Submission #839227

#	Time	Username	Problem	Language	Result	Execution time	Memory
839227		teo_thrash	Kas (COCI17_kas)	C++14	30 / 100	72 ms	2000 KiB

kas

#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<=sum; i++){
    dp[i]=-INT_MAX;
}
dp[0]=0;

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

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

        curr[j]=max(curr[j], dp[j-a[i]]+a[i]);
    }

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

        curr[j-a[i]]=max(curr[j-a[i]], dp[j]);
    }
    for(int j=1; j<a[i]; j++){
        if(dp[j]==-INT_MAX) continue;
        curr[a[i]-j]=max(curr[a[i]-j], dp[j]-j+a[i]);
    }

    for(int j=0; j<=sum; j++){
        dp[j]=max(curr[j], dp[j]);
    }
}
cout<<sum-dp[0]<<endl;

return 0;
}

• Subtask 1: 10 / 10
• Subtask 2: 0 / 10
• Subtask 3: 0 / 10
• Subtask 4: 0 / 10
• Subtask 5: 0 / 10
• Subtask 6: 0 / 10
• Subtask 7: 0 / 10
• Subtask 8: 10 / 10
• Subtask 9: 10 / 10
• Subtask 10: 0 / 10