| 比赛 |
ZLXSCDay2 |
评测结果 |
AAATATTTTT |
| 题目名称 |
梦游仙境 |
最终得分 |
40 |
| 用户昵称 |
Zayin |
运行时间 |
31.864 s |
| 代码语言 |
C++ |
内存使用 |
1.08 MiB |
| 提交时间 |
2016-04-10 17:02:39 |
显示代码纯文本
#include<cstdio>
#include<cstring>
#include<iostream>
#include<algorithm>
#define maxn 100050
using namespace std;
typedef long long LL;
int n,m;
LL a[maxn];
void init()
{
scanf("%d%d",&n,&m);
for (int i=1;i<=n;++i)
scanf("%lld",&a[i]);
}
void solve()
{
while (m--)
{
int l,r,jump;
scanf("%d%d%d",&l,&r,&jump);
LL ans=0;
while (l<=r)
{
ans+=a[l];
l+=jump;
}
printf("%lld\n",ans);
}
}
int main()
{
freopen("XTTMYXJ.in","r",stdin);
freopen("XTTMYXJ.out","w",stdout);
init();
solve();
return 0;
}