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Submission #522887

# Submission time Handle Problem Language Result Execution time Memory
522887 2022-02-06T09:55:55 Z Nursik Bootfall (IZhO17_bootfall) C++14
13 / 100
 92 ms 7372 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 10 ms 7244 KB Output is correct
2 Correct 14 ms 7244 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 12 ms 7340 KB Output is correct
5 Correct 18 ms 7336 KB Output is correct
6 Correct 13 ms 7340 KB Output is correct
7 Correct 10 ms 7344 KB Output is correct
8 Correct 18 ms 7340 KB Output is correct
9 Correct 14 ms 7244 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 7244 KB Output is correct
2 Correct 14 ms 7244 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 12 ms 7340 KB Output is correct
5 Correct 18 ms 7336 KB Output is correct
6 Correct 13 ms 7340 KB Output is correct
7 Correct 10 ms 7344 KB Output is correct
8 Correct 18 ms 7340 KB Output is correct
9 Correct 14 ms 7244 KB Output is correct
10 Correct 33 ms 7300 KB Output is correct
11 Correct 38 ms 7320 KB Output is correct
12 Correct 36 ms 7324 KB Output is correct
13 Correct 40 ms 7320 KB Output is correct
14 Correct 33 ms 7316 KB Output is correct
15 Correct 33 ms 7220 KB Output is correct
16 Correct 35 ms 7304 KB Output is correct
17 Correct 22 ms 7244 KB Output is correct
18 Correct 28 ms 7244 KB Output is correct
19 Correct 29 ms 7372 KB Output is correct
20 Correct 33 ms 7244 KB Output is correct

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 7244 KB Output is correct
2 Correct 14 ms 7244 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 12 ms 7340 KB Output is correct
5 Correct 18 ms 7336 KB Output is correct
6 Correct 13 ms 7340 KB Output is correct
7 Correct 10 ms 7344 KB Output is correct
8 Correct 18 ms 7340 KB Output is correct
9 Correct 14 ms 7244 KB Output is correct
10 Correct 33 ms 7300 KB Output is correct
11 Correct 38 ms 7320 KB Output is correct
12 Correct 36 ms 7324 KB Output is correct
13 Correct 40 ms 7320 KB Output is correct
14 Correct 33 ms 7316 KB Output is correct
15 Correct 33 ms 7220 KB Output is correct
16 Correct 35 ms 7304 KB Output is correct
17 Correct 22 ms 7244 KB Output is correct
18 Correct 28 ms 7244 KB Output is correct
19 Correct 29 ms 7372 KB Output is correct
20 Correct 33 ms 7244 KB Output is correct
21 Correct 65 ms 7244 KB Output is correct
22 Incorrect 92 ms 7332 KB Output isn't correct
23 Halted 0 ms 0 KB -

Subtask #4
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 7244 KB Output is correct
2 Correct 14 ms 7244 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 12 ms 7340 KB Output is correct
5 Correct 18 ms 7336 KB Output is correct
6 Correct 13 ms 7340 KB Output is correct
7 Correct 10 ms 7344 KB Output is correct
8 Correct 18 ms 7340 KB Output is correct
9 Correct 14 ms 7244 KB Output is correct
10 Correct 33 ms 7300 KB Output is correct
11 Correct 38 ms 7320 KB Output is correct
12 Correct 36 ms 7324 KB Output is correct
13 Correct 40 ms 7320 KB Output is correct
14 Correct 33 ms 7316 KB Output is correct
15 Correct 33 ms 7220 KB Output is correct
16 Correct 35 ms 7304 KB Output is correct
17 Correct 22 ms 7244 KB Output is correct
18 Correct 28 ms 7244 KB Output is correct
19 Correct 29 ms 7372 KB Output is correct
20 Correct 33 ms 7244 KB Output is correct
21 Correct 65 ms 7244 KB Output is correct
22 Incorrect 92 ms 7332 KB Output isn't correct
23 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 7244 KB Output is correct
2 Correct 14 ms 7244 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 12 ms 7340 KB Output is correct
5 Correct 18 ms 7336 KB Output is correct
6 Correct 13 ms 7340 KB Output is correct
7 Correct 10 ms 7344 KB Output is correct
8 Correct 18 ms 7340 KB Output is correct
9 Correct 14 ms 7244 KB Output is correct
10 Correct 33 ms 7300 KB Output is correct
11 Correct 38 ms 7320 KB Output is correct
12 Correct 36 ms 7324 KB Output is correct
13 Correct 40 ms 7320 KB Output is correct
14 Correct 33 ms 7316 KB Output is correct
15 Correct 33 ms 7220 KB Output is correct
16 Correct 35 ms 7304 KB Output is correct
17 Correct 22 ms 7244 KB Output is correct
18 Correct 28 ms 7244 KB Output is correct
19 Correct 29 ms 7372 KB Output is correct
20 Correct 33 ms 7244 KB Output is correct
21 Correct 65 ms 7244 KB Output is correct
22 Incorrect 92 ms 7332 KB Output isn't correct
23 Halted 0 ms 0 KB -

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 7244 KB Output is correct
2 Correct 14 ms 7244 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 12 ms 7340 KB Output is correct
5 Correct 18 ms 7336 KB Output is correct
6 Correct 13 ms 7340 KB Output is correct
7 Correct 10 ms 7344 KB Output is correct
8 Correct 18 ms 7340 KB Output is correct
9 Correct 14 ms 7244 KB Output is correct
10 Correct 33 ms 7300 KB Output is correct
11 Correct 38 ms 7320 KB Output is correct
12 Correct 36 ms 7324 KB Output is correct
13 Correct 40 ms 7320 KB Output is correct
14 Correct 33 ms 7316 KB Output is correct
15 Correct 33 ms 7220 KB Output is correct
16 Correct 35 ms 7304 KB Output is correct
17 Correct 22 ms 7244 KB Output is correct
18 Correct 28 ms 7244 KB Output is correct
19 Correct 29 ms 7372 KB Output is correct
20 Correct 33 ms 7244 KB Output is correct
21 Correct 65 ms 7244 KB Output is correct
22 Incorrect 92 ms 7332 KB Output isn't correct
23 Halted 0 ms 0 KB -