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Submission #522888

# Submission time Handle Problem Language Result Execution time Memory
522888 2022-02-06T10:00:55 Z Nursik Bootfall (IZhO17_bootfall) C++14
13 / 100
 126 ms 7348 KB 
#include <bits/stdc++.h>

#define pb push_back
#define ll long long
#define ld long double
#define f first
#define s second
#define mp make_pair

const ll maxn = 5e2 + 1, maxm = 3e5 + 1,  maxk = 61;
const ll inf = 1000000000, mod = inf + 7, mod2 = 998244353;
const ll pa = 31, block = 400;

using namespace std;

ll n, x, y;
ll a[maxn], dp[maxm], cnt[maxm], cnt2[maxm];
int main(){
  //  ios_base::sync_with_stdio(false);
   // cin.tie(0), cout.tie(0);
    cin >> n;
    dp[0] = 1;
    for (int i = 1; i <= n; ++i){
        cin >> a[i];
        for (int j = maxm - 1; j >= 0; --j){
            if (dp[j] > 0){
                dp[j + a[i]] += dp[j];
            }
        }
        x += a[i];
    }
    if (x % 2 != 0 || dp[x / 2] == 0){
        cout << 0 << '\n';
        return 0;
    }
    for (int i = 0; i <= maxm - 1; ++i){
        cnt[i] = 1;
    }
    for (int i = 1; i <= n; ++i){
        y = x - a[i];
        for (int j = a[i]; j <= maxm - 1; ++j){
            dp[j] -= dp[j - a[i]];
        }
        for (int j = 0; j <= maxm - 1; ++j){
            if (dp[j] != 0){
                ll f = j, s = y - j;
                ll rz = abs(f - s);
                if (cnt[rz] == 1){
                    cnt2[rz] = 1;
                }
            }
        }
        for (int j = maxm - 1; j >= a[i]; --j){
            dp[j] += dp[j - a[i]];
        }
        for (int j = 0; j <= maxm - 1; ++j){
            cnt[j] = cnt2[j];
            cnt2[j] = 0;
        }
    }
    vector<int> v;
    for (int i = 1; i <= maxm - 1; ++i){
        if (cnt[i] > 0){
            v.pb(i);
        }
    }
    cout << v.size() << '\n';
    for (auto it : v){
        cout << it << " ";
    }
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 7244 KB Output is correct
2 Correct 11 ms 7244 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 10 ms 7244 KB Output is correct
5 Correct 17 ms 7340 KB Output is correct
6 Correct 13 ms 7344 KB Output is correct
7 Correct 11 ms 7344 KB Output is correct
8 Correct 16 ms 7224 KB Output is correct
9 Correct 15 ms 7348 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 7244 KB Output is correct
2 Correct 11 ms 7244 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 10 ms 7244 KB Output is correct
5 Correct 17 ms 7340 KB Output is correct
6 Correct 13 ms 7344 KB Output is correct
7 Correct 11 ms 7344 KB Output is correct
8 Correct 16 ms 7224 KB Output is correct
9 Correct 15 ms 7348 KB Output is correct
10 Correct 32 ms 7316 KB Output is correct
11 Correct 36 ms 7316 KB Output is correct
12 Correct 33 ms 7304 KB Output is correct
13 Correct 31 ms 7340 KB Output is correct
14 Correct 37 ms 7328 KB Output is correct
15 Correct 46 ms 7316 KB Output is correct
16 Correct 39 ms 7316 KB Output is correct
17 Correct 22 ms 7344 KB Output is correct
18 Correct 29 ms 7320 KB Output is correct
19 Correct 29 ms 7244 KB Output is correct
20 Correct 33 ms 7224 KB Output is correct

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 7244 KB Output is correct
2 Correct 11 ms 7244 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 10 ms 7244 KB Output is correct
5 Correct 17 ms 7340 KB Output is correct
6 Correct 13 ms 7344 KB Output is correct
7 Correct 11 ms 7344 KB Output is correct
8 Correct 16 ms 7224 KB Output is correct
9 Correct 15 ms 7348 KB Output is correct
10 Correct 32 ms 7316 KB Output is correct
11 Correct 36 ms 7316 KB Output is correct
12 Correct 33 ms 7304 KB Output is correct
13 Correct 31 ms 7340 KB Output is correct
14 Correct 37 ms 7328 KB Output is correct
15 Correct 46 ms 7316 KB Output is correct
16 Correct 39 ms 7316 KB Output is correct
17 Correct 22 ms 7344 KB Output is correct
18 Correct 29 ms 7320 KB Output is correct
19 Correct 29 ms 7244 KB Output is correct
20 Correct 33 ms 7224 KB Output is correct
21 Correct 75 ms 7316 KB Output is correct
22 Incorrect 126 ms 7224 KB Output isn't correct
23 Halted 0 ms 0 KB -

Subtask #4
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 7244 KB Output is correct
2 Correct 11 ms 7244 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 10 ms 7244 KB Output is correct
5 Correct 17 ms 7340 KB Output is correct
6 Correct 13 ms 7344 KB Output is correct
7 Correct 11 ms 7344 KB Output is correct
8 Correct 16 ms 7224 KB Output is correct
9 Correct 15 ms 7348 KB Output is correct
10 Correct 32 ms 7316 KB Output is correct
11 Correct 36 ms 7316 KB Output is correct
12 Correct 33 ms 7304 KB Output is correct
13 Correct 31 ms 7340 KB Output is correct
14 Correct 37 ms 7328 KB Output is correct
15 Correct 46 ms 7316 KB Output is correct
16 Correct 39 ms 7316 KB Output is correct
17 Correct 22 ms 7344 KB Output is correct
18 Correct 29 ms 7320 KB Output is correct
19 Correct 29 ms 7244 KB Output is correct
20 Correct 33 ms 7224 KB Output is correct
21 Correct 75 ms 7316 KB Output is correct
22 Incorrect 126 ms 7224 KB Output isn't correct
23 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 7244 KB Output is correct
2 Correct 11 ms 7244 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 10 ms 7244 KB Output is correct
5 Correct 17 ms 7340 KB Output is correct
6 Correct 13 ms 7344 KB Output is correct
7 Correct 11 ms 7344 KB Output is correct
8 Correct 16 ms 7224 KB Output is correct
9 Correct 15 ms 7348 KB Output is correct
10 Correct 32 ms 7316 KB Output is correct
11 Correct 36 ms 7316 KB Output is correct
12 Correct 33 ms 7304 KB Output is correct
13 Correct 31 ms 7340 KB Output is correct
14 Correct 37 ms 7328 KB Output is correct
15 Correct 46 ms 7316 KB Output is correct
16 Correct 39 ms 7316 KB Output is correct
17 Correct 22 ms 7344 KB Output is correct
18 Correct 29 ms 7320 KB Output is correct
19 Correct 29 ms 7244 KB Output is correct
20 Correct 33 ms 7224 KB Output is correct
21 Correct 75 ms 7316 KB Output is correct
22 Incorrect 126 ms 7224 KB Output isn't correct
23 Halted 0 ms 0 KB -

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 7244 KB Output is correct
2 Correct 11 ms 7244 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 10 ms 7244 KB Output is correct
5 Correct 17 ms 7340 KB Output is correct
6 Correct 13 ms 7344 KB Output is correct
7 Correct 11 ms 7344 KB Output is correct
8 Correct 16 ms 7224 KB Output is correct
9 Correct 15 ms 7348 KB Output is correct
10 Correct 32 ms 7316 KB Output is correct
11 Correct 36 ms 7316 KB Output is correct
12 Correct 33 ms 7304 KB Output is correct
13 Correct 31 ms 7340 KB Output is correct
14 Correct 37 ms 7328 KB Output is correct
15 Correct 46 ms 7316 KB Output is correct
16 Correct 39 ms 7316 KB Output is correct
17 Correct 22 ms 7344 KB Output is correct
18 Correct 29 ms 7320 KB Output is correct
19 Correct 29 ms 7244 KB Output is correct
20 Correct 33 ms 7224 KB Output is correct
21 Correct 75 ms 7316 KB Output is correct
22 Incorrect 126 ms 7224 KB Output isn't correct
23 Halted 0 ms 0 KB -