Submission #702993

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
702993	2023-02-25T12:15:24 Z	stevancv	Self Study (JOI22_ho_t2)	C++14	0 / 100	723 ms	5012 KB

Main

#include <bits/stdc++.h>
#define ll long long
#define ld long double
#define sp ' '
#define en '\n'
#define smin(a, b) a = min(a, b)
#define smax(a, b) a = max(a, b)
using namespace std;
const int N = 2e5 + 2;
const int inf = 2e9;
ll C(ll a, ll b) {
    if (a <= 0) return 0;
    return (a + b - 1) / b;
}
int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    int n;
    ll m;
    cin >> n >> m;
    vector<ll> a(n), b(n);
    for (int i = 0; i < n; i++) cin >> a[i];
    for (int i = 0; i < n; i++) cin >> b[i];
    auto Can = [&] (ll x) {
        ll kol = 0;
        for (int i = 0; i < n; i++) {
            kol += C(x, b[i]);
            ll u = min(C(x, a[i]), m);
            ll s = C(x - u * a[i], b[i]);
            if (u + s < C(x, b[i])) kol += u + s - C(x, b[i]);
        }
        return kol <= n * m;
    };
    ll l = 1, r = 1e18, ans = 0;
    while (l <= r) {
        ll mid = l + r >> 1;
        if (Can(mid)) {
            l = mid + 1;
            ans = mid;
        }
        else r = mid - 1;
    }
    cout << ans << en;
    return 0;
}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:37:20: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   37 |         ll mid = l + r >> 1;
      |                  ~~^~~

Subtask #1

0 / 10.0

#	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	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	6 ms	340 KB	Output is correct
11	Correct	325 ms	5012 KB	Output is correct
12	Correct	330 ms	5004 KB	Output is correct
13	Correct	447 ms	5008 KB	Output is correct
14	Incorrect	723 ms	5012 KB	Output isn't correct
15	Halted	0 ms	0 KB	-

Subtask #2

0 / 25.0

#	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	1 ms	212 KB	Output is correct
5	Correct	1 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	169 ms	2660 KB	Output is correct
10	Correct	118 ms	1888 KB	Output is correct
11	Correct	82 ms	1492 KB	Output is correct
12	Correct	71 ms	1252 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	0 ms	212 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Incorrect	13 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	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	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	6 ms	340 KB	Output is correct
11	Correct	325 ms	5012 KB	Output is correct
12	Correct	330 ms	5004 KB	Output is correct
13	Correct	447 ms	5008 KB	Output is correct
14	Incorrect	723 ms	5012 KB	Output isn't correct
15	Halted	0 ms	0 KB	-

Subtask #4

0 / 29.0

#	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	1 ms	212 KB	Output is correct
5	Correct	1 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	169 ms	2660 KB	Output is correct
10	Correct	118 ms	1888 KB	Output is correct
11	Correct	82 ms	1492 KB	Output is correct
12	Correct	71 ms	1252 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	0 ms	212 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Incorrect	13 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	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	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	6 ms	340 KB	Output is correct
11	Correct	325 ms	5012 KB	Output is correct
12	Correct	330 ms	5004 KB	Output is correct
13	Correct	447 ms	5008 KB	Output is correct
14	Incorrect	723 ms	5012 KB	Output isn't correct
15	Halted	0 ms	0 KB	-