Submission #359019

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
359019	2021-01-26 09:09:37	jesus_coconut	Fancy Fence (CEOI20_fancyfence)	C++17	100 / 100	30 ms	6988 KiB

fancyfence

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#include <bits/stdc++.h>
using namespace std;
using ll = long long;
int const MOD = 1e9 + 7;
int n;
vector<ll> h, w;
void read() {
  cin >> n;
  h.resize(n);
  w.resize(n);
  for (auto &a : h) cin >> a;
  for (auto &a : w) cin >> a;
}
ll modsub(ll a, ll b) {
  ll ret = (a - b) % MOD;
  if (ret < 0) ret += MOD;
  return ret;
}
ll pot(ll a, int k) {
  ll ret = 1;
  while (k) {
    if (k % 2) {
      ret *= a;
      ret %= MOD;
    }
 
 
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