제출 #1005735

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1005735		vjudge1	Relativnost (COCI15_relativnost)	C++17	140 / 140	2866 ms	17832 KiB

relativnost

#include <bits/stdc++.h>
using namespace std;


const int MAXN=100005;
int n,c;
int a[MAXN], b[MAXN];
int T[2*MAXN][21]; 
const int mod = 10007;

void update(int x){
  for (int i=0; i<=c; i++) T[x][i]=0;
  for (int i=0; i<=c; i++){
    for (int j=0; j<=c; j++){
       (T[x][min(c,i+j)]+=(T[2*x][i]*T[2*x+1][j])%mod)%=mod;
    }
  }
}

void change(int x){
  x+=n;
  memset(T[x], 0, sizeof T[x]);
  T[x][0]=b[x-n]%mod, T[x][1]=a[x-n]%mod;

  for (x/=2; x>0; x/=2) {
    update(x);
  }
}


signed main(){
  cin>>n>>c;
  for (int i=0; i<n; i++) cin>>a[i];
  for (int i=0; i<n; i++) cin>>b[i];
  for (int i=0; i<n; i++){
    T[i+n][0]=b[i]%mod;
    T[i+n][1]=a[i]%mod;
  }
  for (int i=n-1; i>=1; i--){
    update(i);
  }

  int q; cin>>q;
  while(q--){
    int p; cin>>p;
    p--;
    cin>>a[p]>>b[p];
    change(p);
    cout<<T[1][c]<<'\n';
  }




}

• Subtask 1: 140 / 140