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Submission #599213

# Submission time Handle Problem Language Result Execution time Memory
599213 2022-07-19T11:41:28 Z SlavicG Uplifting Excursion (BOI22_vault) C++17
5 / 100
 5000 ms 524288 KB 
#pragma GCC optimize("O1")
#pragma GCC optimize("O2")
#pragma GCC optimize("O3")
#pragma GCC optimize("Ofast")
#pragma GCC optimize("Ofast")
#pragma GCC target("avx,avx2,fma")
#include "bits/stdc++.h"
using namespace std;
using ll = long long;

vector<int> calc(vector<int> x) {
    int S = accumulate(x.begin(), x.end(), 0);
    vector<int> dp(S + 1, INT_MIN);
    dp[0] = 0;
    for(int i = 0; i < (int)x.size(); ++i) {
        for(int j = S; j >= 0; --j) {
            if(j - x[i] >= 0) if(dp[j - x[i]] != INT_MIN) dp[j] = max(dp[j], dp[j - x[i]] + 1);
        }
    }
    return dp;
}
int main() {
    ll l, m; cin >> m >> l;
    vector<int> a(2 * m + 1);
    for(int i = 0; i < 2 * m + 1; ++i) cin >> a[i];

    int ans = INT_MIN;
    vector<int> neg;
    int val = m;
    for(int i = 0; i < m; ++i) {
        for(int j = 0; j < a[i]; ++j) neg.push_back(val);
        --val;
    }
    vector<int> pos;
    val = 1;
    for(int i = m + 1; i < 2 * m + 1; ++i) {
        for(int j = 0; j < a[i]; ++j) pos.push_back(val);
        ++val;
    }
    vector<int> pp = calc(pos);
    vector<int> ng = calc(neg);

    if(l < 0) {
        swap(pp, ng);
        l = -l;
    }
    for(ll sum = l; sum < (int)pp.size(); ++sum) {
        if(sum - l >= (int)ng.size() || pp[sum] == INT_MIN || ng[sum - l] == INT_MIN) continue;
        ans = max(ans, pp[sum] + ng[sum - l] + a[m]);
    }
    if(ans == INT_MIN) cout << "impossible\n";
    else cout << ans << "\n";
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 78 ms 576 KB Output is correct
6 Correct 79 ms 584 KB Output is correct
7 Correct 15 ms 340 KB Output is correct
8 Correct 77 ms 440 KB Output is correct
9 Correct 314 ms 804 KB Output is correct
10 Correct 1 ms 212 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 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 78 ms 576 KB Output is correct
6 Correct 79 ms 584 KB Output is correct
7 Correct 15 ms 340 KB Output is correct
8 Correct 77 ms 440 KB Output is correct
9 Correct 314 ms 804 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 300 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 296 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 75 ms 568 KB Output is correct
17 Correct 89 ms 580 KB Output is correct
18 Correct 14 ms 340 KB Output is correct
19 Correct 75 ms 444 KB Output is correct
20 Correct 288 ms 696 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 2369 ms 2356 KB Output is correct
24 Correct 2507 ms 2288 KB Output is correct
25 Correct 377 ms 1136 KB Output is correct
26 Execution timed out 5067 ms 4284 KB Time limit exceeded
27 Halted 0 ms 0 KB -

Subtask #3-1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Runtime error 517 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 1 ms 212 KB Output is correct
2 Runtime error 517 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 1 ms 212 KB Output is correct
2 Runtime error 517 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 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 78 ms 576 KB Output is correct
6 Correct 79 ms 584 KB Output is correct
7 Correct 15 ms 340 KB Output is correct
8 Correct 77 ms 440 KB Output is correct
9 Correct 314 ms 804 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Runtime error 517 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 1 ms 212 KB Output is correct
2 Runtime error 517 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 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 78 ms 576 KB Output is correct
6 Correct 79 ms 584 KB Output is correct
7 Correct 15 ms 340 KB Output is correct
8 Correct 77 ms 440 KB Output is correct
9 Correct 314 ms 804 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 300 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 296 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 75 ms 568 KB Output is correct
17 Correct 89 ms 580 KB Output is correct
18 Correct 14 ms 340 KB Output is correct
19 Correct 75 ms 444 KB Output is correct
20 Correct 288 ms 696 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 2369 ms 2356 KB Output is correct
24 Correct 2507 ms 2288 KB Output is correct
25 Correct 377 ms 1136 KB Output is correct
26 Execution timed out 5067 ms 4284 KB Time limit exceeded
27 Halted 0 ms 0 KB -

Subtask #6-1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Runtime error 517 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 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 78 ms 576 KB Output is correct
6 Correct 79 ms 584 KB Output is correct
7 Correct 15 ms 340 KB Output is correct
8 Correct 77 ms 440 KB Output is correct
9 Correct 314 ms 804 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 300 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 296 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 75 ms 568 KB Output is correct
17 Correct 89 ms 580 KB Output is correct
18 Correct 14 ms 340 KB Output is correct
19 Correct 75 ms 444 KB Output is correct
20 Correct 288 ms 696 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 2369 ms 2356 KB Output is correct
24 Correct 2507 ms 2288 KB Output is correct
25 Correct 377 ms 1136 KB Output is correct
26 Execution timed out 5067 ms 4284 KB Time limit exceeded
27 Halted 0 ms 0 KB -