답안 #1022406

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1022406 2024-07-13T13:08:55 Z phoenix Bootfall (IZhO17_bootfall) C++17
44 / 100
852 ms 3208 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;
 
int lim = 0;
mint<MOD1> dp1[A]{1};
mint<MOD2> dp2[A]{1};
mint<MOD2> dp3[A]{1};
mint<MOD2> dp4[A]{1};
int sum = 0;
 
void add(int val) {
    sum += val;
    for (int i = lim; i >= val; i--) {
        dp1[i] += dp1[i - val];
        dp2[i] += dp2[i - val];
        dp3[i] += dp3[i - val];
        dp4[i] += dp4[i - val];
    }   
}
 
bool check(int sum) {
    if (sum < 0 && sum > lim) return 0;
    bool flag = true;
    flag &= (dp1[sum].v > 0);
    flag &= (dp2[sum].v > 0);
    flag &= (dp3[sum].v > 0);
    flag &= (dp4[sum].v > 0);
    return flag;
}
 
void del(int val) {
    sum -= val;
    for (int i = val; i <= lim; i++) {
        dp1[i] -= dp1[i - val];
        dp2[i] -= dp2[i - val];
        dp3[i] -= dp3[i - val];
        dp4[i] -= dp4[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];
        lim += 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 <= lim; s++) {
            if (check(s)) {
                cnt[abs(2 * s - sum)]++;
            }
        }
    }
    vector<int> res;
    for (int i = 1; i <= lim; i++) {
        if (cnt[i] == 2 * n) 
            res.push_back(i);
    }
    cout << (int)res.size() << '\n';
    for (int c : res) cout << c << ' ';
}
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 600 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 484 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 484 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 600 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 484 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 484 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 600 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 484 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 484 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 5 ms 348 KB Output is correct
22 Correct 5 ms 552 KB Output is correct
23 Correct 3 ms 344 KB Output is correct
24 Correct 10 ms 568 KB Output is correct
25 Correct 19 ms 604 KB Output is correct
26 Correct 20 ms 604 KB Output is correct
27 Correct 18 ms 600 KB Output is correct
28 Correct 20 ms 604 KB Output is correct
29 Correct 20 ms 680 KB Output is correct
30 Correct 12 ms 348 KB Output is correct
31 Correct 16 ms 604 KB Output is correct
32 Correct 10 ms 600 KB Output is correct
33 Correct 21 ms 604 KB Output is correct
34 Correct 21 ms 604 KB Output is correct
35 Correct 21 ms 604 KB Output is correct
36 Correct 10 ms 604 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 600 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 484 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 484 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 5 ms 348 KB Output is correct
22 Correct 5 ms 552 KB Output is correct
23 Correct 3 ms 344 KB Output is correct
24 Correct 10 ms 568 KB Output is correct
25 Correct 19 ms 604 KB Output is correct
26 Correct 20 ms 604 KB Output is correct
27 Correct 18 ms 600 KB Output is correct
28 Correct 20 ms 604 KB Output is correct
29 Correct 20 ms 680 KB Output is correct
30 Correct 12 ms 348 KB Output is correct
31 Correct 16 ms 604 KB Output is correct
32 Correct 10 ms 600 KB Output is correct
33 Correct 21 ms 604 KB Output is correct
34 Correct 21 ms 604 KB Output is correct
35 Correct 21 ms 604 KB Output is correct
36 Correct 10 ms 604 KB Output is correct
37 Correct 81 ms 836 KB Output is correct
38 Correct 84 ms 1104 KB Output is correct
39 Correct 314 ms 1616 KB Output is correct
40 Correct 184 ms 1112 KB Output is correct
41 Correct 401 ms 1872 KB Output is correct
42 Correct 157 ms 1108 KB Output is correct
43 Correct 287 ms 1832 KB Output is correct
44 Correct 288 ms 1876 KB Output is correct
45 Correct 298 ms 1872 KB Output is correct
46 Correct 175 ms 860 KB Output is correct
47 Correct 168 ms 1236 KB Output is correct
48 Correct 321 ms 1872 KB Output is correct
49 Correct 329 ms 1616 KB Output is correct
50 Correct 169 ms 1104 KB Output is correct
51 Correct 49 ms 856 KB Output is correct
52 Correct 396 ms 2084 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 600 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 484 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 484 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 5 ms 348 KB Output is correct
22 Correct 5 ms 552 KB Output is correct
23 Correct 3 ms 344 KB Output is correct
24 Correct 10 ms 568 KB Output is correct
25 Correct 19 ms 604 KB Output is correct
26 Correct 20 ms 604 KB Output is correct
27 Correct 18 ms 600 KB Output is correct
28 Correct 20 ms 604 KB Output is correct
29 Correct 20 ms 680 KB Output is correct
30 Correct 12 ms 348 KB Output is correct
31 Correct 16 ms 604 KB Output is correct
32 Correct 10 ms 600 KB Output is correct
33 Correct 21 ms 604 KB Output is correct
34 Correct 21 ms 604 KB Output is correct
35 Correct 21 ms 604 KB Output is correct
36 Correct 10 ms 604 KB Output is correct
37 Correct 81 ms 836 KB Output is correct
38 Correct 84 ms 1104 KB Output is correct
39 Correct 314 ms 1616 KB Output is correct
40 Correct 184 ms 1112 KB Output is correct
41 Correct 401 ms 1872 KB Output is correct
42 Correct 157 ms 1108 KB Output is correct
43 Correct 287 ms 1832 KB Output is correct
44 Correct 288 ms 1876 KB Output is correct
45 Correct 298 ms 1872 KB Output is correct
46 Correct 175 ms 860 KB Output is correct
47 Correct 168 ms 1236 KB Output is correct
48 Correct 321 ms 1872 KB Output is correct
49 Correct 329 ms 1616 KB Output is correct
50 Correct 169 ms 1104 KB Output is correct
51 Correct 49 ms 856 KB Output is correct
52 Correct 396 ms 2084 KB Output is correct
53 Correct 291 ms 1700 KB Output is correct
54 Correct 400 ms 1876 KB Output is correct
55 Correct 802 ms 3012 KB Output is correct
56 Correct 352 ms 1856 KB Output is correct
57 Correct 852 ms 3208 KB Output is correct
58 Correct 462 ms 1872 KB Output is correct
59 Incorrect 556 ms 2520 KB Output isn't correct
60 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 600 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 484 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 484 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 5 ms 348 KB Output is correct
22 Correct 5 ms 552 KB Output is correct
23 Correct 3 ms 344 KB Output is correct
24 Correct 10 ms 568 KB Output is correct
25 Correct 19 ms 604 KB Output is correct
26 Correct 20 ms 604 KB Output is correct
27 Correct 18 ms 600 KB Output is correct
28 Correct 20 ms 604 KB Output is correct
29 Correct 20 ms 680 KB Output is correct
30 Correct 12 ms 348 KB Output is correct
31 Correct 16 ms 604 KB Output is correct
32 Correct 10 ms 600 KB Output is correct
33 Correct 21 ms 604 KB Output is correct
34 Correct 21 ms 604 KB Output is correct
35 Correct 21 ms 604 KB Output is correct
36 Correct 10 ms 604 KB Output is correct
37 Correct 81 ms 836 KB Output is correct
38 Correct 84 ms 1104 KB Output is correct
39 Correct 314 ms 1616 KB Output is correct
40 Correct 184 ms 1112 KB Output is correct
41 Correct 401 ms 1872 KB Output is correct
42 Correct 157 ms 1108 KB Output is correct
43 Correct 287 ms 1832 KB Output is correct
44 Correct 288 ms 1876 KB Output is correct
45 Correct 298 ms 1872 KB Output is correct
46 Correct 175 ms 860 KB Output is correct
47 Correct 168 ms 1236 KB Output is correct
48 Correct 321 ms 1872 KB Output is correct
49 Correct 329 ms 1616 KB Output is correct
50 Correct 169 ms 1104 KB Output is correct
51 Correct 49 ms 856 KB Output is correct
52 Correct 396 ms 2084 KB Output is correct
53 Correct 291 ms 1700 KB Output is correct
54 Correct 400 ms 1876 KB Output is correct
55 Correct 802 ms 3012 KB Output is correct
56 Correct 352 ms 1856 KB Output is correct
57 Correct 852 ms 3208 KB Output is correct
58 Correct 462 ms 1872 KB Output is correct
59 Incorrect 556 ms 2520 KB Output isn't correct
60 Halted 0 ms 0 KB -