#include <iostream>
#include <fstream>
using namespace std;
const int nmax=500005;
long long d[nmax],fv[nmax],val[nmax];
long long l,r,t;
int n,q,p,i;
int calc(long long x,long long t)
{
int ret=0;
long long vv;
if(t<x)
return 0;
for(int p=18;p>=0;p--)
{
vv=ret+(1<<p);
if(vv<=n&&(t/fv[vv])*(val[vv])-vv>=x)
ret+=(1<<p);
}
return ret+1;
}
int main()
{
//freopen("data.in","r",stdin);
ios_base::sync_with_stdio(false);
cin>>n>>q;
for(i=1;i<=n;i++)
{
cin>>d[i];
if(i==1) fv[i]=d[i],val[i]=d[i];
else
{
if(val[i-1]<d[i])
{
fv[i]=(1LL*fv[i-1]*((d[i]+val[i-1]-1)/val[i-1]));
val[i]=(d[i]+val[i-1]-(d[i]%val[i-1]));
if(!d[i]%val[i-1])
val[i]=d[i];
}
else
{
fv[i]=fv[i-1];
val[i]=val[i-1];
}
fv[i]=min(fv[i],1LL*(1000*1000*1000+1));
}
}
for(i=1;i<=q;i++)
{
cin>>t>>l>>r;
cout<<calc(l,t)-calc(r+1,t)<<'\n';
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
2061 ms |
15144 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
15144 KB |
Output is correct |
2 |
Correct |
4 ms |
15144 KB |
Output is correct |
3 |
Correct |
4 ms |
15144 KB |
Output is correct |
4 |
Correct |
4 ms |
15144 KB |
Output is correct |
5 |
Incorrect |
5 ms |
15144 KB |
Output isn't correct |
6 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
2061 ms |
15144 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |