Submission #697273

#	Time	Username	Problem	Language	Result	Execution time	Memory
697273		kusssso	Relativnost (COCI15_relativnost)	C++17	0 / 140	4086 ms	13892 KiB

relativnost

#include<bits/stdc++.h>
using namespace std;
using ll = long long;
using vi = vector<int>;
const int N = 1e5 + 5;
const int mod = 10007;
int n, c;
int q;
int a[N];
int b[N];

signed main() {
      ios_base::sync_with_stdio(0);
      cin.tie(0);
      cin >> n >> c;
      for (int i = 1; i <= n; i++) cin >> a[i];
      for (int i = 1; i <= n; i++) cin >> b[i];
      cin >> q;
      while (q--) {
            int i, na, nb;
            cin >> i >> na >> nb;
            a[i] = na;
            b[i] = nb;
            vector<vi> dp(n + 2, vi (c + 2, 0));
            dp[0][0] = 1;
            ll total = 1;
            ll except = 0;
            for (int j = 1; j <= n; j++) {
                  total = total * (a[j] + b[j]) % mod;
                  for (int k = 0; k < c; k++) {
                        dp[j][k] += dp[j - 1][k] * b[j];
                        if (k > 0) 
                              dp[j][k] += dp[j - 1][k - 1] * a[j];
                        dp[j][k] %= mod;
                        if (j == n) {
                              except = (except + dp[j][k]) % mod;
                        }
                  }
            }
            cout << total - except << '\n';
      }
      return 0;
}

• Subtask 1: 0 / 140