답안 #529415

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
529415	2022-02-23T02:00:27 Z	wiwiho	Self Study (JOI22_ho_t2)	C++14	0 / 100	385 ms	5004 KB

Main

#include <bits/stdc++.h>

#define iter(a) a.begin(), a.end()

using namespace std;

typedef long long ll;

ll iceil(ll a, ll b){
    return (a + b - 1) / b;
}

int n;
ll m;
vector<ll> a, b;

bool check(ll mn){
    ll cnt = 0;
    for(int i = 1; i <= n; i++){
        ll need = iceil(mn, a[i]);
        if(need <= m){
            cnt += m - need;
            continue;
        }
        ll tmp = mn - m * a[i];
        assert(tmp > 0);
        cnt -= iceil(tmp, b[i]);
    }

    return cnt >= 0;
}

mt19937 rnd(123123);
uniform_int_distribution<int> ud(48763, 123456);

int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(0);

    cin >> n >> m;
    a.resize(n + 1);
    b.resize(n + 1);
    for(int i = 1; i <= n; i++) cin >> a[i];
    for(int i = 1; i <= n; i++) cin >> b[i];

    //for(int i = 1; i <= n; i++) a[i] = ud(rnd);
    //for(int i = 1; i <= n; i++) b[i] = ud(rnd);
    
    for(int i = 1; i <= n; i++) a[i] = max(a[i], b[i]);

    //for(int i = 1; i <= 10; i++) cerr << check(i) << " ";
    //cerr << "\n";

    ll tans = *min_element(a.begin() + 1, a.end());
    //cout << *min_element(a.begin() + 1, a.end()) << "\n";
    //return 0;

    ll l = 0, r = 1e15;
    while(l < r){
        ll mid = (l + r + 1) / 2;
        if(check(mid)) l = mid;
        else r = mid - 1;
    }


    cout << l << "\n";

    return 0;
}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:54:8: warning: unused variable 'tans' [-Wunused-variable]
   54 |     ll tans = *min_element(a.begin() + 1, a.end());
      |        ^~~~

Subtask #1

0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	0 ms	204 KB	Output is correct
10	Correct	3 ms	332 KB	Output is correct
11	Correct	179 ms	5004 KB	Output is correct
12	Correct	171 ms	4940 KB	Output is correct
13	Correct	182 ms	5004 KB	Output is correct
14	Incorrect	350 ms	4940 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	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	100 ms	2656 KB	Output is correct
10	Correct	67 ms	1876 KB	Output is correct
11	Correct	43 ms	1484 KB	Output is correct
12	Correct	37 ms	1228 KB	Output is correct
13	Correct	1 ms	204 KB	Output is correct
14	Correct	0 ms	204 KB	Output is correct
15	Correct	0 ms	204 KB	Output is correct
16	Correct	0 ms	204 KB	Output is correct
17	Correct	0 ms	204 KB	Output is correct
18	Correct	5 ms	332 KB	Output is correct
19	Correct	3 ms	332 KB	Output is correct
20	Correct	0 ms	204 KB	Output is correct
21	Incorrect	385 ms	5004 KB	Output isn't correct
22	Halted	0 ms	0 KB	-

Subtask #3

0 / 27.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	0 ms	204 KB	Output is correct
10	Correct	3 ms	332 KB	Output is correct
11	Correct	179 ms	5004 KB	Output is correct
12	Correct	171 ms	4940 KB	Output is correct
13	Correct	182 ms	5004 KB	Output is correct
14	Incorrect	350 ms	4940 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	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	100 ms	2656 KB	Output is correct
10	Correct	67 ms	1876 KB	Output is correct
11	Correct	43 ms	1484 KB	Output is correct
12	Correct	37 ms	1228 KB	Output is correct
13	Correct	1 ms	204 KB	Output is correct
14	Correct	0 ms	204 KB	Output is correct
15	Correct	0 ms	204 KB	Output is correct
16	Correct	0 ms	204 KB	Output is correct
17	Correct	0 ms	204 KB	Output is correct
18	Correct	5 ms	332 KB	Output is correct
19	Correct	3 ms	332 KB	Output is correct
20	Correct	0 ms	204 KB	Output is correct
21	Incorrect	385 ms	5004 KB	Output isn't correct
22	Halted	0 ms	0 KB	-

Subtask #5

0 / 9.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	0 ms	204 KB	Output is correct
10	Correct	3 ms	332 KB	Output is correct
11	Correct	179 ms	5004 KB	Output is correct
12	Correct	171 ms	4940 KB	Output is correct
13	Correct	182 ms	5004 KB	Output is correct
14	Incorrect	350 ms	4940 KB	Output isn't correct
15	Halted	0 ms	0 KB	-