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
#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());
      |        ^~~~
# 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 -
# 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 -
# 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 -
# 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 -
# 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 -