Submission #229129

#	Time	Username	Problem	Language	Result	Execution time	Memory
229129		Vimmer	Preokret (COCI18_preokret)	C++14	50 / 50	5 ms	384 KiB

preokret

#include <bits/stdc++.h>

//#pragma GCC optimize("unroll-loops")
//#pragma GCC optimize("-O3")
//#pragma GCC optimize("Ofast")
//#pragma GCC optimize("fast-math")
//#pragma GCC optimize("no-stack-protector")

#define F first
#define S second
#define sz(x) ll(x.size())
#define pb push_back
#define N 200005
#define MOD ll(998244353)

using namespace std;

typedef long double ld;

typedef long long ll;

typedef short int si;

int main()
{
    //freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout);

    ios_base::sync_with_stdio(0); istream::sync_with_stdio(0); cin.tie(0); cout.tie(0);

    int n;

    cin >> n;

    vector <pair <int, int> > g; g.clear();

    for (int i = 0; i < n; i++) {int x; cin >> x; g.pb({x, 1});}

    int m;

    cin >> m;

    for (int i = 0; i < m; i++) {int x; cin >> x; g.pb({x, 2});}

    sort(g.begin(), g.end());

    int ans = 0;

    int i = 0;

    while (i < sz(g) && g[i].F <= 24 * 60) i++;

    cout << i << endl;

    int lst1 = -1, lst2 = -1;

    int a = 0, b = 0;

    for (int i = 0; i < sz(g); i++)
    {
        if (g[i].S == 1) a++; else b++;

        if (a > b && lst1 > lst2) ans++;
          else if (a < b && lst1 < lst2) ans++;

        if (a > b) lst2 = i;

        if (a < b) lst1 = i;
    }

    cout << ans << endl;
}

• Subtask 1: 50 / 50