oj.uz

Submission #38787

# Submission time Handle Problem Language Result Execution time Memory
38787 2018-01-06T14:48:25 Z DenXman111 Bootfall (IZhO17_bootfall) C++14
13 / 100
 99 ms 7232 KB 
#include <iostream>
#include <cstdio>
#include <algorithm>
#include <iostream>
#include <cstdio>
#include <algorithm>
#include <cmath>
#include <map>
#include <vector>
#include <cstring>
#include <iomanip>
#include <set>
#include <sstream>
#include <ctime>

#define rust(a, b, c, d) sqrt(sqr(a - c) + sqr(b - d))
#define sqr(a) (a)*(a)
#define p_b push_back
#define m_p make_pair
#define fi first
#define se second
#define endl "\n"

typedef long long ll;
typedef long double ld;
const int MAXINT = 2147483640;
const ll MAXLL = 9223372036854775800LL;
const ll MAXN = 323456;
const ll MOD = 1000000123;
const ll MAXANS = 1000000007;
using namespace std;

int a[MAXN], ans[MAXN], dp[MAXN], d[MAXN];
int main()
{

    ios_base::sync_with_stdio(false);
    cin.tie(0);
    srand(time(0));
    int n, i, j, sum = 0, x;
    cin >> n;
    dp[0] = 1;
    for (i = 1; i <= n; i++){
        cin >> a[i];
        sum += a[i];
        for (j = 250000; j >= 0; j--) (dp[j + a[i]] += dp[j]) %= MOD;
    }
    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] - MOD) %= MOD;
            x = sum - j - a[i] - j;
            if (x < 0) x *= -1;
            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.p_b(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:63:19: 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 7232 KB Output is correct
2 Correct 3 ms 7232 KB Output is correct
3 Correct 0 ms 7232 KB Output is correct
4 Correct 3 ms 7232 KB Output is correct
5 Correct 9 ms 7232 KB Output is correct
6 Correct 6 ms 7232 KB Output is correct
7 Correct 3 ms 7232 KB Output is correct
8 Correct 13 ms 7232 KB Output is correct
9 Correct 9 ms 7232 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 7232 KB Output is correct
2 Correct 3 ms 7232 KB Output is correct
3 Correct 0 ms 7232 KB Output is correct
4 Correct 3 ms 7232 KB Output is correct
5 Correct 9 ms 7232 KB Output is correct
6 Correct 6 ms 7232 KB Output is correct
7 Correct 3 ms 7232 KB Output is correct
8 Correct 13 ms 7232 KB Output is correct
9 Correct 9 ms 7232 KB Output is correct
10 Correct 19 ms 7232 KB Output is correct
11 Correct 16 ms 7232 KB Output is correct
12 Correct 19 ms 7232 KB Output is correct
13 Correct 19 ms 7232 KB Output is correct
14 Correct 19 ms 7232 KB Output is correct
15 Correct 23 ms 7232 KB Output is correct
16 Correct 23 ms 7232 KB Output is correct
17 Correct 13 ms 7232 KB Output is correct
18 Correct 23 ms 7232 KB Output is correct
19 Correct 19 ms 7232 KB Output is correct
20 Correct 26 ms 7232 KB Output is correct

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 7232 KB Output is correct
2 Correct 3 ms 7232 KB Output is correct
3 Correct 0 ms 7232 KB Output is correct
4 Correct 3 ms 7232 KB Output is correct
5 Correct 9 ms 7232 KB Output is correct
6 Correct 6 ms 7232 KB Output is correct
7 Correct 3 ms 7232 KB Output is correct
8 Correct 13 ms 7232 KB Output is correct
9 Correct 9 ms 7232 KB Output is correct
10 Correct 19 ms 7232 KB Output is correct
11 Correct 16 ms 7232 KB Output is correct
12 Correct 19 ms 7232 KB Output is correct
13 Correct 19 ms 7232 KB Output is correct
14 Correct 19 ms 7232 KB Output is correct
15 Correct 23 ms 7232 KB Output is correct
16 Correct 23 ms 7232 KB Output is correct
17 Correct 13 ms 7232 KB Output is correct
18 Correct 23 ms 7232 KB Output is correct
19 Correct 19 ms 7232 KB Output is correct
20 Correct 26 ms 7232 KB Output is correct
21 Correct 69 ms 7232 KB Output is correct
22 Correct 56 ms 7232 KB Output is correct
23 Correct 39 ms 7232 KB Output is correct
24 Runtime error 99 ms 7232 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 7232 KB Output is correct
2 Correct 3 ms 7232 KB Output is correct
3 Correct 0 ms 7232 KB Output is correct
4 Correct 3 ms 7232 KB Output is correct
5 Correct 9 ms 7232 KB Output is correct
6 Correct 6 ms 7232 KB Output is correct
7 Correct 3 ms 7232 KB Output is correct
8 Correct 13 ms 7232 KB Output is correct
9 Correct 9 ms 7232 KB Output is correct
10 Correct 19 ms 7232 KB Output is correct
11 Correct 16 ms 7232 KB Output is correct
12 Correct 19 ms 7232 KB Output is correct
13 Correct 19 ms 7232 KB Output is correct
14 Correct 19 ms 7232 KB Output is correct
15 Correct 23 ms 7232 KB Output is correct
16 Correct 23 ms 7232 KB Output is correct
17 Correct 13 ms 7232 KB Output is correct
18 Correct 23 ms 7232 KB Output is correct
19 Correct 19 ms 7232 KB Output is correct
20 Correct 26 ms 7232 KB Output is correct
21 Correct 69 ms 7232 KB Output is correct
22 Correct 56 ms 7232 KB Output is correct
23 Correct 39 ms 7232 KB Output is correct
24 Runtime error 99 ms 7232 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 7232 KB Output is correct
2 Correct 3 ms 7232 KB Output is correct
3 Correct 0 ms 7232 KB Output is correct
4 Correct 3 ms 7232 KB Output is correct
5 Correct 9 ms 7232 KB Output is correct
6 Correct 6 ms 7232 KB Output is correct
7 Correct 3 ms 7232 KB Output is correct
8 Correct 13 ms 7232 KB Output is correct
9 Correct 9 ms 7232 KB Output is correct
10 Correct 19 ms 7232 KB Output is correct
11 Correct 16 ms 7232 KB Output is correct
12 Correct 19 ms 7232 KB Output is correct
13 Correct 19 ms 7232 KB Output is correct
14 Correct 19 ms 7232 KB Output is correct
15 Correct 23 ms 7232 KB Output is correct
16 Correct 23 ms 7232 KB Output is correct
17 Correct 13 ms 7232 KB Output is correct
18 Correct 23 ms 7232 KB Output is correct
19 Correct 19 ms 7232 KB Output is correct
20 Correct 26 ms 7232 KB Output is correct
21 Correct 69 ms 7232 KB Output is correct
22 Correct 56 ms 7232 KB Output is correct
23 Correct 39 ms 7232 KB Output is correct
24 Runtime error 99 ms 7232 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 7232 KB Output is correct
2 Correct 3 ms 7232 KB Output is correct
3 Correct 0 ms 7232 KB Output is correct
4 Correct 3 ms 7232 KB Output is correct
5 Correct 9 ms 7232 KB Output is correct
6 Correct 6 ms 7232 KB Output is correct
7 Correct 3 ms 7232 KB Output is correct
8 Correct 13 ms 7232 KB Output is correct
9 Correct 9 ms 7232 KB Output is correct
10 Correct 19 ms 7232 KB Output is correct
11 Correct 16 ms 7232 KB Output is correct
12 Correct 19 ms 7232 KB Output is correct
13 Correct 19 ms 7232 KB Output is correct
14 Correct 19 ms 7232 KB Output is correct
15 Correct 23 ms 7232 KB Output is correct
16 Correct 23 ms 7232 KB Output is correct
17 Correct 13 ms 7232 KB Output is correct
18 Correct 23 ms 7232 KB Output is correct
19 Correct 19 ms 7232 KB Output is correct
20 Correct 26 ms 7232 KB Output is correct
21 Correct 69 ms 7232 KB Output is correct
22 Correct 56 ms 7232 KB Output is correct
23 Correct 39 ms 7232 KB Output is correct
24 Runtime error 99 ms 7232 KB Execution killed because of forbidden syscall writev (20)
25 Halted 0 ms 0 KB -