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Submission #1041233

# Submission time Handle Problem Language Result Execution time Memory
1041233 2024-08-01T18:35:14 Z SoulKnight Self Study (JOI22_ho_t2) C++17
0 / 100
 115 ms 5132 KB 
#include "bits/stdc++.h"
using namespace std;
#define ll long long
#define ln '\n'

const int N = 3e5 + 5;
const ll INF = 1e18 + 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 = 1, r = INF, ans = 1;
    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

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2392 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 0 ms 2392 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 2 ms 2396 KB Output is correct
11 Correct 103 ms 4956 KB Output is correct
12 Correct 102 ms 5132 KB Output is correct
13 Correct 103 ms 4956 KB Output is correct
14 Incorrect 115 ms 5076 KB Output isn't correct
15 Halted 0 ms 0 KB -

Subtask #2
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 0 ms 2396 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 51 ms 2652 KB Output is correct
10 Correct 34 ms 1884 KB Output is correct
11 Correct 26 ms 2908 KB Output is correct
12 Correct 27 ms 2908 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 1 ms 2392 KB Output is correct
18 Incorrect 2 ms 2392 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 2392 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 0 ms 2392 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 2 ms 2396 KB Output is correct
11 Correct 103 ms 4956 KB Output is correct
12 Correct 102 ms 5132 KB Output is correct
13 Correct 103 ms 4956 KB Output is correct
14 Incorrect 115 ms 5076 KB Output isn't correct
15 Halted 0 ms 0 KB -

Subtask #4
0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 0 ms 2396 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 51 ms 2652 KB Output is correct
10 Correct 34 ms 1884 KB Output is correct
11 Correct 26 ms 2908 KB Output is correct
12 Correct 27 ms 2908 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 1 ms 2392 KB Output is correct
18 Incorrect 2 ms 2392 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 2392 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 0 ms 2392 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 2 ms 2396 KB Output is correct
11 Correct 103 ms 4956 KB Output is correct
12 Correct 102 ms 5132 KB Output is correct
13 Correct 103 ms 4956 KB Output is correct
14 Incorrect 115 ms 5076 KB Output isn't correct
15 Halted 0 ms 0 KB -