Submission #4031284


Source Code Expand

#include <iostream>
#include <algorithm>
#include <vector>
#include <queue>
#include <stack>
#include <string>
#include <iomanip>
using namespace std;
#define rep(i,n) for(int (i)=0;(i)<(n);(i)++)
#define FOR(i,m,n) for(int (i)=(m);(i)<(n);(i)++)
typedef long long ll;
const int dx[4]={1,0,-1,0};
const int dy[4]={0,1,0,-1};

int main(){
    int n,k;
    vector<int> a(n);
    cin >> n >> k;
    rep(i,n){
        cin >> a[i];
    }
    vector<int> sum(n,a[0]),best_sum(n,max(0,a[0]));
    for(int i=1;i<n;i++){
        sum[i]=sum[i-1]+a[i];
        best_sum[i]=best_sum[i-1]+max(0,a[i]);
    }
    ll ans = -1e9;
    for(int i=0;i+k<=n;i++){
        ll tmp,plus;
        if(i==0){
            tmp = max(0,sum[k-1]);
            plus = best_sum[n-1]-best_sum[k-1];
        }else{
            tmp = max(0,sum[i+k-1]-sum[i-1]);
            plus = best_sum[n-1]-(best_sum[i+k-1]-best_sum[i-1]);
        }
        ans = max(ans,tmp+plus);
    }
    cout << ans << endl;
    return 0;
}

Submission Info

Submission Time
Task B - Contiguous Repainting
User rokahikou
Language C++14 (GCC 5.4.1)
Score 0
Code Size 1021 Byte
Status RE
Exec Time 113 ms
Memory 256 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 0 / 400
Status
RE × 4
RE × 26
Set Name Test Cases
Sample 0_00.txt, 0_01.txt, 0_02.txt, 0_03.txt
All 0_00.txt, 0_01.txt, 0_02.txt, 0_03.txt, 1_00.txt, 1_01.txt, 1_02.txt, 1_03.txt, 1_04.txt, 1_05.txt, 1_06.txt, 1_07.txt, 1_08.txt, 1_09.txt, 1_10.txt, 1_11.txt, 1_12.txt, 1_13.txt, 1_14.txt, 1_15.txt, 1_16.txt, 1_17.txt, 1_18.txt, 1_19.txt, 1_20.txt, 1_21.txt
Case Name Status Exec Time Memory
0_00.txt RE 113 ms 256 KB
0_01.txt RE 100 ms 256 KB
0_02.txt RE 99 ms 256 KB
0_03.txt RE 99 ms 256 KB
1_00.txt RE 99 ms 256 KB
1_01.txt RE 99 ms 256 KB
1_02.txt RE 98 ms 256 KB
1_03.txt RE 100 ms 256 KB
1_04.txt RE 98 ms 256 KB
1_05.txt RE 102 ms 256 KB
1_06.txt RE 99 ms 256 KB
1_07.txt RE 100 ms 256 KB
1_08.txt RE 98 ms 256 KB
1_09.txt RE 99 ms 256 KB
1_10.txt RE 100 ms 256 KB
1_11.txt RE 99 ms 256 KB
1_12.txt RE 99 ms 256 KB
1_13.txt RE 99 ms 256 KB
1_14.txt RE 99 ms 256 KB
1_15.txt RE 99 ms 256 KB
1_16.txt RE 100 ms 256 KB
1_17.txt RE 100 ms 256 KB
1_18.txt RE 100 ms 256 KB
1_19.txt RE 99 ms 256 KB
1_20.txt RE 99 ms 256 KB
1_21.txt RE 99 ms 256 KB