask #3-2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 51 ms 8148 KB Output is correct
2 Runtime error 407 ms 524288 KB Execution killed with signal 9
3 Halted 0 ms 0 KB -

Subtask #4-1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 51 ms 8148 KB Output is correct
2 Runtime error 407 ms 524288 KB Execution killed with signal 9
3 Halted 0 ms 0 KB -

Subtask #4-2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 8148 KB Output is correct
2 Correct 15 ms 8148 KB Output is correct
3 Correct 10 ms 8148 KB Output is correct
4 Correct 50 ms 8148 KB Output is correct
5 Correct 2359 ms 8148 KB Output is correct
6 Correct 2385 ms 8148 KB Output is correct
7 Correct 960 ms 8148 KB Output is correct
8 Correct 2280 ms 8148 KB Output is correct
9 Correct 4384 ms 8148 KB Output is correct
10 Correct 78 ms 8148 KB Output is correct
11 Correct 67 ms 8148 KB Output is correct
12 Correct 51 ms 8148 KB Output is correct
13 Runtime error 407 ms 524288 KB Execution killed with signal 9
14 Halted 0 ms 0 KB -

Subtask #5-1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 51 ms 8148 KB Output is correct
2 Runtime error 407 ms 524288 KB Execution killed with signal 9
3 Halted 0 ms 0 KB -

Subtask #5-2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 8148 KB Output is correct
2 Correct 15 ms 8148 KB Output is correct
3 Correct 10 ms 8148 KB Output is correct
4 Correct 50 ms 8148 KB Output is correct
5 Correct 2359 ms 8148 KB Output is correct
6 Correct 2385 ms 8148 KB Output is correct
7 Correct 960 ms 8148 KB Output is correct
8 Correct 2280 ms 8148 KB Output is correct
9 Correct 4384 ms 8148 KB Output is correct
10 Correct 78 ms 8148 KB Output is correct
11 Correct 67 ms 8148 KB Output is correct
12 Correct 17 ms 8124 KB Output is correct
13 Correct 10 ms 8148 KB Output is correct
14 Correct 12 ms 8148 KB Output is correct
15 Correct 43 ms 8148 KB Output is correct
16 Correct 2245 ms 8148 KB Output is correct
17 Correct 2337 ms 8124 KB Output is correct
18 Correct 907 ms 8148 KB Output is correct
19 Correct 2331 ms 8148 KB Output is correct
20 Correct 4188 ms 8148 KB Output is correct
21 Correct 77 ms 8148 KB Output is correct
22 Correct 65 ms 8128 KB Output is correct
23 Execution timed out 5081 ms 8260 KB Time limit exceeded
24 Halted 0 ms 0 KB -

Subtask #6-1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 51 ms 8148 KB Output is correct
2 Runtime error 407 ms 524288 KB Execution killed with signal 9
3 Halted 0 ms 0 KB -

Subtask #6-2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 8148 KB Output is correct
2 Correct 15 ms 8148 KB Output is correct
3 Correct 10 ms 8148 KB Output is correct
4 Correct 50 ms 8148 KB Output is correct
5 Correct 2359 ms 8148 KB Output is correct
6 Correct 2385 ms 8148 KB Output is correct
7 Correct 960 ms 8148 KB Output is correct
8 Correct 2280 ms 8148 KB Output is correct
9 Correct 4384 ms 8148 KB Output is correct
10 Correct 78 ms 8148 KB Output is correct
11 Correct 67 ms 8148 KB Output is correct
12 Correct 17 ms 8124 KB Output is correct
13 Correct 10 ms 8148 KB Output is correct
14 Correct 12 ms 8148 KB Output is correct
15 Correct 43 ms 8148 KB Output is correct
16 Correct 2245 ms 8148 KB Output is correct
17 Correct 2337 ms 8124 KB Output is correct
18 Correct 907 ms 8148 KB Output is correct
19 Correct 2331 ms 8148 KB Output is correct
20 Correct 4188 ms 8148 KB Output is correct
21 Correct 77 ms 8148 KB Output is correct
22 Correct 65 ms 8128 KB Output is correct
23 Execution timed out 5081 ms 8260 KB Time limit exceeded
24 Halted 0 ms 0 KB -