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Submission #526064

# Submission time Handle Problem Language Result Execution time Memory
526064 2022-02-13T16:20:13 Z TheKingAleks Bootfall (IZhO17_bootfall) C++14
13 / 100
 39 ms 2332 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<=sum; 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=0; 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 5 ms 2252 KB Output is correct
2 Correct 5 ms 2236 KB Output is correct
3 Correct 2 ms 2252 KB Output is correct
4 Correct 5 ms 2320 KB Output is correct
5 Correct 8 ms 2252 KB Output is correct
6 Correct 6 ms 2252 KB Output is correct
7 Correct 5 ms 2252 KB Output is correct
8 Correct 7 ms 2252 KB Output is correct
9 Correct 6 ms 2252 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 2252 KB Output is correct
2 Correct 5 ms 2236 KB Output is correct
3 Correct 2 ms 2252 KB Output is correct
4 Correct 5 ms 2320 KB Output is correct
5 Correct 8 ms 2252 KB Output is correct
6 Correct 6 ms 2252 KB Output is correct
7 Correct 5 ms 2252 KB Output is correct
8 Correct 7 ms 2252 KB Output is correct
9 Correct 6 ms 2252 KB Output is correct
10 Correct 15 ms 2312 KB Output is correct
11 Correct 17 ms 2252 KB Output is correct
12 Correct 15 ms 2320 KB Output is correct
13 Correct 15 ms 2316 KB Output is correct
14 Correct 15 ms 2316 KB Output is correct
15 Correct 16 ms 2252 KB Output is correct
16 Correct 21 ms 2312 KB Output is correct
17 Correct 11 ms 2312 KB Output is correct
18 Correct 13 ms 2324 KB Output is correct
19 Correct 17 ms 2320 KB Output is correct
20 Correct 14 ms 2252 KB Output is correct

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 2252 KB Output is correct
2 Correct 5 ms 2236 KB Output is correct
3 Correct 2 ms 2252 KB Output is correct
4 Correct 5 ms 2320 KB Output is correct
5 Correct 8 ms 2252 KB Output is correct
6 Correct 6 ms 2252 KB Output is correct
7 Correct 5 ms 2252 KB Output is correct
8 Correct 7 ms 2252 KB Output is correct
9 Correct 6 ms 2252 KB Output is correct
10 Correct 15 ms 2312 KB Output is correct
11 Correct 17 ms 2252 KB Output is correct
12 Correct 15 ms 2320 KB Output is correct
13 Correct 15 ms 2316 KB Output is correct
14 Correct 15 ms 2316 KB Output is correct
15 Correct 16 ms 2252 KB Output is correct
16 Correct 21 ms 2312 KB Output is correct
17 Correct 11 ms 2312 KB Output is correct
18 Correct 13 ms 2324 KB Output is correct
19 Correct 17 ms 2320 KB Output is correct
20 Correct 14 ms 2252 KB Output is correct
21 Correct 30 ms 2316 KB Output is correct
22 Incorrect 39 ms 2332 KB Output isn't correct
23 Halted 0 ms 0 KB -

Subtask #4
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 2252 KB Output is correct
2 Correct 5 ms 2236 KB Output is correct
3 Correct 2 ms 2252 KB Output is correct
4 Correct 5 ms 2320 KB Output is correct
5 Correct 8 ms 2252 KB Output is correct
6 Correct 6 ms 2252 KB Output is correct
7 Correct 5 ms 2252 KB Output is correct
8 Correct 7 ms 2252 KB Output is correct
9 Correct 6 ms 2252 KB Output is correct
10 Correct 15 ms 2312 KB Output is correct
11 Correct 17 ms 2252 KB Output is correct
12 Correct 15 ms 2320 KB Output is correct
13 Correct 15 ms 2316 KB Output is correct
14 Correct 15 ms 2316 KB Output is correct
15 Correct 16 ms 2252 KB Output is correct
16 Correct 21 ms 2312 KB Output is correct
17 Correct 11 ms 2312 KB Output is correct
18 Correct 13 ms 2324 KB Output is correct
19 Correct 17 ms 2320 KB Output is correct
20 Correct 14 ms 2252 KB Output is correct
21 Correct 30 ms 2316 KB Output is correct
22 Incorrect 39 ms 2332 KB Output isn't correct
23 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 2252 KB Output is correct
2 Correct 5 ms 2236 KB Output is correct
3 Correct 2 ms 2252 KB Output is correct
4 Correct 5 ms 2320 KB Output is correct
5 Correct 8 ms 2252 KB Output is correct
6 Correct 6 ms 2252 KB Output is correct
7 Correct 5 ms 2252 KB Output is correct
8 Correct 7 ms 2252 KB Output is correct
9 Correct 6 ms 2252 KB Output is correct
10 Correct 15 ms 2312 KB Output is correct
11 Correct 17 ms 2252 KB Output is correct
12 Correct 15 ms 2320 KB Output is correct
13 Correct 15 ms 2316 KB Output is correct
14 Correct 15 ms 2316 KB Output is correct
15 Correct 16 ms 2252 KB Output is correct
16 Correct 21 ms 2312 KB Output is correct
17 Correct 11 ms 2312 KB Output is correct
18 Correct 13 ms 2324 KB Output is correct
19 Correct 17 ms 2320 KB Output is correct
20 Correct 14 ms 2252 KB Output is correct
21 Correct 30 ms 2316 KB Output is correct
22 Incorrect 39 ms 2332 KB Output isn't correct
23 Halted 0 ms 0 KB -

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 2252 KB Output is correct
2 Correct 5 ms 2236 KB Output is correct
3 Correct 2 ms 2252 KB Output is correct
4 Correct 5 ms 2320 KB Output is correct
5 Correct 8 ms 2252 KB Output is correct
6 Correct 6 ms 2252 KB Output is correct
7 Correct 5 ms 2252 KB Output is correct
8 Correct 7 ms 2252 KB Output is correct
9 Correct 6 ms 2252 KB Output is correct
10 Correct 15 ms 2312 KB Output is correct
11 Correct 17 ms 2252 KB Output is correct
12 Correct 15 ms 2320 KB Output is correct
13 Correct 15 ms 2316 KB Output is correct
14 Correct 15 ms 2316 KB Output is correct
15 Correct 16 ms 2252 KB Output is correct
16 Correct 21 ms 2312 KB Output is correct
17 Correct 11 ms 2312 KB Output is correct
18 Correct 13 ms 2324 KB Output is correct
19 Correct 17 ms 2320 KB Output is correct
20 Correct 14 ms 2252 KB Output is correct
21 Correct 30 ms 2316 KB Output is correct
22 Incorrect 39 ms 2332 KB Output isn't correct
23 Halted 0 ms 0 KB -