Submission #1370665
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]; for (int i = 0; i < N; i++) scanf("%d", a + i); // しゃくとり法で合計を求める ll sum, ans; sum = ans = 0; for (int i = 0; i < K; i++) { sum += a[i]; } ans += sum; for (int i = K; i < N; i++) { ll tmp = sum - a[i-K] + a[i]; ans += tmp; sum = tmp; } // 解答 cout << ans << endl; return 0; }
Submission Info
Submission Time | |
---|---|
Task | C - 総和 |
User | university |
Language | C++14 (GCC 5.4.1) |
Score | 100 |
Code Size | 512 Byte |
Status | AC |
Exec Time | 12 ms |
Memory | 640 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:11:49: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] for (int i = 0; i < N; i++) scanf("%d", a + i); ^
Judge Result
Set Name | sample | subtask1 | subtask2 | ||||||
---|---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 50 / 50 | 50 / 50 | ||||||
Status |
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|
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Set Name | Test Cases |
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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 | 1 ms | 256 KB |
04.txt | AC | 1 ms | 256 KB |
05.txt | AC | 1 ms | 256 KB |
06.txt | AC | 1 ms | 256 KB |
07.txt | AC | 1 ms | 256 KB |
08.txt | AC | 1 ms | 256 KB |
09.txt | AC | 1 ms | 256 KB |
10.txt | AC | 1 ms | 256 KB |
11.txt | AC | 12 ms | 640 KB |
12.txt | AC | 12 ms | 640 KB |
13.txt | AC | 12 ms | 640 KB |
14.txt | AC | 12 ms | 640 KB |
15.txt | AC | 12 ms | 640 KB |
16.txt | AC | 12 ms | 640 KB |
17.txt | AC | 12 ms | 640 KB |
18.txt | AC | 9 ms | 640 KB |
19.txt | AC | 12 ms | 640 KB |
sample01.txt | AC | 1 ms | 256 KB |
sample02.txt | AC | 1 ms | 256 KB |