#include<bits/stdc++.h>
using namespace std;
long long b[100005],n,m,i,j,a[100005],l,r,bb;
long long anyu(long long a){
	long long r = 1;
	for(int i = 1; i <= 1000000005; i <<= 1,a = a * a % 1000000007){
		if(i & 1000000005){
			r = r * a % 1000000007;
		}
	}
	return r;
}
long long pow1(long long a,long long b){
	long long j,s = 1,t = a;
	for(j = 1; j <= b; j <<= 1,t = t * t % 1000000007){
		s = s * t % 1000000007;
	}
	return s;
}
int main(){
	ios::sync_with_stdio(false);
	cin >> n >> m >> bb;
	for(i = 1; i <= n; i++){
		cin >> a[i];
	}
	for(i = 1; i <= n; i++){
		b[i] = (b[i - 1] * bb + a[i]) % 1000000007;
	}
	for(i = 1; i <= m; i++){
		cin >> l >> r;
		cout<< (b[r] - anyu(b[l - 1]) * pow1(b,r - l + 1) % 1000000007 << endl;
	}
	return 0;	
}

报错信息：

31	51	F:\c+++++++++++++++++\luogu.cpp	[Error] invalid conversion from 'long long int*' to 'long long int' [-fpermissive]

13	11	F:\c+++++++++++++++++\luogu.cpp	[Error] initializing argument 1 of 'long long int pow1(long long int, long long int)' [-fpermissive]

31	69	F:\c+++++++++++++++++\luogu.cpp	[Error] invalid operands of types 'long long int' and '<unresolved overloaded function type>' to binary 'operator<<'
  
31	73	F:\c+++++++++++++++++\luogu.cpp	[Error] expected ')' before ';' token

全局变量、函数返回值、参数的类型都改了几遍了，还是不停报错！

验证码jcka