oj.uz

Submission #331659

# Submission time Handle Problem Language Result Execution time Memory
331659 2020-11-29T12:11:07 Z vitkishloh228 Bootfall (IZhO17_bootfall) C++14
13 / 100
 1000 ms 524 KB 
#include<iostream>
#include<vector>
#include<algorithm>
#include<bitset>
using namespace std;
const int maxc = 10000;
int main() {
    int n;
    cin >> n;
    vector<int> a(n);
    for (int i = 0; i < n; ++i) cin >> a[i];
    int S = 0;
    for (auto elem : a) {
        S += elem;
    }
    bitset<maxc> dp1;
    dp1[0] = 1;
    for (int i = 0; i < n; i++) {
        dp1 |= dp1 << a[i];
    }
    vector<int> ans;
    for (int L = 0; L < 3000; ++L) {
        int needsum = (S + L);
        //if ((S + L) % 2 == 1) continue;
        bool ok = dp1[S / 2];
        //cout << ok << endl;
        for (int j = 0; j < n; ++j) {
            if ((S + L - a[j]) % 2 == 1) {
                ok = false;
                break;
            }
            bitset<maxc> dp;
            dp[0] = 1;
            for (int i = 0; i < n; i++) {
                if (i == j) continue;
                dp |= dp << a[i];
            }
            dp |= dp << L;
            if (!dp[(S + L - a[j]) / 2]) {
                ok = false;
                break;
            }
        }
        if (ok) {
            ans.push_back(L);
        }
    }
    cout << ans.size() << '\n';
    for (auto elem : ans) cout << elem << ' ';
}

Compilation message

bootfall.cpp: In function 'int main()':
bootfall.cpp:23:13: warning: unused variable 'needsum' [-Wunused-variable]
   23 |         int needsum = (S + L);
      |             ^~~~~~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 364 KB Output is correct
2 Correct 5 ms 364 KB Output is correct
3 Correct 3 ms 364 KB Output is correct
4 Correct 3 ms 364 KB Output is correct
5 Correct 20 ms 364 KB Output is correct
6 Correct 6 ms 364 KB Output is correct
7 Correct 5 ms 364 KB Output is correct
8 Correct 27 ms 364 KB Output is correct
9 Correct 10 ms 364 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 364 KB Output is correct
2 Correct 5 ms 364 KB Output is correct
3 Correct 3 ms 364 KB Output is correct
4 Correct 3 ms 364 KB Output is correct
5 Correct 20 ms 364 KB Output is correct
6 Correct 6 ms 364 KB Output is correct
7 Correct 5 ms 364 KB Output is correct
8 Correct 27 ms 364 KB Output is correct
9 Correct 10 ms 364 KB Output is correct
10 Correct 28 ms 364 KB Output is correct
11 Correct 71 ms 364 KB Output is correct
12 Correct 23 ms 364 KB Output is correct
13 Correct 20 ms 364 KB Output is correct
14 Correct 90 ms 364 KB Output is correct
15 Correct 56 ms 364 KB Output is correct
16 Correct 70 ms 364 KB Output is correct
17 Correct 25 ms 492 KB Output is correct
18 Correct 47 ms 364 KB Output is correct
19 Correct 46 ms 364 KB Output is correct
20 Correct 35 ms 364 KB Output is correct

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 364 KB Output is correct
2 Correct 5 ms 364 KB Output is correct
3 Correct 3 ms 364 KB Output is correct
4 Correct 3 ms 364 KB Output is correct
5 Correct 20 ms 364 KB Output is correct
6 Correct 6 ms 364 KB Output is correct
7 Correct 5 ms 364 KB Output is correct
8 Correct 27 ms 364 KB Output is correct
9 Correct 10 ms 364 KB Output is correct
10 Correct 28 ms 364 KB Output is correct
11 Correct 71 ms 364 KB Output is correct
12 Correct 23 ms 364 KB Output is correct
13 Correct 20 ms 364 KB Output is correct
14 Correct 90 ms 364 KB Output is correct
15 Correct 56 ms 364 KB Output is correct
16 Correct 70 ms 364 KB Output is correct
17 Correct 25 ms 492 KB Output is correct
18 Correct 47 ms 364 KB Output is correct
19 Correct 46 ms 364 KB Output is correct
20 Correct 35 ms 364 KB Output is correct
21 Execution timed out 1057 ms 524 KB Time limit exceeded
22 Halted 0 ms 0 KB -

Subtask #4
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 364 KB Output is correct
2 Correct 5 ms 364 KB Output is correct
3 Correct 3 ms 364 KB Output is correct
4 Correct 3 ms 364 KB Output is correct
5 Correct 20 ms 364 KB Output is correct
6 Correct 6 ms 364 KB Output is correct
7 Correct 5 ms 364 KB Output is correct
8 Correct 27 ms 364 KB Output is correct
9 Correct 10 ms 364 KB Output is correct
10 Correct 28 ms 364 KB Output is correct
11 Correct 71 ms 364 KB Output is correct
12 Correct 23 ms 364 KB Output is correct
13 Correct 20 ms 364 KB Output is correct
14 Correct 90 ms 364 KB Output is correct
15 Correct 56 ms 364 KB Output is correct
16 Correct 70 ms 364 KB Output is correct
17 Correct 25 ms 492 KB Output is correct
18 Correct 47 ms 364 KB Output is correct
19 Correct 46 ms 364 KB Output is correct
20 Correct 35 ms 364 KB Output is correct
21 Execution timed out 1057 ms 524 KB Time limit exceeded
22 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 364 KB Output is correct
2 Correct 5 ms 364 KB Output is correct
3 Correct 3 ms 364 KB Output is correct
4 Correct 3 ms 364 KB Output is correct
5 Correct 20 ms 364 KB Output is correct
6 Correct 6 ms 364 KB Output is correct
7 Correct 5 ms 364 KB Output is correct
8 Correct 27 ms 364 KB Output is correct
9 Correct 10 ms 364 KB Output is correct
10 Correct 28 ms 364 KB Output is correct
11 Correct 71 ms 364 KB Output is correct
12 Correct 23 ms 364 KB Output is correct
13 Correct 20 ms 364 KB Output is correct
14 Correct 90 ms 364 KB Output is correct
15 Correct 56 ms 364 KB Output is correct
16 Correct 70 ms 364 KB Output is correct
17 Correct 25 ms 492 KB Output is correct
18 Correct 47 ms 364 KB Output is correct
19 Correct 46 ms 364 KB Output is correct
20 Correct 35 ms 364 KB Output is correct
21 Execution timed out 1057 ms 524 KB Time limit exceeded
22 Halted 0 ms 0 KB -

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 364 KB Output is correct
2 Correct 5 ms 364 KB Output is correct
3 Correct 3 ms 364 KB Output is correct
4 Correct 3 ms 364 KB Output is correct
5 Correct 20 ms 364 KB Output is correct
6 Correct 6 ms 364 KB Output is correct
7 Correct 5 ms 364 KB Output is correct
8 Correct 27 ms 364 KB Output is correct
9 Correct 10 ms 364 KB Output is correct
10 Correct 28 ms 364 KB Output is correct
11 Correct 71 ms 364 KB Output is correct
12 Correct 23 ms 364 KB Output is correct
13 Correct 20 ms 364 KB Output is correct
14 Correct 90 ms 364 KB Output is correct
15 Correct 56 ms 364 KB Output is correct
16 Correct 70 ms 364 KB Output is correct
17 Correct 25 ms 492 KB Output is correct
18 Correct 47 ms 364 KB Output is correct
19 Correct 46 ms 364 KB Output is correct
20 Correct 35 ms 364 KB Output is correct
21 Execution timed out 1057 ms 524 KB Time limit exceeded
22 Halted 0 ms 0 KB -