oj.uz

답안 #1029924

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1029924 2024-07-21T13:57:08 Z andrewp Bootfall (IZhO17_bootfall) C++14
13 / 100
 37 ms 3672 KB 
#include <bits/stdc++.h>

using namespace std;

#define ll int64_t
#define ar array
#define dbg(x) cerr << #x << ": " << x << "\n";

const int mxN=5e2+3;

int n, a[mxN], dp[mxN*mxN][2];

int main() {
    ios::sync_with_stdio(0);
	cin.tie(0);

    cin >> n;
    int sum=0;
    for(int i=1; i<=n; ++i) {
        cin >> a[i];
        sum+=a[i];
    }
    dp[0][0]=1;
    for(int i=1; i<=n; ++i) {
        for(int s=mxN*mxN-1; s>=a[i]; --s) {
            dp[s][0]+=dp[s-a[i]][0];
        }
    }
    if(sum%2==1) {
        cout << 0 << "\n";
        return 0;
    }
    if(dp[sum/2][0]==0) {
        cout << 0 << "\n";
        return 0;
    }
    vector<int> brM(mxN*mxN, 0);
    for(int i=1; i<=n; ++i) {
        for(int s=0; s<mxN*mxN; ++s) {
            dp[s][1]=dp[s][0];
        }
        for(int s=0; s<mxN*mxN-a[i]; ++s) {
            dp[s+a[i]][1]-=dp[s][1];
        }
        for(int s=0; s<mxN*mxN; ++s) {
            int get=s+sum-a[i];
            if(get%2==0&&get/2>=s&&dp[get/2-s][1]>0) {
                ++brM[s];
            }
        }
    }
    vector<int> ans;
    for(int s=0; s<mxN*mxN; ++s) {
        if(brM[s]==n) ans.push_back(s);
    }
    cout << ans.size() << "\n";
    for(int x:ans) cout << x << " ";
    cout << "\n";
    return 0;
}

Subtask #1
6.0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 3420 KB Output is correct
2 Correct 5 ms 3420 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 4 ms 3420 KB Output is correct
5 Correct 8 ms 3420 KB Output is correct
6 Correct 8 ms 3416 KB Output is correct
7 Correct 8 ms 3420 KB Output is correct
8 Correct 10 ms 3420 KB Output is correct
9 Correct 7 ms 3416 KB Output is correct

Subtask #2
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 3420 KB Output is correct
2 Correct 5 ms 3420 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 4 ms 3420 KB Output is correct
5 Correct 8 ms 3420 KB Output is correct
6 Correct 8 ms 3416 KB Output is correct
7 Correct 8 ms 3420 KB Output is correct
8 Correct 10 ms 3420 KB Output is correct
9 Correct 7 ms 3416 KB Output is correct
10 Correct 22 ms 3420 KB Output is correct
11 Correct 19 ms 3420 KB Output is correct
12 Correct 23 ms 3420 KB Output is correct
13 Correct 23 ms 3212 KB Output is correct
14 Correct 17 ms 3444 KB Output is correct
15 Correct 18 ms 3420 KB Output is correct
16 Correct 24 ms 3204 KB Output is correct
17 Correct 18 ms 3672 KB Output is correct
18 Correct 15 ms 3420 KB Output is correct
19 Correct 21 ms 3212 KB Output is correct
20 Correct 29 ms 3420 KB Output is correct

Subtask #3
0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 3420 KB Output is correct
2 Correct 5 ms 3420 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 4 ms 3420 KB Output is correct
5 Correct 8 ms 3420 KB Output is correct
6 Correct 8 ms 3416 KB Output is correct
7 Correct 8 ms 3420 KB Output is correct
8 Correct 10 ms 3420 KB Output is correct
9 Correct 7 ms 3416 KB Output is correct
10 Correct 22 ms 3420 KB Output is correct
11 Correct 19 ms 3420 KB Output is correct
12 Correct 23 ms 3420 KB Output is correct
13 Correct 23 ms 3212 KB Output is correct
14 Correct 17 ms 3444 KB Output is correct
15 Correct 18 ms 3420 KB Output is correct
16 Correct 24 ms 3204 KB Output is correct
17 Correct 18 ms 3672 KB Output is correct
18 Correct 15 ms 3420 KB Output is correct
19 Correct 21 ms 3212 KB Output is correct
20 Correct 29 ms 3420 KB Output is correct
21 Incorrect 37 ms 3276 KB Output isn't correct
22 Halted 0 ms 0 KB -

Subtask #4
0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 3420 KB Output is correct
2 Correct 5 ms 3420 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 4 ms 3420 KB Output is correct
5 Correct 8 ms 3420 KB Output is correct
6 Correct 8 ms 3416 KB Output is correct
7 Correct 8 ms 3420 KB Output is correct
8 Correct 10 ms 3420 KB Output is correct
9 Correct 7 ms 3416 KB Output is correct
10 Correct 22 ms 3420 KB Output is correct
11 Correct 19 ms 3420 KB Output is correct
12 Correct 23 ms 3420 KB Output is correct
13 Correct 23 ms 3212 KB Output is correct
14 Correct 17 ms 3444 KB Output is correct
15 Correct 18 ms 3420 KB Output is correct
16 Correct 24 ms 3204 KB Output is correct
17 Correct 18 ms 3672 KB Output is correct
18 Correct 15 ms 3420 KB Output is correct
19 Correct 21 ms 3212 KB Output is correct
20 Correct 29 ms 3420 KB Output is correct
21 Incorrect 37 ms 3276 KB Output isn't correct
22 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 3420 KB Output is correct
2 Correct 5 ms 3420 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 4 ms 3420 KB Output is correct
5 Correct 8 ms 3420 KB Output is correct
6 Correct 8 ms 3416 KB Output is correct
7 Correct 8 ms 3420 KB Output is correct
8 Correct 10 ms 3420 KB Output is correct
9 Correct 7 ms 3416 KB Output is correct
10 Correct 22 ms 3420 KB Output is correct
11 Correct 19 ms 3420 KB Output is correct
12 Correct 23 ms 3420 KB Output is correct
13 Correct 23 ms 3212 KB Output is correct
14 Correct 17 ms 3444 KB Output is correct
15 Correct 18 ms 3420 KB Output is correct
16 Correct 24 ms 3204 KB Output is correct
17 Correct 18 ms 3672 KB Output is correct
18 Correct 15 ms 3420 KB Output is correct
19 Correct 21 ms 3212 KB Output is correct
20 Correct 29 ms 3420 KB Output is correct
21 Incorrect 37 ms 3276 KB Output isn't correct
22 Halted 0 ms 0 KB -

Subtask #6
0 / 35.0

# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 3420 KB Output is correct
2 Correct 5 ms 3420 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 4 ms 3420 KB Output is correct
5 Correct 8 ms 3420 KB Output is correct
6 Correct 8 ms 3416 KB Output is correct
7 Correct 8 ms 3420 KB Output is correct
8 Correct 10 ms 3420 KB Output is correct
9 Correct 7 ms 3416 KB Output is correct
10 Correct 22 ms 3420 KB Output is correct
11 Correct 19 ms 3420 KB Output is correct
12 Correct 23 ms 3420 KB Output is correct
13 Correct 23 ms 3212 KB Output is correct
14 Correct 17 ms 3444 KB Output is correct
15 Correct 18 ms 3420 KB Output is correct
16 Correct 24 ms 3204 KB Output is correct
17 Correct 18 ms 3672 KB Output is correct
18 Correct 15 ms 3420 KB Output is correct
19 Correct 21 ms 3212 KB Output is correct
20 Correct 29 ms 3420 KB Output is correct
21 Incorrect 37 ms 3276 KB Output isn't correct
22 Halted 0 ms 0 KB -