Submission #6414783

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Source Code Expand

// https://atcoder.jp/contests/bcu30-2019/tasks/bcu30_2019_b

#include <bits/stdc++.h>
#define _overload3(_1, _2, _3, name, ...) name
#define REP(i, n) for (int(i) = 0; (i) < (n); (i)++)
#define REPR(i, n) for (int(i) = (n); (i) >= 0; (i)--)
#define FOR(i, m, n) for (int(i) = (m); (i) < (n); i++)
#define FORR(i, m, n) for (int(i) = (n); (i) >= (m); i--)
#define rep(...) _overload3(__VA_ARGS__, FOR, REP, )(__VA_ARGS__)
#define repr(...) _overload3(__VA_ARGS__, FORR, REPR, )(__VA_ARGS__)
#define UNIQUE(v) v.erase(unique(v.begin(), v.end()), v.end());
#define INF 1e9
#define ALL(v) (v).begin(), (v).end()
#define pb push_back
#define mp make_pair
#define F first
#define S second
using namespace std;
using ll = long long;
using pll = pair<ll, ll>;

int main()
{
  ll N, lA = 0, A, cnt = 1;
  cin >> N;
  rep(i, N)
  {
    cin >> A;
    if (A < lA)
      cnt++;
    lA = A;
  }
  if (lA == 0)
    cnt--;

  cout << cnt << '\n';

  return 0;
}

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