#include <iostream>
#include <bits/stdc++.h>
using namespace std;
const int MOD = 10007;
const int MAXN = 1e5+5;
int seg[4*MAXN][25];
int n,c;
int a[MAXN];
int b[MAXN];
void build(int curr,int l,int r){
if(l==r){
seg[curr][0] = b[l];
seg[curr][1] = a[l];
seg[curr][0]%=MOD;
seg[curr][1]%=MOD;
return;
}
// cout<<curr<<endl;
int mid = (l+r)/2;
build(2*curr,l,mid);
build(2*curr+1,mid+1,r);
for(int i=0;i<=c;i++){
for(int j=0;j<=c;j++){
seg[curr][min(i+j,c)] += (1LL*seg[2*curr][i]*seg[2*curr+1][j]);
seg[curr][min(i+j,c)]%=MOD;
}
}
}
void update(int curr,int l,int r,int target){
if(l==r){
seg[curr][0] = b[l];
seg[curr][1] = a[l];
seg[curr][0]%=MOD;
seg[curr][1]%=MOD;
return;
}
int mid = (l+r)/2;
if(target<=mid){
update(2*curr,l,mid,target);
for(int i=0;i<=c;i++){
seg[curr][i] = 0;
}
for(int i=0;i<=c;i++){
for(int j=0;j<=c;j++){
seg[curr][min(i+j,c)] += (1LL*seg[2*curr][i]*seg[2*curr+1][j]);
seg[curr][min(i+j,c)]%=MOD;
}
}
}else{
update(2*curr+1,mid+1,r,target);
for(int i=0;i<=c;i++){
seg[curr][i] = 0;
}
for(int i=0;i<=c;i++){
for(int j=0;j<=c;j++){
seg[curr][min(i+j,c)] += (1LL*seg[2*curr][i]*seg[2*curr+1][j]);
seg[curr][min(i+j,c)]%=MOD;
}
}
}
}
int main(){
ios_base::sync_with_stdio(0);
cin.tie(NULL);
cin>>n>>c;
for(int i=1;i<=n;i++){
cin>>a[i];
a[i]%=MOD;
}
for(int i=1;i<=n;i++){
cin>>b[i];
b[i]%=MOD;
}
build(1,1,n);
int q;
cin>>q;
while(q--){
int pos;
cin>>pos;
cin>>a[pos]>>b[pos];
update(1,1,n,pos);
cout<<seg[1][c]<<endl;
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
13 ms |
504 KB |
Output is correct |
2 |
Correct |
18 ms |
504 KB |
Output is correct |
3 |
Correct |
30 ms |
632 KB |
Output is correct |
4 |
Correct |
628 ms |
13972 KB |
Output is correct |
5 |
Correct |
1813 ms |
27128 KB |
Output is correct |
6 |
Correct |
2403 ms |
27148 KB |
Output is correct |
7 |
Correct |
1137 ms |
14072 KB |
Output is correct |
8 |
Correct |
672 ms |
26972 KB |
Output is correct |
9 |
Correct |
1185 ms |
27128 KB |
Output is correct |
10 |
Correct |
3826 ms |
27288 KB |
Output is correct |