Submission #585227

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
585227	2022-06-28T12:53:44 Z	rgnerdplayer	Self Study (JOI22_ho_t2)	C++17	0 / 100	304 ms	8476 KB

Main

#include <bits/stdc++.h>
using namespace std;

using i64 = long long;

int main() {
    cin.tie(nullptr)->sync_with_stdio(false);

#ifdef LOCAL
    freopen("input.txt", "r", stdin);
    freopen("output.txt", "w", stdout);
#endif

    auto solve = [&]() {
        int n, m;
        cin >> n >> m;

        vector<int> a(n), b(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]);
        }

        i64 lo = 0, hi = 1e18;

        while (lo < hi) {
            i64 md = lo + hi + 1 >> 1;
            i64 cnt = 0;
            
            for (int i = 0; i < n; i++) {
                if (md <= 1LL * m * a[i]) {
                    cnt += (md + a[i] - 1) / a[i];
                } else {
                    cnt += m + (md - 1LL * a[i] * m + b[i] - 1) / b[i];
                }
            }

            if (cnt <= 1LL * n * m) {
                lo = md;
            } else {
                hi = md - 1;
            }
        }

        cout << lo << '\n';
    };
    
    solve();
    
    return 0;
}
 

Compilation message

Main.cpp: In lambda function:
Main.cpp:30:30: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   30 |             i64 md = lo + hi + 1 >> 1;
      |                      ~~~~~~~~^~~

Subtask #1

0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	0 ms	316 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	3 ms	340 KB	Output is correct
11	Correct	158 ms	8476 KB	Output is correct
12	Correct	177 ms	8408 KB	Output is correct
13	Correct	164 ms	6608 KB	Output is correct
14	Incorrect	304 ms	6484 KB	Output isn't correct
15	Halted	0 ms	0 KB	-

Subtask #2

0 / 25.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	320 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	1 ms	320 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	1 ms	324 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	82 ms	4400 KB	Output is correct
10	Correct	56 ms	3028 KB	Output is correct
11	Correct	41 ms	2308 KB	Output is correct
12	Correct	35 ms	1944 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	1 ms	316 KB	Output is correct
17	Correct	1 ms	212 KB	Output is correct
18	Incorrect	6 ms	340 KB	Output isn't correct
19	Halted	0 ms	0 KB	-

Subtask #3

0 / 27.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	0 ms	316 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	3 ms	340 KB	Output is correct
11	Correct	158 ms	8476 KB	Output is correct
12	Correct	177 ms	8408 KB	Output is correct
13	Correct	164 ms	6608 KB	Output is correct
14	Incorrect	304 ms	6484 KB	Output isn't correct
15	Halted	0 ms	0 KB	-

Subtask #4

0 / 29.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	320 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	1 ms	320 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	1 ms	324 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	82 ms	4400 KB	Output is correct
10	Correct	56 ms	3028 KB	Output is correct
11	Correct	41 ms	2308 KB	Output is correct
12	Correct	35 ms	1944 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	1 ms	316 KB	Output is correct
17	Correct	1 ms	212 KB	Output is correct
18	Incorrect	6 ms	340 KB	Output isn't correct
19	Halted	0 ms	0 KB	-

Subtask #5

0 / 9.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	0 ms	316 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	3 ms	340 KB	Output is correct
11	Correct	158 ms	8476 KB	Output is correct
12	Correct	177 ms	8408 KB	Output is correct
13	Correct	164 ms	6608 KB	Output is correct
14	Incorrect	304 ms	6484 KB	Output isn't correct
15	Halted	0 ms	0 KB	-