Submission #1078025


Source Code Expand

#include <cstdio>
#include <vector>
#include <algorithm>
#include <functional>
#include <tuple>
#include <map>
#include <unordered_map>
#include <set>
#include <unordered_set>
#include <array>
#include <valarray>
#include <climits>

using namespace std;

using ll = long long;

int main()
{
    int N, K;
    scanf("%d %d\n", &N, &K);
    vector<int> A(N);
    ll plus_sum = 0;
    ll plus_range_sum = 0;
    ll minus_range_sum = 0;
    ll range_sum_min = LLONG_MAX;
    for (int i = 0; i < N; ++i){
        int ai;
        scanf("%d", &ai); getchar();
        A[i] = ai;
        if (ai > 0){
            plus_sum += ai;
            plus_range_sum += ai;
        }else{
            minus_range_sum += -ai;
        }
        if (i >= K){
            auto& aik = A[i - K];
            if (aik > 0) plus_range_sum -= aik;
            if (aik < 0) minus_range_sum -= -aik;
        }
        if (i >= K - 1){
            range_sum_min = min(plus_range_sum, range_sum_min);
            range_sum_min = min(minus_range_sum, range_sum_min);
        }
    }
    printf("%lld\n", plus_sum - range_sum_min);
}

Submission Info

Submission Time
Task B - Contiguous Repainting
User painfulness
Language C++14 (GCC 5.4.1)
Score 400
Code Size 1147 Byte
Status AC
Exec Time 16 ms
Memory 640 KB

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:21:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d\n", &N, &K);
                             ^
./Main.cpp:29:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", &ai); getchar();
                         ^

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 2 ms 256 KB
0_01.txt AC 2 ms 256 KB
0_02.txt AC 2 ms 256 KB
0_03.txt AC 2 ms 256 KB
1_00.txt AC 2 ms 256 KB
1_01.txt AC 2 ms 256 KB
1_02.txt AC 2 ms 256 KB
1_03.txt AC 11 ms 640 KB
1_04.txt AC 16 ms 640 KB
1_05.txt AC 16 ms 640 KB
1_06.txt AC 16 ms 640 KB
1_07.txt AC 16 ms 640 KB
1_08.txt AC 15 ms 640 KB
1_09.txt AC 15 ms 640 KB
1_10.txt AC 15 ms 640 KB
1_11.txt AC 16 ms 640 KB
1_12.txt AC 15 ms 640 KB
1_13.txt AC 16 ms 640 KB
1_14.txt AC 15 ms 640 KB
1_15.txt AC 15 ms 640 KB
1_16.txt AC 16 ms 640 KB
1_17.txt AC 15 ms 640 KB
1_18.txt AC 15 ms 640 KB
1_19.txt AC 15 ms 640 KB
1_20.txt AC 15 ms 640 KB
1_21.txt AC 15 ms 640 KB