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Submission #873401

# Submission time Handle Problem Language Result Execution time Memory
873401 2023-11-15T02:36:24 Z vjudge1 Kas (COCI17_kas) C++17
100 / 100
 102 ms 99164 KB 
#include<bits/stdc++.h>
using namespace std;
const int N=1e5+7, inf=1e9+7;

int n, a[N], s;
int f[503][N/2];
int calc(int k, int diff)
{
    if(diff>=N/2) return -inf;
    if(f[k][diff]!=-1) return f[k][diff];
    int &ret=f[k][diff];
    if(k==n){
        if(diff==0) return 0;
        return -inf;
    }
    return ret=max({calc(k+1, diff), calc(k+1, diff+a[k])+a[k], calc(k+1, abs(diff-a[k]))+a[k]});
}
int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
//    freopen("brocandy.inp", "r", stdin);
//    freopen("brocandy.out", "w", stdout);
    cin>>n;
    for(int i=0; i<n; i++) cin>>a[i], s+=a[i];
    memset(f, -1, sizeof(f));
    int ans=calc(0, 0);
    ans=ans/2+(s-ans);
    cout<<ans;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 98904 KB Output is correct
2 Correct 12 ms 98904 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 98908 KB Output is correct
2 Correct 12 ms 98908 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 98908 KB Output is correct
2 Correct 14 ms 98908 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 98968 KB Output is correct
2 Correct 12 ms 99136 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 98904 KB Output is correct
2 Correct 12 ms 98908 KB Output is correct

Subtask #6
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 98904 KB Output is correct
2 Correct 13 ms 99028 KB Output is correct

Subtask #7
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 98908 KB Output is correct
2 Correct 12 ms 98908 KB Output is correct

Subtask #8
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 30 ms 99096 KB Output is correct
2 Correct 18 ms 98908 KB Output is correct

Subtask #9
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 33 ms 98908 KB Output is correct
2 Correct 51 ms 99136 KB Output is correct

Subtask #10
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 102 ms 99164 KB Output is correct
2 Correct 83 ms 99164 KB Output is correct