Submission #480504

#	Time	Username	Problem	Language	Result	Execution time	Memory
480504		2548631	Po (COCI21_po)	C++17	70 / 70	12 ms	404 KiB

Main

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

typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef vector<int> vi;
typedef vector<ll> vll;
typedef vector<pii> vii;
typedef vector<vi> vvi;
typedef vector<vll> vvll;
typedef vector<vii> vvii;

#define fastIO ios::sync_with_stdio(false), cin.tie(NULL)
#define forw(i, l, r) for( int i = (l) ; i < (r) ; i++ )
#define forb(i, r, l) for( int i = (r) ; i >= (l) ; i-- )
#define log2i(x) (64 - __builtin_clzll(1ll * (x)) - 1)
#define numBit(x) (__builtin_popcountll(1ll * (x)))
#define getBit(x, i) ((x) >> (i) & 1)
#define Pi acos(-1.0l)
#define sz(x) int(x.size())
#define mt make_tuple
#define mp make_pair
#define fi first
#define se second
#define pb push_back
#define pf push_front
#define pob pop_back
#define pof pop_front
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
#define debug(x) cerr << #x << " = " << x << '\n';

int n, ans = 0;
deque<int> s;

int main() {
    fastIO;
#ifndef ONLINE_JUDGE
    //freopen("test.inp", "r", stdin);
    //freopen("test.out", "w", stdout);
#endif

    cin >> n;
    forw(i, 0, n) {
        int x; cin >> x;
        while(sz(s) && s.back() >= x) {
            if(s.back() > x) ans++;
            s.pob();
        }
        s.pb(x);
    }
    ans += sz(s);
    if(sz(s) && s.front() == 0) ans--;

    cout << ans;
    return 0;
}

• Subtask 1: 70 / 70