Submission #1454592
Source Code Expand
#include <iostream> #include <string> #include <algorithm> using namespace std; int main() { int n, k, a[100000]; cin >> n >> k; for(int i=0; i<n; i++) cin >> a[i]; long long ans = 0, sum = 0; for(int i=0; i<n; i++){ sum += a[i]; if(i < k-1) continue; ans += sum; sum -= a[i-k+1]; } cout << ans << endl; return 0; }
Submission Info
Submission Time | |
---|---|
Task | C - 総和 |
User | reverd |
Language | C++14 (GCC 5.4.1) |
Score | 100 |
Code Size | 409 Byte |
Status | AC |
Exec Time | 51 ms |
Memory | 640 KB |
Judge Result
Set Name | sample | subtask1 | subtask2 | ||||||
---|---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 50 / 50 | 50 / 50 | ||||||
Status |
|
|
|
Set Name | Test Cases |
---|---|
sample | sample01.txt, sample02.txt |
subtask1 | 00.txt, 01.txt, 02.txt, 03.txt, 04.txt, 05.txt, 06.txt, 07.txt, 08.txt, 09.txt, 10.txt, sample01.txt, sample02.txt |
subtask2 | 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 | AC | 1 ms | 256 KB |
01.txt | AC | 1 ms | 256 KB |
02.txt | AC | 1 ms | 256 KB |
03.txt | AC | 2 ms | 256 KB |
04.txt | AC | 2 ms | 256 KB |
05.txt | AC | 2 ms | 256 KB |
06.txt | AC | 2 ms | 256 KB |
07.txt | AC | 2 ms | 256 KB |
08.txt | AC | 2 ms | 256 KB |
09.txt | AC | 2 ms | 256 KB |
10.txt | AC | 2 ms | 256 KB |
11.txt | AC | 51 ms | 640 KB |
12.txt | AC | 50 ms | 640 KB |
13.txt | AC | 48 ms | 640 KB |
14.txt | AC | 49 ms | 640 KB |
15.txt | AC | 48 ms | 640 KB |
16.txt | AC | 49 ms | 640 KB |
17.txt | AC | 50 ms | 640 KB |
18.txt | AC | 19 ms | 640 KB |
19.txt | AC | 49 ms | 640 KB |
sample01.txt | AC | 1 ms | 256 KB |
sample02.txt | AC | 1 ms | 256 KB |