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Submission #1041243

# Submission time Handle Problem Language Result Execution time Memory
1041243 2024-08-01T19:08:42 Z SoulKnight Self Study (JOI22_ho_t2) C++17
64 / 100
 154 ms 11600 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;
        uint64_t free, need; free = need = 0;

        for (int i = 0; i < n; i++){
            ll go_lesson = (cnt(1, i, tar) > cnt(0, i, tar)? 1: 0);
            free += m - go_lesson;
            need += max(0LL, ceil(tar - a[i] * go_lesson, b[i]));
        }

        // cout << free << ' ' << need << ln;

        if (free >= need) {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
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 460 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 2396 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 2396 KB Output is correct
10 Correct 2 ms 604 KB Output is correct
11 Correct 136 ms 10924 KB Output is correct
12 Correct 153 ms 10916 KB Output is correct
13 Correct 130 ms 8840 KB Output is correct
14 Correct 140 ms 8784 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 128 ms 6304 KB Output is correct
17 Correct 144 ms 11088 KB Output is correct
18 Correct 151 ms 10808 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 128 ms 6304 KB Output is correct
3 Correct 144 ms 11088 KB Output is correct
4 Correct 151 ms 10808 KB Output is correct
5 Correct 1 ms 344 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 416 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 352 KB Output is correct
12 Correct 1 ms 2392 KB Output is correct
13 Correct 78 ms 5480 KB Output is correct
14 Correct 48 ms 3932 KB Output is correct
15 Correct 35 ms 2908 KB Output is correct
16 Correct 27 ms 2400 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 352 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 2 ms 348 KB Output is correct
23 Correct 2 ms 608 KB Output is correct

Subtask #3
0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 460 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 2396 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 2396 KB Output is correct
10 Correct 2 ms 604 KB Output is correct
11 Correct 136 ms 10924 KB Output is correct
12 Correct 153 ms 10916 KB Output is correct
13 Correct 130 ms 8840 KB Output is correct
14 Correct 140 ms 8784 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 416 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 352 KB Output is correct
22 Correct 1 ms 2392 KB Output is correct
23 Correct 78 ms 5480 KB Output is correct
24 Correct 48 ms 3932 KB Output is correct
25 Correct 35 ms 2908 KB Output is correct
26 Correct 27 ms 2400 KB Output is correct
27 Correct 1 ms 344 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 352 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 2 ms 348 KB Output is correct
33 Correct 2 ms 608 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 128 ms 6304 KB Output is correct
36 Correct 144 ms 11088 KB Output is correct
37 Correct 151 ms 10808 KB Output is correct
38 Incorrect 1 ms 2400 KB Output isn't correct
39 Halted 0 ms 0 KB -

Subtask #4
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 416 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 352 KB Output is correct
8 Correct 1 ms 2392 KB Output is correct
9 Correct 78 ms 5480 KB Output is correct
10 Correct 48 ms 3932 KB Output is correct
11 Correct 35 ms 2908 KB Output is correct
12 Correct 27 ms 2400 KB Output is correct
13 Correct 1 ms 344 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 352 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 2 ms 348 KB Output is correct
19 Correct 2 ms 608 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 128 ms 6304 KB Output is correct
22 Correct 144 ms 11088 KB Output is correct
23 Correct 151 ms 10808 KB Output is correct
24 Correct 22 ms 1880 KB Output is correct
25 Correct 61 ms 4968 KB Output is correct
26 Correct 15 ms 3164 KB Output is correct
27 Correct 138 ms 11000 KB Output is correct
28 Correct 138 ms 10816 KB Output is correct
29 Correct 139 ms 11016 KB Output is correct
30 Correct 153 ms 10836 KB Output is correct
31 Correct 154 ms 11048 KB Output is correct
32 Correct 131 ms 6232 KB Output is correct
33 Correct 145 ms 11600 KB Output is correct
34 Correct 132 ms 6304 KB Output is correct

Subtask #5
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 460 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 2396 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 2396 KB Output is correct
10 Correct 2 ms 604 KB Output is correct
11 Correct 136 ms 10924 KB Output is correct
12 Correct 153 ms 10916 KB Output is correct
13 Correct 130 ms 8840 KB Output is correct
14 Correct 140 ms 8784 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 416 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 352 KB Output is correct
22 Correct 1 ms 2392 KB Output is correct
23 Correct 78 ms 5480 KB Output is correct
24 Correct 48 ms 3932 KB Output is correct
25 Correct 35 ms 2908 KB Output is correct
26 Correct 27 ms 2400 KB Output is correct
27 Correct 1 ms 344 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 352 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 2 ms 348 KB Output is correct
33 Correct 2 ms 608 KB Output is correct
34 Incorrect 1 ms 2400 KB Output isn't correct
35 Halted 0 ms 0 KB -