oj.uz

Submission #1022401

# Submission time Handle Problem Language Result Execution time Memory
1022401 2024-07-13T13:04:18 Z phoenix Bootfall (IZhO17_bootfall) C++17
44 / 100
 703 ms 2784 KB 
#include <bits/stdc++.h>
 
using namespace std;
 
const int MOD1 = 1e9 + 7;
const int MOD2 = 1e9 + 9;
const int MOD3 = 998244353;
const int MOD4 = 999990011;
 
template<unsigned int MOD> 
struct mint {
    int v;
    mint() {}
    mint(long long val) : v(val % MOD + (val < 0) * MOD) {}
    mint<MOD>& operator += (mint<MOD> other) {
        *this = mint(v + other.v);
        return *this;
    }
    mint<MOD>& operator -= (mint<MOD> other) {
        *this = mint(v - other.v);
        return *this;
    }
};
const int N = 370;
const int A = 123000;
 
mint<MOD1> dp1[A]{1};
mint<MOD2> dp2[A]{1};
mint<MOD2> dp3[A]{1};
int sum = 0;
 
void add(int val) {
    sum += val;
    for (int i = A - 1; i >= val; i--) {
        dp1[i] += dp1[i - val];
        dp2[i] += dp2[i - val];
        dp3[i] += dp3[i - val];
    }   
}
 
bool check(int sum) {
    assert(0 <= sum && sum < A);
    bool flag = true;
    flag &= (dp1[sum].v > 0);
    flag &= (dp2[sum].v > 0);
    flag &= (dp3[sum].v > 0);
    return flag;
}
 
void del(int val) {
    sum -= val;
    for (int i = val; i < A; i++) {
        dp1[i] -= dp1[i - val];
        dp2[i] -= dp2[i - val];
        dp3[i] -= dp3[i - val];
    }
}
 
int n;
int a[N];
 
int cnt[A];
 
int main() {
    ios::sync_with_stdio(0);
    cin.tie(0);
    cin >> n;
    for (int i = 0; i < n; i++)
        cin >> a[i];
    for (int i = 0; i < n; i++) {
        add(a[i]);
    }
    if (sum & 1 || !check(sum / 2)) {
        cout << 0;
        return 0;
    }
 
    for (int i = 0; i < n; i++) {
        if (i) add(a[i - 1]);
        del(a[i]);
        for (int s = 0; s < A; s++) {
            if (check(s)) {
                cnt[abs(2 * s - sum)]++;
            }
        }
    }
    vector<int> res;
    for (int i = 0; i < A; i++) {
        if (cnt[i] == 2 * n) 
            res.push_back(i);
    }
    cout << (int)res.size() << '\n';
    for (int c : res) cout << c << ' ';
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 1880 KB Output is correct
2 Correct 11 ms 1884 KB Output is correct
3 Correct 3 ms 1884 KB Output is correct
4 Correct 8 ms 1880 KB Output is correct
5 Correct 23 ms 1884 KB Output is correct
6 Correct 15 ms 1884 KB Output is correct
7 Correct 11 ms 1884 KB Output is correct
8 Correct 23 ms 1884 KB Output is correct
9 Correct 21 ms 1880 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 1880 KB Output is correct
2 Correct 11 ms 1884 KB Output is correct
3 Correct 3 ms 1884 KB Output is correct
4 Correct 8 ms 1880 KB Output is correct
5 Correct 23 ms 1884 KB Output is correct
6 Correct 15 ms 1884 KB Output is correct
7 Correct 11 ms 1884 KB Output is correct
8 Correct 23 ms 1884 KB Output is correct
9 Correct 21 ms 1880 KB Output is correct
10 Correct 54 ms 1880 KB Output is correct
11 Correct 54 ms 1884 KB Output is correct
12 Correct 54 ms 1884 KB Output is correct
13 Correct 50 ms 1884 KB Output is correct
14 Correct 55 ms 1884 KB Output is correct
15 Correct 53 ms 1884 KB Output is correct
16 Correct 55 ms 1880 KB Output is correct
17 Correct 42 ms 1884 KB Output is correct
18 Correct 46 ms 1884 KB Output is correct
19 Correct 48 ms 1884 KB Output is correct
20 Correct 55 ms 1884 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 1880 KB Output is correct
2 Correct 11 ms 1884 KB Output is correct
3 Correct 3 ms 1884 KB Output is correct
4 Correct 8 ms 1880 KB Output is correct
5 Correct 23 ms 1884 KB Output is correct
6 Correct 15 ms 1884 KB Output is correct
7 Correct 11 ms 1884 KB Output is correct
8 Correct 23 ms 1884 KB Output is correct
9 Correct 21 ms 1880 KB Output is correct
10 Correct 54 ms 1880 KB Output is correct
11 Correct 54 ms 1884 KB Output is correct
12 Correct 54 ms 1884 KB Output is correct
13 Correct 50 ms 1884 KB Output is correct
14 Correct 55 ms 1884 KB Output is correct
15 Correct 53 ms 1884 KB Output is correct
16 Correct 55 ms 1880 KB Output is correct
17 Correct 42 ms 1884 KB Output is correct
18 Correct 46 ms 1884 KB Output is correct
19 Correct 48 ms 1884 KB Output is correct
20 Correct 55 ms 1884 KB Output is correct
21 Correct 115 ms 1904 KB Output is correct
22 Correct 136 ms 1884 KB Output is correct
23 Correct 91 ms 1880 KB Output is correct
24 Correct 169 ms 1884 KB Output is correct
25 Correct 174 ms 1916 KB Output is correct
26 Correct 185 ms 1920 KB Output is correct
27 Correct 175 ms 1916 KB Output is correct
28 Correct 179 ms 1920 KB Output is correct
29 Correct 184 ms 1880 KB Output is correct
30 Correct 178 ms 1896 KB Output is correct
31 Correct 186 ms 1884 KB Output is correct
32 Correct 203 ms 2136 KB Output is correct
33 Correct 182 ms 1884 KB Output is correct
34 Correct 183 ms 1880 KB Output is correct
35 Correct 185 ms 1880 KB Output is correct
36 Correct 185 ms 1892 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 1880 KB Output is correct
2 Correct 11 ms 1884 KB Output is correct
3 Correct 3 ms 1884 KB Output is correct
4 Correct 8 ms 1880 KB Output is correct
5 Correct 23 ms 1884 KB Output is correct
6 Correct 15 ms 1884 KB Output is correct
7 Correct 11 ms 1884 KB Output is correct
8 Correct 23 ms 1884 KB Output is correct
9 Correct 21 ms 1880 KB Output is correct
10 Correct 54 ms 1880 KB Output is correct
11 Correct 54 ms 1884 KB Output is correct
12 Correct 54 ms 1884 KB Output is correct
13 Correct 50 ms 1884 KB Output is correct
14 Correct 55 ms 1884 KB Output is correct
15 Correct 53 ms 1884 KB Output is correct
16 Correct 55 ms 1880 KB Output is correct
17 Correct 42 ms 1884 KB Output is correct
18 Correct 46 ms 1884 KB Output is correct
19 Correct 48 ms 1884 KB Output is correct
20 Correct 55 ms 1884 KB Output is correct
21 Correct 115 ms 1904 KB Output is correct
22 Correct 136 ms 1884 KB Output is correct
23 Correct 91 ms 1880 KB Output is correct
24 Correct 169 ms 1884 KB Output is correct
25 Correct 174 ms 1916 KB Output is correct
26 Correct 185 ms 1920 KB Output is correct
27 Correct 175 ms 1916 KB Output is correct
28 Correct 179 ms 1920 KB Output is correct
29 Correct 184 ms 1880 KB Output is correct
30 Correct 178 ms 1896 KB Output is correct
31 Correct 186 ms 1884 KB Output is correct
32 Correct 203 ms 2136 KB Output is correct
33 Correct 182 ms 1884 KB Output is correct
34 Correct 183 ms 1880 KB Output is correct
35 Correct 185 ms 1880 KB Output is correct
36 Correct 185 ms 1892 KB Output is correct
37 Correct 372 ms 1896 KB Output is correct
38 Correct 371 ms 1888 KB Output is correct
39 Correct 443 ms 2128 KB Output is correct
40 Correct 485 ms 2132 KB Output is correct
41 Correct 480 ms 2388 KB Output is correct
42 Correct 447 ms 2136 KB Output is correct
43 Correct 452 ms 2392 KB Output is correct
44 Correct 484 ms 2384 KB Output is correct
45 Correct 462 ms 2388 KB Output is correct
46 Correct 504 ms 1884 KB Output is correct
47 Correct 457 ms 2012 KB Output is correct
48 Correct 458 ms 2384 KB Output is correct
49 Correct 490 ms 2124 KB Output is correct
50 Correct 454 ms 2156 KB Output is correct
51 Correct 158 ms 2132 KB Output is correct
52 Correct 518 ms 2388 KB Output is correct

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 1880 KB Output is correct
2 Correct 11 ms 1884 KB Output is correct
3 Correct 3 ms 1884 KB Output is correct
4 Correct 8 ms 1880 KB Output is correct
5 Correct 23 ms 1884 KB Output is correct
6 Correct 15 ms 1884 KB Output is correct
7 Correct 11 ms 1884 KB Output is correct
8 Correct 23 ms 1884 KB Output is correct
9 Correct 21 ms 1880 KB Output is correct
10 Correct 54 ms 1880 KB Output is correct
11 Correct 54 ms 1884 KB Output is correct
12 Correct 54 ms 1884 KB Output is correct
13 Correct 50 ms 1884 KB Output is correct
14 Correct 55 ms 1884 KB Output is correct
15 Correct 53 ms 1884 KB Output is correct
16 Correct 55 ms 1880 KB Output is correct
17 Correct 42 ms 1884 KB Output is correct
18 Correct 46 ms 1884 KB Output is correct
19 Correct 48 ms 1884 KB Output is correct
20 Correct 55 ms 1884 KB Output is correct
21 Correct 115 ms 1904 KB Output is correct
22 Correct 136 ms 1884 KB Output is correct
23 Correct 91 ms 1880 KB Output is correct
24 Correct 169 ms 1884 KB Output is correct
25 Correct 174 ms 1916 KB Output is correct
26 Correct 185 ms 1920 KB Output is correct
27 Correct 175 ms 1916 KB Output is correct
28 Correct 179 ms 1920 KB Output is correct
29 Correct 184 ms 1880 KB Output is correct
30 Correct 178 ms 1896 KB Output is correct
31 Correct 186 ms 1884 KB Output is correct
32 Correct 203 ms 2136 KB Output is correct
33 Correct 182 ms 1884 KB Output is correct
34 Correct 183 ms 1880 KB Output is correct
35 Correct 185 ms 1880 KB Output is correct
36 Correct 185 ms 1892 KB Output is correct
37 Correct 372 ms 1896 KB Output is correct
38 Correct 371 ms 1888 KB Output is correct
39 Correct 443 ms 2128 KB Output is correct
40 Correct 485 ms 2132 KB Output is correct
41 Correct 480 ms 2388 KB Output is correct
42 Correct 447 ms 2136 KB Output is correct
43 Correct 452 ms 2392 KB Output is correct
44 Correct 484 ms 2384 KB Output is correct
45 Correct 462 ms 2388 KB Output is correct
46 Correct 504 ms 1884 KB Output is correct
47 Correct 457 ms 2012 KB Output is correct
48 Correct 458 ms 2384 KB Output is correct
49 Correct 490 ms 2124 KB Output is correct
50 Correct 454 ms 2156 KB Output is correct
51 Correct 158 ms 2132 KB Output is correct
52 Correct 518 ms 2388 KB Output is correct
53 Correct 549 ms 2312 KB Output is correct
54 Correct 653 ms 2356 KB Output is correct
55 Correct 703 ms 2776 KB Output is correct
56 Correct 555 ms 2392 KB Output is correct
57 Correct 660 ms 2784 KB Output is correct
58 Correct 666 ms 2380 KB Output is correct
59 Incorrect 680 ms 2572 KB Output isn't correct
60 Halted 0 ms 0 KB -

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 1880 KB Output is correct
2 Correct 11 ms 1884 KB Output is correct
3 Correct 3 ms 1884 KB Output is correct
4 Correct 8 ms 1880 KB Output is correct
5 Correct 23 ms 1884 KB Output is correct
6 Correct 15 ms 1884 KB Output is correct
7 Correct 11 ms 1884 KB Output is correct
8 Correct 23 ms 1884 KB Output is correct
9 Correct 21 ms 1880 KB Output is correct
10 Correct 54 ms 1880 KB Output is correct
11 Correct 54 ms 1884 KB Output is correct
12 Correct 54 ms 1884 KB Output is correct
13 Correct 50 ms 1884 KB Output is correct
14 Correct 55 ms 1884 KB Output is correct
15 Correct 53 ms 1884 KB Output is correct
16 Correct 55 ms 1880 KB Output is correct
17 Correct 42 ms 1884 KB Output is correct
18 Correct 46 ms 1884 KB Output is correct
19 Correct 48 ms 1884 KB Output is correct
20 Correct 55 ms 1884 KB Output is correct
21 Correct 115 ms 1904 KB Output is correct
22 Correct 136 ms 1884 KB Output is correct
23 Correct 91 ms 1880 KB Output is correct
24 Correct 169 ms 1884 KB Output is correct
25 Correct 174 ms 1916 KB Output is correct
26 Correct 185 ms 1920 KB Output is correct
27 Correct 175 ms 1916 KB Output is correct
28 Correct 179 ms 1920 KB Output is correct
29 Correct 184 ms 1880 KB Output is correct
30 Correct 178 ms 1896 KB Output is correct
31 Correct 186 ms 1884 KB Output is correct
32 Correct 203 ms 2136 KB Output is correct
33 Correct 182 ms 1884 KB Output is correct
34 Correct 183 ms 1880 KB Output is correct
35 Correct 185 ms 1880 KB Output is correct
36 Correct 185 ms 1892 KB Output is correct
37 Correct 372 ms 1896 KB Output is correct
38 Correct 371 ms 1888 KB Output is correct
39 Correct 443 ms 2128 KB Output is correct
40 Correct 485 ms 2132 KB Output is correct
41 Correct 480 ms 2388 KB Output is correct
42 Correct 447 ms 2136 KB Output is correct
43 Correct 452 ms 2392 KB Output is correct
44 Correct 484 ms 2384 KB Output is correct
45 Correct 462 ms 2388 KB Output is correct
46 Correct 504 ms 1884 KB Output is correct
47 Correct 457 ms 2012 KB Output is correct
48 Correct 458 ms 2384 KB Output is correct
49 Correct 490 ms 2124 KB Output is correct
50 Correct 454 ms 2156 KB Output is correct
51 Correct 158 ms 2132 KB Output is correct
52 Correct 518 ms 2388 KB Output is correct
53 Correct 549 ms 2312 KB Output is correct
54 Correct 653 ms 2356 KB Output is correct
55 Correct 703 ms 2776 KB Output is correct
56 Correct 555 ms 2392 KB Output is correct
57 Correct 660 ms 2784 KB Output is correct
58 Correct 666 ms 2380 KB Output is correct
59 Incorrect 680 ms 2572 KB Output isn't correct
60 Halted 0 ms 0 KB -