oj.uz

Submission #38791

# Submission time Handle Problem Language Result Execution time Memory
38791 2018-01-06T15:01:28 Z DenXman111 Bootfall (IZhO17_bootfall) C++14
13 / 100
 0 ms 7228 KB 
#include <bits/stdc++.h>
const int MAXN = 323456;
using namespace std;

int a[MAXN], ans[MAXN], dp[MAXN], d[MAXN];
int main()
{
//    freopen("bootfall.in", "r", stdin);
//    freopen("bootfall.out", "w", stdout);
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    srand(time(0));
    int n, i, j, sum = 0, x = 0;
    cin >> n;
    dp[0] = 1;
    for (i = 1; i <= n; i++){
        cin >> a[i];
        for (j = sum; j >= 0; j--) dp[j + a[i]] += dp[j];
        sum += a[i];
    }
    if (sum % 2 == 1 || dp[sum / 2] == 0) return cout << 0 << endl, 0;
    for (j = 0; j <= sum; j++) d[j] = dp[j];

    for (i = 1; i <= n; i++){
        for (j = 0; j <= sum; j++) {
            d[j + a[i]] -= d[j];
            x = abs(sum - j - a[i] - j);
            if (d[j] != 0 && ans[x] == i - 1) ans[x] = i;
            d[j] = dp[j];
        }
    }
    vector < int > v;
    for (i = 0; i <= sum; i++) if (ans[i] == n) v.push_back(i);
    cout << v.size() << endl;
    for (i = 0; i < v.size(); i++) cout << v[i] << " ";
    return 0;
}

Compilation message

bootfall.cpp: In function 'int main()':
bootfall.cpp:35:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (i = 0; i < v.size(); i++) cout << v[i] << " ";
                   ^

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 7228 KB Output is correct
2 Correct 0 ms 7228 KB Output is correct
3 Correct 0 ms 7228 KB Output is correct
4 Correct 0 ms 7228 KB Output is correct
5 Correct 0 ms 7228 KB Output is correct
6 Correct 0 ms 7228 KB Output is correct
7 Correct 0 ms 7228 KB Output is correct
8 Correct 0 ms 7228 KB Output is correct
9 Correct 0 ms 7228 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 7228 KB Output is correct
2 Correct 0 ms 7228 KB Output is correct
3 Correct 0 ms 7228 KB Output is correct
4 Correct 0 ms 7228 KB Output is correct
5 Correct 0 ms 7228 KB Output is correct
6 Correct 0 ms 7228 KB Output is correct
7 Correct 0 ms 7228 KB Output is correct
8 Correct 0 ms 7228 KB Output is correct
9 Correct 0 ms 7228 KB Output is correct
10 Correct 0 ms 7228 KB Output is correct
11 Correct 0 ms 7228 KB Output is correct
12 Correct 0 ms 7228 KB Output is correct
13 Correct 0 ms 7228 KB Output is correct
14 Correct 0 ms 7228 KB Output is correct
15 Correct 0 ms 7228 KB Output is correct
16 Correct 0 ms 7228 KB Output is correct
17 Correct 0 ms 7228 KB Output is correct
18 Correct 0 ms 7228 KB Output is correct
19 Correct 0 ms 7228 KB Output is correct
20 Correct 0 ms 7228 KB Output is correct

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 7228 KB Output is correct
2 Correct 0 ms 7228 KB Output is correct
3 Correct 0 ms 7228 KB Output is correct
4 Correct 0 ms 7228 KB Output is correct
5 Correct 0 ms 7228 KB Output is correct
6 Correct 0 ms 7228 KB Output is correct
7 Correct 0 ms 7228 KB Output is correct
8 Correct 0 ms 7228 KB Output is correct
9 Correct 0 ms 7228 KB Output is correct
10 Correct 0 ms 7228 KB Output is correct
11 Correct 0 ms 7228 KB Output is correct
12 Correct 0 ms 7228 KB Output is correct
13 Correct 0 ms 7228 KB Output is correct
14 Correct 0 ms 7228 KB Output is correct
15 Correct 0 ms 7228 KB Output is correct
16 Correct 0 ms 7228 KB Output is correct
17 Correct 0 ms 7228 KB Output is correct
18 Correct 0 ms 7228 KB Output is correct
19 Correct 0 ms 7228 KB Output is correct
20 Correct 0 ms 7228 KB Output is correct
21 Correct 0 ms 7228 KB Output is correct
22 Correct 0 ms 7228 KB Output is correct
23 Correct 0 ms 7228 KB Output is correct
24 Runtime error 0 ms 7228 KB Execution killed because of forbidden syscall writev (20)
25 Halted 0 ms 0 KB -

Subtask #4
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 7228 KB Output is correct
2 Correct 0 ms 7228 KB Output is correct
3 Correct 0 ms 7228 KB Output is correct
4 Correct 0 ms 7228 KB Output is correct
5 Correct 0 ms 7228 KB Output is correct
6 Correct 0 ms 7228 KB Output is correct
7 Correct 0 ms 7228 KB Output is correct
8 Correct 0 ms 7228 KB Output is correct
9 Correct 0 ms 7228 KB Output is correct
10 Correct 0 ms 7228 KB Output is correct
11 Correct 0 ms 7228 KB Output is correct
12 Correct 0 ms 7228 KB Output is correct
13 Correct 0 ms 7228 KB Output is correct
14 Correct 0 ms 7228 KB Output is correct
15 Correct 0 ms 7228 KB Output is correct
16 Correct 0 ms 7228 KB Output is correct
17 Correct 0 ms 7228 KB Output is correct
18 Correct 0 ms 7228 KB Output is correct
19 Correct 0 ms 7228 KB Output is correct
20 Correct 0 ms 7228 KB Output is correct
21 Correct 0 ms 7228 KB Output is correct
22 Correct 0 ms 7228 KB Output is correct
23 Correct 0 ms 7228 KB Output is correct
24 Runtime error 0 ms 7228 KB Execution killed because of forbidden syscall writev (20)
25 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 7228 KB Output is correct
2 Correct 0 ms 7228 KB Output is correct
3 Correct 0 ms 7228 KB Output is correct
4 Correct 0 ms 7228 KB Output is correct
5 Correct 0 ms 7228 KB Output is correct
6 Correct 0 ms 7228 KB Output is correct
7 Correct 0 ms 7228 KB Output is correct
8 Correct 0 ms 7228 KB Output is correct
9 Correct 0 ms 7228 KB Output is correct
10 Correct 0 ms 7228 KB Output is correct
11 Correct 0 ms 7228 KB Output is correct
12 Correct 0 ms 7228 KB Output is correct
13 Correct 0 ms 7228 KB Output is correct
14 Correct 0 ms 7228 KB Output is correct
15 Correct 0 ms 7228 KB Output is correct
16 Correct 0 ms 7228 KB Output is correct
17 Correct 0 ms 7228 KB Output is correct
18 Correct 0 ms 7228 KB Output is correct
19 Correct 0 ms 7228 KB Output is correct
20 Correct 0 ms 7228 KB Output is correct
21 Correct 0 ms 7228 KB Output is correct
22 Correct 0 ms 7228 KB Output is correct
23 Correct 0 ms 7228 KB Output is correct
24 Runtime error 0 ms 7228 KB Execution killed because of forbidden syscall writev (20)
25 Halted 0 ms 0 KB -

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 7228 KB Output is correct
2 Correct 0 ms 7228 KB Output is correct
3 Correct 0 ms 7228 KB Output is correct
4 Correct 0 ms 7228 KB Output is correct
5 Correct 0 ms 7228 KB Output is correct
6 Correct 0 ms 7228 KB Output is correct
7 Correct 0 ms 7228 KB Output is correct
8 Correct 0 ms 7228 KB Output is correct
9 Correct 0 ms 7228 KB Output is correct
10 Correct 0 ms 7228 KB Output is correct
11 Correct 0 ms 7228 KB Output is correct
12 Correct 0 ms 7228 KB Output is correct
13 Correct 0 ms 7228 KB Output is correct
14 Correct 0 ms 7228 KB Output is correct
15 Correct 0 ms 7228 KB Output is correct
16 Correct 0 ms 7228 KB Output is correct
17 Correct 0 ms 7228 KB Output is correct
18 Correct 0 ms 7228 KB Output is correct
19 Correct 0 ms 7228 KB Output is correct
20 Correct 0 ms 7228 KB Output is correct
21 Correct 0 ms 7228 KB Output is correct
22 Correct 0 ms 7228 KB Output is correct
23 Correct 0 ms 7228 KB Output is correct
24 Runtime error 0 ms 7228 KB Execution killed because of forbidden syscall writev (20)
25 Halted 0 ms 0 KB -