Submission #3000504
Source Code Expand
#include <bits/stdc++.h>
#define fp(i, l, r) for(register int i = (l); i <= (r); ++i)
#define fd(i, l, r) for(register int i = (l); i >= (r); --i)
#define ANTISYNC ios::sync_with_stdio(false)
#define full(a, b) memset(a, b, sizeof(a))
#define MAXN (int)1e5 + 5
#define ll long long
#define il inline
using namespace std;
int n, k, num[MAXN];
unsigned long long ans = 0, pre[MAXN];
il int init() {
ANTISYNC;
scanf("%d%d", &n, &k);
fp(i, 1, n) scanf("%d", &num[i]);
pre[1] = num[1];
fp(i, 2, n) pre[i] = pre[i-1] + num[i];
fp(i, k, n) ans += pre[i] - pre[i-k];
cout << ans;
return 0;
}
int main() {
init();
return 0;
}
Submission Info
Submission Time |
|
Task |
C - 総和 |
User |
luogu_bot4 |
Language |
C++ (GCC 5.4.1) |
Score |
100 |
Code Size |
656 Byte |
Status |
AC |
Exec Time |
13 ms |
Memory |
1408 KB |
Compile Error
./Main.cpp: In function ‘int init()’:
./Main.cpp:16:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
scanf("%d%d", &n, &k);
^
./Main.cpp:17:34: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
fp(i, 1, n) scanf("%d", &num[i]);
^
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 |
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 |
1408 KB |
12.txt |
AC |
12 ms |
1408 KB |
13.txt |
AC |
12 ms |
1408 KB |
14.txt |
AC |
12 ms |
1408 KB |
15.txt |
AC |
12 ms |
1408 KB |
16.txt |
AC |
12 ms |
1408 KB |
17.txt |
AC |
13 ms |
1408 KB |
18.txt |
AC |
9 ms |
1408 KB |
19.txt |
AC |
12 ms |
1408 KB |
sample01.txt |
AC |
1 ms |
256 KB |
sample02.txt |
AC |
1 ms |
256 KB |