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Submission #1029927

# Submission time Handle Problem Language Result Execution time Memory
1029927 2024-07-21T14:01:17 Z andrewp Bootfall (IZhO17_bootfall) C++14
13 / 100
 63 ms 6236 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;

ll n, a[mxN], dp[mxN*mxN][2], brM[mxN*mxN];

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

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

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 6104 KB Output is correct
2 Correct 11 ms 5976 KB Output is correct
3 Correct 4 ms 6100 KB Output is correct
4 Correct 5 ms 5980 KB Output is correct
5 Correct 10 ms 6108 KB Output is correct
6 Correct 9 ms 5980 KB Output is correct
7 Correct 7 ms 5976 KB Output is correct
8 Correct 9 ms 6232 KB Output is correct
9 Correct 14 ms 5980 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 6104 KB Output is correct
2 Correct 11 ms 5976 KB Output is correct
3 Correct 4 ms 6100 KB Output is correct
4 Correct 5 ms 5980 KB Output is correct
5 Correct 10 ms 6108 KB Output is correct
6 Correct 9 ms 5980 KB Output is correct
7 Correct 7 ms 5976 KB Output is correct
8 Correct 9 ms 6232 KB Output is correct
9 Correct 14 ms 5980 KB Output is correct
10 Correct 21 ms 6096 KB Output is correct
11 Correct 32 ms 5976 KB Output is correct
12 Correct 22 ms 5976 KB Output is correct
13 Correct 30 ms 4184 KB Output is correct
14 Correct 30 ms 6236 KB Output is correct
15 Correct 19 ms 4184 KB Output is correct
16 Correct 35 ms 4436 KB Output is correct
17 Correct 15 ms 4188 KB Output is correct
18 Correct 25 ms 4424 KB Output is correct
19 Correct 19 ms 5980 KB Output is correct
20 Correct 26 ms 4436 KB Output is correct

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 6104 KB Output is correct
2 Correct 11 ms 5976 KB Output is correct
3 Correct 4 ms 6100 KB Output is correct
4 Correct 5 ms 5980 KB Output is correct
5 Correct 10 ms 6108 KB Output is correct
6 Correct 9 ms 5980 KB Output is correct
7 Correct 7 ms 5976 KB Output is correct
8 Correct 9 ms 6232 KB Output is correct
9 Correct 14 ms 5980 KB Output is correct
10 Correct 21 ms 6096 KB Output is correct
11 Correct 32 ms 5976 KB Output is correct
12 Correct 22 ms 5976 KB Output is correct
13 Correct 30 ms 4184 KB Output is correct
14 Correct 30 ms 6236 KB Output is correct
15 Correct 19 ms 4184 KB Output is correct
16 Correct 35 ms 4436 KB Output is correct
17 Correct 15 ms 4188 KB Output is correct
18 Correct 25 ms 4424 KB Output is correct
19 Correct 19 ms 5980 KB Output is correct
20 Correct 26 ms 4436 KB Output is correct
21 Correct 47 ms 4444 KB Output is correct
22 Incorrect 63 ms 4448 KB Output isn't correct
23 Halted 0 ms 0 KB -

Subtask #4
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 6104 KB Output is correct
2 Correct 11 ms 5976 KB Output is correct
3 Correct 4 ms 6100 KB Output is correct
4 Correct 5 ms 5980 KB Output is correct
5 Correct 10 ms 6108 KB Output is correct
6 Correct 9 ms 5980 KB Output is correct
7 Correct 7 ms 5976 KB Output is correct
8 Correct 9 ms 6232 KB Output is correct
9 Correct 14 ms 5980 KB Output is correct
10 Correct 21 ms 6096 KB Output is correct
11 Correct 32 ms 5976 KB Output is correct
12 Correct 22 ms 5976 KB Output is correct
13 Correct 30 ms 4184 KB Output is correct
14 Correct 30 ms 6236 KB Output is correct
15 Correct 19 ms 4184 KB Output is correct
16 Correct 35 ms 4436 KB Output is correct
17 Correct 15 ms 4188 KB Output is correct
18 Correct 25 ms 4424 KB Output is correct
19 Correct 19 ms 5980 KB Output is correct
20 Correct 26 ms 4436 KB Output is correct
21 Correct 47 ms 4444 KB Output is correct
22 Incorrect 63 ms 4448 KB Output isn't correct
23 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 6104 KB Output is correct
2 Correct 11 ms 5976 KB Output is correct
3 Correct 4 ms 6100 KB Output is correct
4 Correct 5 ms 5980 KB Output is correct
5 Correct 10 ms 6108 KB Output is correct
6 Correct 9 ms 5980 KB Output is correct
7 Correct 7 ms 5976 KB Output is correct
8 Correct 9 ms 6232 KB Output is correct
9 Correct 14 ms 5980 KB Output is correct
10 Correct 21 ms 6096 KB Output is correct
11 Correct 32 ms 5976 KB Output is correct
12 Correct 22 ms 5976 KB Output is correct
13 Correct 30 ms 4184 KB Output is correct
14 Correct 30 ms 6236 KB Output is correct
15 Correct 19 ms 4184 KB Output is correct
16 Correct 35 ms 4436 KB Output is correct
17 Correct 15 ms 4188 KB Output is correct
18 Correct 25 ms 4424 KB Output is correct
19 Correct 19 ms 5980 KB Output is correct
20 Correct 26 ms 4436 KB Output is correct
21 Correct 47 ms 4444 KB Output is correct
22 Incorrect 63 ms 4448 KB Output isn't correct
23 Halted 0 ms 0 KB -

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 6104 KB Output is correct
2 Correct 11 ms 5976 KB Output is correct
3 Correct 4 ms 6100 KB Output is correct
4 Correct 5 ms 5980 KB Output is correct
5 Correct 10 ms 6108 KB Output is correct
6 Correct 9 ms 5980 KB Output is correct
7 Correct 7 ms 5976 KB Output is correct
8 Correct 9 ms 6232 KB Output is correct
9 Correct 14 ms 5980 KB Output is correct
10 Correct 21 ms 6096 KB Output is correct
11 Correct 32 ms 5976 KB Output is correct
12 Correct 22 ms 5976 KB Output is correct
13 Correct 30 ms 4184 KB Output is correct
14 Correct 30 ms 6236 KB Output is correct
15 Correct 19 ms 4184 KB Output is correct
16 Correct 35 ms 4436 KB Output is correct
17 Correct 15 ms 4188 KB Output is correct
18 Correct 25 ms 4424 KB Output is correct
19 Correct 19 ms 5980 KB Output is correct
20 Correct 26 ms 4436 KB Output is correct
21 Correct 47 ms 4444 KB Output is correct
22 Incorrect 63 ms 4448 KB Output isn't correct
23 Halted 0 ms 0 KB -