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Submission #839230

# Submission time Handle Problem Language Result Execution time Memory
839230 2023-08-29T09:10:19 Z teo_thrash Kas (COCI17_kas) C++14
100 / 100
 62 ms 1892 KB 
#include<bits/stdc++.h>
#define pb push_back

using namespace std;

typedef long long ll;
typedef pair<int, int> pii;

const int maxn=1e5+10;
const int mod=1e9+7;

int n;
ll a[503];
ll dp[maxn], sum=0; ///dp[i] is the max sum of the subsequences that when split optimally, the 2 parts differ by i
ll curr[maxn];

int main(){

ios_base::sync_with_stdio(false);
cin.tie(NULL);
cout.tie(NULL);

for(int i=0; i<maxn; i++){
    dp[i]=-INT_MAX;
}
dp[0]=0;

cin>>n;
for(int i=0; i<n; i++){
    cin>>a[i];

    for(int j=0; j<=sum+a[i]; j++){
        curr[j]=dp[j];
    }

    for(int j=0; j<=sum+a[i]; j++){
        if(dp[j]==-INT_MAX) continue;

        curr[j+a[i]]=max(curr[j+a[i]], dp[j]+a[i]);
        if(j>=a[i]){
            curr[j-a[i]]=max(curr[j-a[i]], dp[j]+a[i]);
        }else{
            curr[a[i]-j]=max(curr[a[i]-j], dp[j]+a[i]);
        }
    }
    sum+=a[i];
    for(int j=0; j<=sum; j++){
        dp[j]=max(curr[j], dp[j]);
    }
}
cout<<sum-dp[0]/2<<endl;

return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1108 KB Output is correct
2 Correct 1 ms 1108 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1108 KB Output is correct
2 Correct 1 ms 1108 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1108 KB Output is correct
2 Correct 1 ms 1108 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1108 KB Output is correct
2 Correct 1 ms 1108 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1108 KB Output is correct
2 Correct 1 ms 1108 KB Output is correct

Subtask #6
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1108 KB Output is correct
2 Correct 1 ms 1040 KB Output is correct

Subtask #7
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1108 KB Output is correct
2 Correct 1 ms 1108 KB Output is correct

Subtask #8
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 1888 KB Output is correct
2 Correct 7 ms 1892 KB Output is correct

Subtask #9
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 23 ms 1876 KB Output is correct
2 Correct 14 ms 1880 KB Output is correct

Subtask #10
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 24 ms 1840 KB Output is correct
2 Correct 62 ms 1840 KB Output is correct