oj.uz

Submission #873397

# Submission time Handle Problem Language Result Execution time Memory
873397 2023-11-15T02:31:54 Z vjudge1 Kas (COCI17_kas) C++17
80 / 100
 86 ms 99272 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) 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 12 ms 98904 KB Output is correct
2 Correct 13 ms 98908 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 99088 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 12 ms 98908 KB Output is correct
2 Correct 13 ms 98908 KB Output is correct

Subtask #4
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 #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 98908 KB Output is correct
2 Correct 13 ms 99048 KB Output is correct

Subtask #6
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 98908 KB Output is correct
2 Correct 12 ms 99272 KB Output is correct

Subtask #7
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 98908 KB Output is correct
2 Correct 13 ms 98988 KB Output is correct

Subtask #8
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 43 ms 98904 KB Output is correct
2 Correct 23 ms 99092 KB Output is correct

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 44 ms 98908 KB Output is correct
2 Incorrect 53 ms 98904 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 86 ms 99144 KB Output isn't correct
2 Halted 0 ms 0 KB -