oj.uz

Submission #979165

# Submission time Handle Problem Language Result Execution time Memory
979165 2024-05-10T10:26:02 Z vjudge1 Self Study (JOI22_ho_t2) C++17
10 / 100
 55 ms 5148 KB 
#include<bits/stdc++.h>
#define ft first
#define sd second
#define pb push_back
#define nl "\n"
#define int ll
typedef long long ll;
typedef long double ld;
using namespace std;

const int mod = 1e9 + 7;
const int N = 2000;

signed main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int T = 1;
    while(T--) {
        int n, m;
        cin >> n >> m;
        int a[n + 1], b[n + 1], mn = 1e18, mx = 0;
        for (int i = 1; i <= n; i++) {
            cin >> a[i];
            mn = min( mn, a[i] * m);
            mx = max( mx, a[i] * m);
        }
        for (int i = 1; i <= n; i++) {
            cin >> b[i];
        }
        if (m == 1) {
            int l = 1e18;
            for (int i = 1; i <= n; i++) {
                l = min( l, max(a[i], b[i]));
            }
            cout << l << nl;
        } else {
            int l = mn, r = mx + 1;
            while(l + 1 < r) {
                int mid = (l + r) / 2;
                int s = 0;
                for (int i = 1; i <= n; i++) {
                    if (a[i] * m && a[i] >= mid) {
                        //s += ((a[i] * m - mid) / a[i]);
                        s += m - mid / a[i];
                        if (mid % a[i] != 0) {
                            s--;
                        }
                    } else {
                        //s -= (mid - a[i] * m) / a[i];
                        s -= (mid / a[i] - m);
                    }
                }
                if (s >= 0) {
                    l = mid;
                } else {
                    r = mid;
                }
            }
            cout << l << nl;
        }
    }
}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:43:30: warning: '*' in boolean context, suggest '&&' instead [-Wint-in-bool-context]
   43 |                     if (a[i] * m && a[i] >= mid) {
      |                         ~~~~~^~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 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 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 2 ms 348 KB Output is correct
11 Correct 47 ms 4956 KB Output is correct
12 Correct 48 ms 4956 KB Output is correct
13 Correct 36 ms 4952 KB Output is correct
14 Correct 37 ms 4956 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 25 ms 5148 KB Output is correct
17 Correct 55 ms 4956 KB Output is correct
18 Correct 51 ms 5128 KB Output is correct

Subtask #2
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 25 ms 5148 KB Output is correct
3 Correct 55 ms 4956 KB Output is correct
4 Correct 51 ms 5128 KB Output is correct
5 Incorrect 0 ms 344 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #3
0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 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 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 2 ms 348 KB Output is correct
11 Correct 47 ms 4956 KB Output is correct
12 Correct 48 ms 4956 KB Output is correct
13 Correct 36 ms 4952 KB Output is correct
14 Correct 37 ms 4956 KB Output is correct
15 Incorrect 0 ms 344 KB Output isn't correct
16 Halted 0 ms 0 KB -

Subtask #4
0 / 29.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 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 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 2 ms 348 KB Output is correct
11 Correct 47 ms 4956 KB Output is correct
12 Correct 48 ms 4956 KB Output is correct
13 Correct 36 ms 4952 KB Output is correct
14 Correct 37 ms 4956 KB Output is correct
15 Incorrect 0 ms 344 KB Output isn't correct
16 Halted 0 ms 0 KB -