Submission #702932

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
702932	2023-02-25T10:25:32 Z	stevancv	Self Study (JOI22_ho_t2)	C++14	0 / 100	781 ms	4948 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);
    ll n, m;
    cin >> n >> m;
    vector<array<ll, 2>> a(n);
    for (int i = 0; i < n; i++) cin >> a[i][0];
    for (int i = 0; i < n; i++) cin >> a[i][1];
    auto Can = [&] (ll x) {
        ll kol = 0;
        for (int i = 0; i < n; i++) kol += C(x, a[i][1]);
        if (kol <= n * m) return 1;
        for (int i = 0; i < n; i++) {
            if (a[i][0] <= a[i][1]) continue;
            ll u = min(C(x, a[i][0]), m);
            ll s = C(x - u * a[i][0], a[i][1]);
            if (u + s < C(x, a[i][1])) kol += u + s - C(x, a[i][1]);
        }
        if (kol <= n * m) return 1;
        return 0;
    };
    ll l = 0, r = 1e18, ans = l;
    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:39:20: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   39 |         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	1 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	5 ms	340 KB	Output is correct
11	Correct	302 ms	4948 KB	Output is correct
12	Correct	297 ms	4948 KB	Output is correct
13	Correct	165 ms	4948 KB	Output is correct
14	Incorrect	781 ms	4948 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	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	1 ms	212 KB	Output is correct
9	Correct	86 ms	2644 KB	Output is correct
10	Correct	55 ms	1876 KB	Output is correct
11	Correct	42 ms	1492 KB	Output is correct
12	Correct	34 ms	1236 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	0 ms	212 KB	Output is correct
18	Incorrect	5 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	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	5 ms	340 KB	Output is correct
11	Correct	302 ms	4948 KB	Output is correct
12	Correct	297 ms	4948 KB	Output is correct
13	Correct	165 ms	4948 KB	Output is correct
14	Incorrect	781 ms	4948 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	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	1 ms	212 KB	Output is correct
9	Correct	86 ms	2644 KB	Output is correct
10	Correct	55 ms	1876 KB	Output is correct
11	Correct	42 ms	1492 KB	Output is correct
12	Correct	34 ms	1236 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	0 ms	212 KB	Output is correct
18	Incorrect	5 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	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	5 ms	340 KB	Output is correct
11	Correct	302 ms	4948 KB	Output is correct
12	Correct	297 ms	4948 KB	Output is correct
13	Correct	165 ms	4948 KB	Output is correct
14	Incorrect	781 ms	4948 KB	Output isn't correct
15	Halted	0 ms	0 KB	-