답안 #1041220

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1041220	2024-08-01T18:11:20 Z	SoulKnight	Self Study (JOI22_ho_t2)	C++17	0 / 100	118 ms	5204 KB

Main

#include "bits/stdc++.h"
using namespace std;
#define ll long long
#define ln '\n'

const int N = 3e5 + 5;
const ll INF = 5e18 + 5;

ll n, m, a[N], b[N];
inline ll ceil(ll x, ll y) {return (x + y - 1) / y;}

ll cnt(ll go_lesson, ll i, ll tar){
    return (m - go_lesson) - max(0LL, ceil(tar - a[i] * go_lesson, b[i]));
}

void solve(){
    cin >> n >> m;
    for (int i = 0; i < n; i++) cin >> a[i];
    for (int i = 0; i < n; i++) cin >> b[i];

    // ll l = 7, r = 7, ans = 0;
    ll l = 0, r = INF, ans = 0;
    while (l <= r){
        ll tar = (l + r) / 2;
        ll diff = 0; // diff = free - need

        for (int i = 0; i < n; i++){
            diff += max(cnt(1, i, tar), cnt(0, i, tar));
        }
        if (diff >= 0) {ans = tar; l = tar + 1;}
        else r = tar - 1;
    }
    cout << ans << ln;
}

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);

    // int TT; cin >> TT;
    // while (TT--) {solve();}

    solve();

}

Subtask #1

0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2396 KB	Output is correct
2	Correct	0 ms	2396 KB	Output is correct
3	Correct	0 ms	2396 KB	Output is correct
4	Correct	0 ms	2396 KB	Output is correct
5	Correct	0 ms	2396 KB	Output is correct
6	Correct	0 ms	2396 KB	Output is correct
7	Correct	1 ms	2396 KB	Output is correct
8	Correct	0 ms	2396 KB	Output is correct
9	Correct	1 ms	2396 KB	Output is correct
10	Correct	2 ms	2396 KB	Output is correct
11	Correct	108 ms	5132 KB	Output is correct
12	Correct	107 ms	5204 KB	Output is correct
13	Correct	99 ms	4956 KB	Output is correct
14	Incorrect	118 ms	4952 KB	Output isn't correct
15	Halted	0 ms	0 KB	-

Subtask #2

0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	2396 KB	Output is correct
2	Correct	0 ms	2396 KB	Output is correct
3	Correct	1 ms	2476 KB	Output is correct
4	Correct	0 ms	2396 KB	Output is correct
5	Correct	0 ms	2396 KB	Output is correct
6	Correct	0 ms	2396 KB	Output is correct
7	Correct	0 ms	2396 KB	Output is correct
8	Correct	0 ms	2396 KB	Output is correct
9	Correct	52 ms	4744 KB	Output is correct
10	Correct	35 ms	4696 KB	Output is correct
11	Correct	32 ms	4704 KB	Output is correct
12	Correct	21 ms	4700 KB	Output is correct
13	Correct	1 ms	2396 KB	Output is correct
14	Correct	0 ms	2396 KB	Output is correct
15	Correct	0 ms	2396 KB	Output is correct
16	Correct	0 ms	2396 KB	Output is correct
17	Correct	0 ms	2396 KB	Output is correct
18	Incorrect	2 ms	2396 KB	Output isn't correct
19	Halted	0 ms	0 KB	-

Subtask #3

0 / 27.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2396 KB	Output is correct
2	Correct	0 ms	2396 KB	Output is correct
3	Correct	0 ms	2396 KB	Output is correct
4	Correct	0 ms	2396 KB	Output is correct
5	Correct	0 ms	2396 KB	Output is correct
6	Correct	0 ms	2396 KB	Output is correct
7	Correct	1 ms	2396 KB	Output is correct
8	Correct	0 ms	2396 KB	Output is correct
9	Correct	1 ms	2396 KB	Output is correct
10	Correct	2 ms	2396 KB	Output is correct
11	Correct	108 ms	5132 KB	Output is correct
12	Correct	107 ms	5204 KB	Output is correct
13	Correct	99 ms	4956 KB	Output is correct
14	Incorrect	118 ms	4952 KB	Output isn't correct
15	Halted	0 ms	0 KB	-

Subtask #4

0 / 29.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	2396 KB	Output is correct
2	Correct	0 ms	2396 KB	Output is correct
3	Correct	1 ms	2476 KB	Output is correct
4	Correct	0 ms	2396 KB	Output is correct
5	Correct	0 ms	2396 KB	Output is correct
6	Correct	0 ms	2396 KB	Output is correct
7	Correct	0 ms	2396 KB	Output is correct
8	Correct	0 ms	2396 KB	Output is correct
9	Correct	52 ms	4744 KB	Output is correct
10	Correct	35 ms	4696 KB	Output is correct
11	Correct	32 ms	4704 KB	Output is correct
12	Correct	21 ms	4700 KB	Output is correct
13	Correct	1 ms	2396 KB	Output is correct
14	Correct	0 ms	2396 KB	Output is correct
15	Correct	0 ms	2396 KB	Output is correct
16	Correct	0 ms	2396 KB	Output is correct
17	Correct	0 ms	2396 KB	Output is correct
18	Incorrect	2 ms	2396 KB	Output isn't correct
19	Halted	0 ms	0 KB	-

Subtask #5

0 / 9.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2396 KB	Output is correct
2	Correct	0 ms	2396 KB	Output is correct
3	Correct	0 ms	2396 KB	Output is correct
4	Correct	0 ms	2396 KB	Output is correct
5	Correct	0 ms	2396 KB	Output is correct
6	Correct	0 ms	2396 KB	Output is correct
7	Correct	1 ms	2396 KB	Output is correct
8	Correct	0 ms	2396 KB	Output is correct
9	Correct	1 ms	2396 KB	Output is correct
10	Correct	2 ms	2396 KB	Output is correct
11	Correct	108 ms	5132 KB	Output is correct
12	Correct	107 ms	5204 KB	Output is correct
13	Correct	99 ms	4956 KB	Output is correct
14	Incorrect	118 ms	4952 KB	Output isn't correct
15	Halted	0 ms	0 KB	-