mirror of
https://github.com/Kiritow/OJ-Problems-Source.git
synced 2024-03-22 13:11:29 +08:00
27767e72ab
2800-2899
42 lines
835 B
C++
42 lines
835 B
C++
#include<iostream>
|
|
#include<cstdio>
|
|
#include<cstring>
|
|
using namespace std;
|
|
const int M=200907;
|
|
int main()
|
|
{
|
|
__int64 a1,a2,a3,q;
|
|
int n,T;
|
|
__int64 ans;
|
|
scanf("%d",&T);
|
|
while(T--)
|
|
{
|
|
scanf("%I64d%I64d%I64d%d",&a1,&a2,&a3,&n);
|
|
if(a2-a1==a3-a2)
|
|
{
|
|
q=a2-a1;
|
|
ans=(a1%M+(((n-1)%M)*(q%M))%M)%M;
|
|
}
|
|
else
|
|
{
|
|
q=(a2/a1)%M;
|
|
long long temp=1;
|
|
n--;
|
|
a1=a1%M;
|
|
while(n)
|
|
{
|
|
if(n&1)
|
|
{
|
|
temp=temp*q;
|
|
temp%=M;
|
|
}
|
|
q=(q*q)%M;
|
|
n/=2;
|
|
}
|
|
ans=(a1*temp)%M;
|
|
}
|
|
printf("%I64d\n",ans);
|
|
}
|
|
return 0;
|
|
}
|