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Submission #875049

# Submission time Handle Problem Language Result Execution time Memory
875049 2023-11-18T15:07:26 Z makrav Self Study (JOI22_ho_t2) C++14
10 / 100
 233 ms 5144 KB 
#define _USE_MATH_DEFINES
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef long double ld;
typedef vector<int> vei;
typedef vector<vei> vevei;

#define all(a) (a).begin(), (a).end()
#define sz(a) (int) a.size()
#define con cout << "NO\n"
#define coe cout << "YES\n";
#define str string
#define pb push_back
#define ff first
#define sc second
#define ss second
#define pii pair<int, int>
#define mxe max_element
#define mne min_element
#define stf shrink_to_fit
#define f(i, l, r) for (int i = (l); i < (r); i++)
#define double ld
#define int __int128

signed main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);

    ll n, m; cin >> n >> m;
    vector<ll> a(n), b(n);
    f(i, 0, n) cin >> a[i];
    f(i, 0, n) cin >> b[i];
    int ans = 1e18;
    f(i, 0, n) {
        ans = min(ans, (int)max(a[i], b[i]));
    }
    int L = -1, R = 1e14;
    while (R - L > 1) {
        int M = (L + R) / 2;
        int need = 0;
        f(i, 0, n) {
            if (b[i] > a[i]) {
                need += (M + b[i] - 1) / b[i];
            }
            else {
                if ((M + a[i] - 1) / a[i] <= m) {
                    need += (M + a[i] - 1) / a[i];
                }
                else {
                    need += m + (M - a[i] * m + b[i] - 1) / b[i];
                }
            }
        }
        if (need > m * n) R = M;
        else L = M;
    }
    if (L > ans) assert(false);
    cout << (ll)L << '\n';

    return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 504 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 3 ms 348 KB Output is correct
11 Correct 184 ms 4956 KB Output is correct
12 Correct 193 ms 4956 KB Output is correct
13 Correct 104 ms 4952 KB Output is correct
14 Correct 190 ms 5144 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 233 ms 4956 KB Output is correct
17 Correct 158 ms 5140 KB Output is correct
18 Correct 155 ms 4956 KB Output is correct

Subtask #2
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 233 ms 4956 KB Output is correct
3 Correct 158 ms 5140 KB Output is correct
4 Correct 155 ms 4956 KB Output is correct
5 Runtime error 1 ms 600 KB Execution killed with signal 6
6 Halted 0 ms 0 KB -

Subtask #3
0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 504 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 3 ms 348 KB Output is correct
11 Correct 184 ms 4956 KB Output is correct
12 Correct 193 ms 4956 KB Output is correct
13 Correct 104 ms 4952 KB Output is correct
14 Correct 190 ms 5144 KB Output is correct
15 Runtime error 1 ms 600 KB Execution killed with signal 6
16 Halted 0 ms 0 KB -

Subtask #4
0 / 29.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 600 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -

Subtask #5
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 504 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 3 ms 348 KB Output is correct
11 Correct 184 ms 4956 KB Output is correct
12 Correct 193 ms 4956 KB Output is correct
13 Correct 104 ms 4952 KB Output is correct
14 Correct 190 ms 5144 KB Output is correct
15 Runtime error 1 ms 600 KB Execution killed with signal 6
16 Halted 0 ms 0 KB -