Submission #702931

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
702931	2023-02-25T10:23:56 Z	stevancv	Self Study (JOI22_ho_t2)	C++14	0 / 100	799 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++) {
            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:38:20: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   38 |         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	1 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	7 ms	340 KB	Output is correct
11	Correct	452 ms	4948 KB	Output is correct
12	Correct	448 ms	4948 KB	Output is correct
13	Correct	458 ms	4948 KB	Output is correct
14	Incorrect	799 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	1 ms	212 KB	Output is correct
5	Correct	1 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	209 ms	2644 KB	Output is correct
10	Correct	127 ms	1876 KB	Output is correct
11	Correct	101 ms	1492 KB	Output is correct
12	Correct	78 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	9 ms	400 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	1 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	7 ms	340 KB	Output is correct
11	Correct	452 ms	4948 KB	Output is correct
12	Correct	448 ms	4948 KB	Output is correct
13	Correct	458 ms	4948 KB	Output is correct
14	Incorrect	799 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	1 ms	212 KB	Output is correct
5	Correct	1 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	209 ms	2644 KB	Output is correct
10	Correct	127 ms	1876 KB	Output is correct
11	Correct	101 ms	1492 KB	Output is correct
12	Correct	78 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	9 ms	400 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	1 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	7 ms	340 KB	Output is correct
11	Correct	452 ms	4948 KB	Output is correct
12	Correct	448 ms	4948 KB	Output is correct
13	Correct	458 ms	4948 KB	Output is correct
14	Incorrect	799 ms	4948 KB	Output isn't correct
15	Halted	0 ms	0 KB	-