/*input
4 2
1 2 3 4
1 2 3 4
1
4 1 1
*/
#include<bits/stdc++.h>
using namespace std;
const int N=1e5 + 100;
const int mod=1e4 + 7;
#define pii pair<int, int>
#define f first
#define s second
#define mp make_pair
#define FOR(i, n) for(int i=1;i<=n;i++)
#define TRACE(x) cerr << #x << " = " << x << endl
//Trace prints the name of the variable and the value.
int n, c;
struct node
{
int tot, ans[22];
void calcdp(int a[], int b[])
{
for(int i=0;i<=c;i++)
{
ans[i]=0;
for(int j=0;j<=i;j++){
ans[i]+=a[j]*b[i-j];ans[i]%=mod;
}
}
}
};
node tree[4*N];int a[N], b[N], q;
void build(int i=1, int l=1, int r=n)
{
if(l==r)
{
tree[i].tot=a[l] + b[l];tree[i].ans[1]=a[l];tree[i].ans[0]=b[l];return;
}
int mid=(l+r)>>1;
build(2*i, l, mid);build(2*i+1, mid+1, r);tree[i].calcdp(tree[2*i].ans, tree[2*i+1].ans);
tree[i].tot=tree[2*i].tot*tree[2*i+1].tot;tree[i].tot%=mod;
}
int ql, qr;
void update(int i=1, int l=1, int r=n)
{
if(l>qr||r<ql) return;
if(l==r)
{
tree[i].tot=a[l] + b[l];tree[i].ans[1]=a[l];tree[i].ans[0]=b[l];return;
}
int mid=(l+r)>>1;
update(2*i, l, mid);update(2*i+1, mid+1, r);tree[i].calcdp(tree[2*i].ans, tree[2*i+1].ans);
tree[i].tot=tree[2*i].tot*tree[2*i+1].tot;tree[i].tot%=mod;
}
signed main()
{
ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
cin>>n>>c;c--;
for(int i=1;i<=n;i++) cin>>a[i];
for(int i=1;i<=n;i++) cin>>b[i];
build();
cin>>q;
while(q--)
{
int pos, nl, nr;cin>>pos>>nl>>nr;ql=qr=pos;a[pos]=nl;b[pos]=nr;update();
int ans=0;
for(int i=0;i<=c;i++)
{
ans+=tree[1].ans[i];ans%=mod;
}
ans=tree[1].tot-ans;ans+=mod;ans%=mod;cout<<ans<<endl;
}
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
9 ms |
512 KB |
Output is correct |
| 2 |
Correct |
11 ms |
512 KB |
Output is correct |
| 3 |
Correct |
15 ms |
512 KB |
Output is correct |
| 4 |
Incorrect |
335 ms |
13068 KB |
Output isn't correct |
| 5 |
Incorrect |
657 ms |
25080 KB |
Output isn't correct |
| 6 |
Incorrect |
890 ms |
25080 KB |
Output isn't correct |
| 7 |
Incorrect |
431 ms |
13048 KB |
Output isn't correct |
| 8 |
Incorrect |
304 ms |
24952 KB |
Output isn't correct |
| 9 |
Incorrect |
512 ms |
25208 KB |
Output isn't correct |
| 10 |
Incorrect |
1386 ms |
25080 KB |
Output isn't correct |
