#include<bits/stdc++.h>
#define ll long long
#define ff first
#define ss second
using namespace std;
const int MX = 2e5 + 5;
const int mod = 1e9 + 7;
int n, k, a[MX];
ll fac[MX], inv_fac[MX], tree[4 * MX], ans[MX];
pair<int, int> euc(int x, int y){
if (x == 1)return {1, 0};
pair<int, int> res = euc(y % x, x), ans;
ans.ff = res.ss - y / x * res.ff;
ans.ss = res.ff;
return ans;
}
void go(){
fac[0] = inv_fac[0] = 1;
for (int i = 1; i <= n; i++){
fac[i] = fac[i - 1] * i % mod;
inv_fac[i] = inv_fac[i - 1] * euc(i, mod).ff % mod;
if (inv_fac[i] < 0)inv_fac[i] += mod;
}
stack<int> x;
for (int i = 1; i <= n; i++)
}
ll C(int x, int y){
return fac[x] * inv_fac[y] % mod * inv_fac[x - y] % mod;
}
void update(int id, int l, int r, int L, int R, ll x){
if (L > r || l > R)return;
if (L <= l && r <= R){
tree[id] *= x;
tree[id] %= mod;
return;
}
int mid = (l + r) / 2;
update(id * 2 + 1, l, mid, L, R, x);
update(id * 2 + 2, mid + 1, r, L , R, x);
}
int main(){
ios::sync_with_stdio(0);cin.tie(0);
cin >> n >> k;
for (int i = 1; i <= n; i++)cin >> a[i];
go();
while (k--){
int x;
cin >> x;
cout << ans[x] << "\n";
}
}
Compilation message
zarulje.cpp: In function 'void go()':
zarulje.cpp:26:1: error: expected primary-expression before '}' token
26 | }
| ^
