Submission #538665

# Submission time Handle Problem Language Result Execution time Memory
538665 2022-03-17T12:06:45 Z faruk Self Study (JOI22_ho_t2) C++17
0 / 100
373 ms 5012 KB
#include <bits/stdc++.h>
#define pii pair<int, int>
#define ll long long
#define ld long double

using namespace std;

vector<ll> a;
vector<ll> b;
int n; ll m;
bool binary(ll x) {
    ll possible = 0;
    for (int i = 0; i < n ; i++) {
        ll val = a[i] * m;
        if (val < x)
            continue;
        ll diff = val - x;
        possible += diff / a[i];
    }

    for (int i = 0; i < n; i++) {
        ll val = a[i] * m;
        if (val >= x)
            continue;
        ll dif = x - val;
        ll needed = dif / b[i];
        if (dif % b[i])
            needed++;
        possible -= needed;
    }
    return possible < 0;
}

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(0);

    cin >> n >> m;

    a.resize(n);
    b.resize(n);
    for (int i = 0; i < n; i++) {
        cin >> a[i];
    }
    for (int i = 0; i < n; i++)
    {
        cin >> b[i];
        a[i] = max(a[i], b[i]);
    }

    ll l = 0, r = 5e18;
    while (l < r) {
        ll mid = (l + r) / 2;
        if (binary(mid))
            r = mid;
        else
            l = mid + 1;
    }

    cout << l - 1<< "\n";
}
# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 3 ms 340 KB Output is correct
11 Correct 183 ms 4948 KB Output is correct
12 Correct 190 ms 5012 KB Output is correct
13 Correct 192 ms 5008 KB Output is correct
14 Incorrect 373 ms 5012 KB Output isn't correct
15 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 94 ms 2644 KB Output is correct
10 Correct 64 ms 1876 KB Output is correct
11 Correct 50 ms 1492 KB Output is correct
12 Correct 39 ms 1264 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Incorrect 6 ms 392 KB Output isn't correct
19 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 3 ms 340 KB Output is correct
11 Correct 183 ms 4948 KB Output is correct
12 Correct 190 ms 5012 KB Output is correct
13 Correct 192 ms 5008 KB Output is correct
14 Incorrect 373 ms 5012 KB Output isn't correct
15 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 94 ms 2644 KB Output is correct
10 Correct 64 ms 1876 KB Output is correct
11 Correct 50 ms 1492 KB Output is correct
12 Correct 39 ms 1264 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Incorrect 6 ms 392 KB Output isn't correct
19 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 3 ms 340 KB Output is correct
11 Correct 183 ms 4948 KB Output is correct
12 Correct 190 ms 5012 KB Output is correct
13 Correct 192 ms 5008 KB Output is correct
14 Incorrect 373 ms 5012 KB Output isn't correct
15 Halted 0 ms 0 KB -