Submission #923743

#	Time	Username	Problem	Language	Result	Execution time	Memory
923743		shahd_abbara	Self Study (JOI22_ho_t2)	C++17	100 / 100	393 ms	9044 KiB

Main

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define endl '\n'
#define what(x) cout << (#x) << " -> " << x << '\n';
#define endl '\n'
#define cno cout << "NO" \
                 << "\n"
#define cy cout << "YES" \
                << "\n"
#define c1 cout << "-1" << '\n'
#define pb push_back
#define ff first
#define ss second
#define sz size()
#define IOS                  \
    ios::sync_with_stdio(0); \
    cin.tie(0);              \
    cout.tie(0);

const ll N = 1000005;
const ll mod = 1000000007;

ll n, m, k, l, r, q, d, x, y, z, id, ind, pointer, point, next, curr, temp;
ll mn = 2e18, mx = 0, Maxmx = 0, Ans = 0, cost = 0, prod = 1, tot = 0, sum = 0;
ll a[N], arr[N], b[N];
vector<ll> v;
string s, t;
bool ok(ll mid)
{
    ll ans = 0;
    for (int i = 1; i <= n; i++)
    {

        temp = mid;
        x = (temp + max(a[i], b[i]) - 1) / max(a[i], b[i]);
        temp -= min(min(m, x) * max(a[i], b[i]), temp);

        y = (temp + b[i] - 1) / b[i];
        ans += min(x, m) + y;
        if (ans > m * n)
            return 0;
    }

    return 1;
}
void solve()
{
    cin >> n >> m;
    x = 1;
    for (int i = 1; i <= n; i++)
    {
        cin >> a[i];
    }
    for (int i = 1; i <= n; i++)
    {
        cin >> b[i];
    }
    ll lo = 1, hi = 1e9;
    while (ok(hi))
        hi *= 2;

    while (lo < hi)
    {
        ll mid = (lo + hi + 1) / 2;

        if (ok(mid))
            lo = mid;
        else
            hi = mid - 1;
    }
    cout << lo << endl;
}
int main()
{
    IOS int testcases = 1;

    // cin >> testcases;
    while (testcases--)
    {

        solve();
    }
}

• Subtask 1: 10 / 10
• Subtask 2: 25 / 25
• Subtask 3: 27 / 27
• Subtask 4: 29 / 29
• Subtask 5: 9 / 9