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Submission #1041193

# Submission time Handle Problem Language Result Execution time Memory
1041193 2024-08-01T17:31:57 Z SoulKnight Self Study (JOI22_ho_t2) C++17
0 / 100
 126 ms 10928 KB 
#include "bits/stdc++.h"
using namespace std;
#define ll long long
#define ln '\n'

const int N = 3e5 + 5;
const ll INF = 3e15 + 5;

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

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 = 25, r = 25, ans = 0;
    ll l = 0, r = INF, ans = 0;
    while (l <= r){
        ll tar = (l + r) / 2;
        ll free, need; free = need = 0;

        for (int i = 0; i < n; i++){
            if (b[i] >= a[i]) {
                free += max(0LL, m - ceil(tar, b[i]));
                need += max(0LL, ceil(tar, b[i]) - m);
            } else {
                ll go_lesson = min(m, ceil(tar, a[i]));
                need += max(0LL, ceil(tar - a[i] * go_lesson, b[i]));
                free += max(0LL, m - go_lesson);
            }
            // cout << need << ' ' << free << ln;
        }
        if (need <= free) {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

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 2 ms 2396 KB Output is correct
11 Correct 111 ms 10728 KB Output is correct
12 Correct 107 ms 10928 KB Output is correct
13 Correct 74 ms 8928 KB Output is correct
14 Incorrect 126 ms 8952 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 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 2396 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 46 ms 5528 KB Output is correct
10 Correct 21 ms 3764 KB Output is correct
11 Correct 16 ms 2932 KB Output is correct
12 Correct 14 ms 2396 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 452 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 1 ms 2652 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Incorrect 55 ms 6120 KB Output isn't correct
22 Halted 0 ms 0 KB -

Subtask #3
0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 2 ms 2396 KB Output is correct
11 Correct 111 ms 10728 KB Output is correct
12 Correct 107 ms 10928 KB Output is correct
13 Correct 74 ms 8928 KB Output is correct
14 Incorrect 126 ms 8952 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 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 2396 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 46 ms 5528 KB Output is correct
10 Correct 21 ms 3764 KB Output is correct
11 Correct 16 ms 2932 KB Output is correct
12 Correct 14 ms 2396 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 452 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 1 ms 2652 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Incorrect 55 ms 6120 KB Output isn't correct
22 Halted 0 ms 0 KB -

Subtask #5
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 2 ms 2396 KB Output is correct
11 Correct 111 ms 10728 KB Output is correct
12 Correct 107 ms 10928 KB Output is correct
13 Correct 74 ms 8928 KB Output is correct
14 Incorrect 126 ms 8952 KB Output isn't correct
15 Halted 0 ms 0 KB -