Submission #4040811


Source Code Expand

#include <iostream>
#include <vector>
#include <algorithm>
#include <map>
#include <set>
#include <cmath>
#include <cstring>
#include <iomanip>
#include <random>
#include <chrono>
#include <queue>
using namespace std;
typedef long long ll;
typedef pair<int, int> PII;
typedef pair<ll, ll> PLL;
#define INF 1000000000
#define MOD 1000000007
#define EPS 0.00000001


int main(){
    int N, K; cin >> N >> K;
    vector<int> A(N);
    for(int &a:A) cin >> a;
    
    vector<ll> Asum(N+1);
    vector<ll> Psum(N+1);
    
    for(int i=0; i<N; i++){
        Asum[i+1] = Asum[i] + A[i];
        Psum[i+1] = Psum[i] + max(0, A[i]);
    }
    
    ll ret =  0;
    for(int i=0; i<N-K+1; i++){
        ll b = Asum[i+K]-Asum[i] + Psum[i]-Psum[0] + Psum[N]-Psum[i+K];
        ll w = Psum[i]-Psum[0] + Psum[N]-Psum[i+K];
        ret = max(ret, max(b, w));
    }
    cout << ret << endl;
    return 0;
}

Submission Info

Submission Time
Task B - Contiguous Repainting
User hibari2357
Language C++14 (GCC 5.4.1)
Score 400
Code Size 934 Byte
Status AC
Exec Time 49 ms
Memory 2176 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 400 / 400
Status
AC × 4
AC × 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 AC 1 ms 256 KB
0_01.txt AC 1 ms 256 KB
0_02.txt AC 1 ms 256 KB
0_03.txt AC 1 ms 256 KB
1_00.txt AC 1 ms 256 KB
1_01.txt AC 2 ms 256 KB
1_02.txt AC 1 ms 256 KB
1_03.txt AC 19 ms 2176 KB
1_04.txt AC 45 ms 2176 KB
1_05.txt AC 49 ms 2176 KB
1_06.txt AC 43 ms 2176 KB
1_07.txt AC 43 ms 2176 KB
1_08.txt AC 44 ms 2176 KB
1_09.txt AC 43 ms 2176 KB
1_10.txt AC 43 ms 2176 KB
1_11.txt AC 44 ms 2176 KB
1_12.txt AC 43 ms 2176 KB
1_13.txt AC 43 ms 2176 KB
1_14.txt AC 42 ms 2176 KB
1_15.txt AC 45 ms 2176 KB
1_16.txt AC 44 ms 2176 KB
1_17.txt AC 42 ms 2176 KB
1_18.txt AC 44 ms 2176 KB
1_19.txt AC 42 ms 2176 KB
1_20.txt AC 44 ms 2176 KB
1_21.txt AC 43 ms 2176 KB