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Submission #526072

# Submission time Handle Problem Language Result Execution time Memory
526072 2022-02-13T16:33:31 Z TheKingAleks Bootfall (IZhO17_bootfall) C++14
13 / 100
 54 ms 2328 KB 
#include<bits/stdc++.h>
#define ll long long
using namespace std;
const ll MAX_N = 505;
const ll MAX_N2 = 255025;
ll sum,n,dp[MAX_N2],cnt[MAX_N2],a[MAX_N];
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    cin>>n;
    for(ll i=0; i<n; i++)
    {
        cin>>a[i];
        sum+=a[i];
    }
    dp[0] = 1;
    for(ll i=0; i<n; i++)
    {
        for(ll s=MAX_N2-a[i]-1; s>=0; s--)
        {
            dp[s+a[i]] += dp[s];
        }
    }
    if(sum%2 != 0 || dp[sum/2] == 0)
    {
        cout<<0<<endl;
        return 0;
    }
    for(ll i=0; i<n; i++) /// ignore i-th
    {
        for(ll s=0; s+a[i]<MAX_N2; s++)
        {
            dp[s+a[i]] -= dp[s];
        }
        sum-=a[i];
        for(ll x0=1; x0<MAX_N2; x0++)
        {
            if((sum+x0)%2 == 0)
            {
                if(dp[(sum+x0)/2] > 0)
                {
                    cnt[x0]++;
                }
            }
        }
        sum+=a[i];
        for(ll s=MAX_N2-a[i]-1; s>=0; s--)
        {
            dp[s+a[i]] += dp[s];
        }
    }
    vector<ll> res;
    for(ll x0=1; x0<MAX_N2; x0++)
    {
        if(cnt[x0] == n)
        {
            res.push_back(x0);
        }
    }
    cout<<res.size()<<endl;
    for(auto x: res) cout<<x<<" ";

}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 2252 KB Output is correct
2 Correct 7 ms 2252 KB Output is correct
3 Correct 2 ms 2252 KB Output is correct
4 Correct 5 ms 2320 KB Output is correct
5 Correct 11 ms 2252 KB Output is correct
6 Correct 8 ms 2320 KB Output is correct
7 Correct 6 ms 2252 KB Output is correct
8 Correct 11 ms 2328 KB Output is correct
9 Correct 9 ms 2320 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 2252 KB Output is correct
2 Correct 7 ms 2252 KB Output is correct
3 Correct 2 ms 2252 KB Output is correct
4 Correct 5 ms 2320 KB Output is correct
5 Correct 11 ms 2252 KB Output is correct
6 Correct 8 ms 2320 KB Output is correct
7 Correct 6 ms 2252 KB Output is correct
8 Correct 11 ms 2328 KB Output is correct
9 Correct 9 ms 2320 KB Output is correct
10 Correct 23 ms 2308 KB Output is correct
11 Correct 24 ms 2208 KB Output is correct
12 Correct 23 ms 2252 KB Output is correct
13 Correct 22 ms 2312 KB Output is correct
14 Correct 22 ms 2252 KB Output is correct
15 Correct 25 ms 2316 KB Output is correct
16 Correct 27 ms 2320 KB Output is correct
17 Correct 17 ms 2316 KB Output is correct
18 Correct 20 ms 2316 KB Output is correct
19 Correct 20 ms 2316 KB Output is correct
20 Correct 23 ms 2252 KB Output is correct

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 2252 KB Output is correct
2 Correct 7 ms 2252 KB Output is correct
3 Correct 2 ms 2252 KB Output is correct
4 Correct 5 ms 2320 KB Output is correct
5 Correct 11 ms 2252 KB Output is correct
6 Correct 8 ms 2320 KB Output is correct
7 Correct 6 ms 2252 KB Output is correct
8 Correct 11 ms 2328 KB Output is correct
9 Correct 9 ms 2320 KB Output is correct
10 Correct 23 ms 2308 KB Output is correct
11 Correct 24 ms 2208 KB Output is correct
12 Correct 23 ms 2252 KB Output is correct
13 Correct 22 ms 2312 KB Output is correct
14 Correct 22 ms 2252 KB Output is correct
15 Correct 25 ms 2316 KB Output is correct
16 Correct 27 ms 2320 KB Output is correct
17 Correct 17 ms 2316 KB Output is correct
18 Correct 20 ms 2316 KB Output is correct
19 Correct 20 ms 2316 KB Output is correct
20 Correct 23 ms 2252 KB Output is correct
21 Correct 48 ms 2320 KB Output is correct
22 Incorrect 54 ms 2324 KB Output isn't correct
23 Halted 0 ms 0 KB -

Subtask #4
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 2252 KB Output is correct
2 Correct 7 ms 2252 KB Output is correct
3 Correct 2 ms 2252 KB Output is correct
4 Correct 5 ms 2320 KB Output is correct
5 Correct 11 ms 2252 KB Output is correct
6 Correct 8 ms 2320 KB Output is correct
7 Correct 6 ms 2252 KB Output is correct
8 Correct 11 ms 2328 KB Output is correct
9 Correct 9 ms 2320 KB Output is correct
10 Correct 23 ms 2308 KB Output is correct
11 Correct 24 ms 2208 KB Output is correct
12 Correct 23 ms 2252 KB Output is correct
13 Correct 22 ms 2312 KB Output is correct
14 Correct 22 ms 2252 KB Output is correct
15 Correct 25 ms 2316 KB Output is correct
16 Correct 27 ms 2320 KB Output is correct
17 Correct 17 ms 2316 KB Output is correct
18 Correct 20 ms 2316 KB Output is correct
19 Correct 20 ms 2316 KB Output is correct
20 Correct 23 ms 2252 KB Output is correct
21 Correct 48 ms 2320 KB Output is correct
22 Incorrect 54 ms 2324 KB Output isn't correct
23 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 2252 KB Output is correct
2 Correct 7 ms 2252 KB Output is correct
3 Correct 2 ms 2252 KB Output is correct
4 Correct 5 ms 2320 KB Output is correct
5 Correct 11 ms 2252 KB Output is correct
6 Correct 8 ms 2320 KB Output is correct
7 Correct 6 ms 2252 KB Output is correct
8 Correct 11 ms 2328 KB Output is correct
9 Correct 9 ms 2320 KB Output is correct
10 Correct 23 ms 2308 KB Output is correct
11 Correct 24 ms 2208 KB Output is correct
12 Correct 23 ms 2252 KB Output is correct
13 Correct 22 ms 2312 KB Output is correct
14 Correct 22 ms 2252 KB Output is correct
15 Correct 25 ms 2316 KB Output is correct
16 Correct 27 ms 2320 KB Output is correct
17 Correct 17 ms 2316 KB Output is correct
18 Correct 20 ms 2316 KB Output is correct
19 Correct 20 ms 2316 KB Output is correct
20 Correct 23 ms 2252 KB Output is correct
21 Correct 48 ms 2320 KB Output is correct
22 Incorrect 54 ms 2324 KB Output isn't correct
23 Halted 0 ms 0 KB -

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 2252 KB Output is correct
2 Correct 7 ms 2252 KB Output is correct
3 Correct 2 ms 2252 KB Output is correct
4 Correct 5 ms 2320 KB Output is correct
5 Correct 11 ms 2252 KB Output is correct
6 Correct 8 ms 2320 KB Output is correct
7 Correct 6 ms 2252 KB Output is correct
8 Correct 11 ms 2328 KB Output is correct
9 Correct 9 ms 2320 KB Output is correct
10 Correct 23 ms 2308 KB Output is correct
11 Correct 24 ms 2208 KB Output is correct
12 Correct 23 ms 2252 KB Output is correct
13 Correct 22 ms 2312 KB Output is correct
14 Correct 22 ms 2252 KB Output is correct
15 Correct 25 ms 2316 KB Output is correct
16 Correct 27 ms 2320 KB Output is correct
17 Correct 17 ms 2316 KB Output is correct
18 Correct 20 ms 2316 KB Output is correct
19 Correct 20 ms 2316 KB Output is correct
20 Correct 23 ms 2252 KB Output is correct
21 Correct 48 ms 2320 KB Output is correct
22 Incorrect 54 ms 2324 KB Output isn't correct
23 Halted 0 ms 0 KB -