Submission #1370680


Source Code Expand

#include <iostream>
#include <cstdio>
using namespace std;

typedef long long ll;

int main() {
  int N, K;
  cin >> N >> K;
  int a[N+1];
  for (int i = 1; i < N + 1; i++) scanf("%d", a + i);

  // 累積和を使って合計を求める
  a[0] = 0;
  for (int i = 1; i < N + 1; i++) a[i] += a[i-1];
  ll ans = 0;
  for (int i = K; i < N + 1; i++) {
    ans += a[i] - a[i-K];
  }

  // 解答
  cout << ans << endl;
  return 0;
}

Submission Info

Submission Time
Task D - 経路
User university
Language C++14 (GCC 5.4.1)
Score 0
Code Size 455 Byte
Status WA
Exec Time 1 ms
Memory 256 KB

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:11:53: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   for (int i = 1; i < N + 1; i++) scanf("%d", a + i);
                                                     ^

Judge Result

Set Name sample All
Score / Max Score 0 / 0 0 / 100
Status
WA × 2
WA × 24
Set Name Test Cases
sample sample01.txt, sample02.txt
All 00.txt, 01.txt, 02.txt, 03.txt, 04.txt, 05.txt, 06.txt, 07.txt, 08.txt, 09.txt, 10.txt, 11.txt, 12.txt, 13.txt, 14.txt, 15.txt, 16.txt, 17.txt, 18.txt, 19.txt, sample01.txt, sample02.txt, sample01.txt, sample02.txt
Case Name Status Exec Time Memory
00.txt WA 1 ms 256 KB
01.txt WA 1 ms 256 KB
02.txt WA 1 ms 256 KB
03.txt WA 1 ms 256 KB
04.txt WA 1 ms 256 KB
05.txt WA 1 ms 256 KB
06.txt WA 1 ms 256 KB
07.txt WA 1 ms 256 KB
08.txt WA 1 ms 256 KB
09.txt WA 1 ms 256 KB
10.txt WA 1 ms 256 KB
11.txt WA 1 ms 256 KB
12.txt WA 1 ms 256 KB
13.txt WA 1 ms 256 KB
14.txt WA 1 ms 256 KB
15.txt WA 1 ms 256 KB
16.txt WA 1 ms 256 KB
17.txt WA 1 ms 256 KB
18.txt WA 1 ms 256 KB
19.txt WA 1 ms 256 KB
sample01.txt WA 1 ms 256 KB
sample02.txt WA 1 ms 256 KB