oj.uz

Submission #695782

# Submission time Handle Problem Language Result Execution time Memory
695782 2023-02-05T07:52:57 Z ethening Self Study (JOI22_ho_t2) C++17
100 / 100
 496 ms 11460 KB 
#include "bits/stdc++.h"
#include <functional>
using namespace std;
using ll = long long;
using pii = pair<int, int>;

int main() {
	cin.tie(0)->sync_with_stdio(0);
	int n, m;
	cin >> n >> m;
	vector<ll> a(n), b(n);
	for (int i = 0; i < n; i++) {
		cin >> a[i];
	}
	for (int i = 0; i < n; i++) {
		cin >> b[i];
	}
	for (int i = 0; i < n; i++) {
		a[i] = max(a[i], b[i]);
	}

	auto check = [&](ll mid) -> bool {
		ll freeLesson = 0;
		for (int i = 0; i < n; i++) {
			ll numLesson = mid / a[i] + ((mid % a[i] == 0) ? 0 : 1);
			// cout << "@@@" << i << " " << a[i] << " " << numLesson << endl;
			if (numLesson < m) {
				freeLesson += m - numLesson;
			}
		}
		// cout << mid << " " << freeLesson << endl;
		for (int i = 0; i < n; i++) {
			ll numLesson = mid / a[i] + ((mid % a[i] == 0) ? 0 : 1);
			if (numLesson > m) {
				ll stillNeed = max(0ll, mid - m * a[i]);
				freeLesson -= stillNeed / b[i] + ((stillNeed % b[i] == 0) ? 0 : 1);
			}
			if (freeLesson < 0) return false;
		}
		return true;
	};

	ll l = 0;
	ll r = 1e18;
	while (l <= r) {
		ll mid = (l + r) / 2;
		if (check(mid)) {
			l = mid + 1;
		}
		else {
			r = mid - 1;
		}
	}
	cout << r << "\n";
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 324 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 256 KB Output is correct
5 Correct 1 ms 320 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 320 KB Output is correct
9 Correct 1 ms 256 KB Output is correct
10 Correct 5 ms 480 KB Output is correct
11 Correct 262 ms 10756 KB Output is correct
12 Correct 232 ms 10808 KB Output is correct
13 Correct 234 ms 8820 KB Output is correct
14 Correct 232 ms 8824 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 230 ms 6184 KB Output is correct
17 Correct 259 ms 11460 KB Output is correct
18 Correct 244 ms 10892 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 230 ms 6184 KB Output is correct
3 Correct 259 ms 11460 KB Output is correct
4 Correct 244 ms 10892 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 232 KB Output is correct
8 Correct 1 ms 256 KB Output is correct
9 Correct 1 ms 320 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 316 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 121 ms 5564 KB Output is correct
14 Correct 88 ms 3824 KB Output is correct
15 Correct 64 ms 2944 KB Output is correct
16 Correct 63 ms 2420 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 4 ms 340 KB Output is correct
23 Correct 6 ms 468 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 324 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 256 KB Output is correct
5 Correct 1 ms 320 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 320 KB Output is correct
9 Correct 1 ms 256 KB Output is correct
10 Correct 5 ms 480 KB Output is correct
11 Correct 262 ms 10756 KB Output is correct
12 Correct 232 ms 10808 KB Output is correct
13 Correct 234 ms 8820 KB Output is correct
14 Correct 232 ms 8824 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 232 KB Output is correct
18 Correct 1 ms 256 KB Output is correct
19 Correct 1 ms 320 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 316 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 121 ms 5564 KB Output is correct
24 Correct 88 ms 3824 KB Output is correct
25 Correct 64 ms 2944 KB Output is correct
26 Correct 63 ms 2420 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 4 ms 340 KB Output is correct
33 Correct 6 ms 468 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 230 ms 6184 KB Output is correct
36 Correct 259 ms 11460 KB Output is correct
37 Correct 244 ms 10892 KB Output is correct
38 Correct 1 ms 212 KB Output is correct
39 Correct 1 ms 320 KB Output is correct
40 Correct 1 ms 252 KB Output is correct
41 Correct 1 ms 212 KB Output is correct
42 Correct 1 ms 212 KB Output is correct
43 Correct 1 ms 212 KB Output is correct
44 Correct 1 ms 212 KB Output is correct
45 Correct 6 ms 468 KB Output is correct
46 Correct 19 ms 716 KB Output is correct
47 Correct 2 ms 340 KB Output is correct
48 Correct 46 ms 2064 KB Output is correct
49 Correct 1 ms 212 KB Output is correct
50 Correct 1 ms 212 KB Output is correct
51 Correct 6 ms 484 KB Output is correct
52 Correct 1 ms 212 KB Output is correct
53 Correct 1 ms 212 KB Output is correct
54 Correct 1 ms 212 KB Output is correct
55 Correct 132 ms 5444 KB Output is correct
56 Correct 64 ms 3164 KB Output is correct
57 Correct 74 ms 3164 KB Output is correct

Subtask #4
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 232 KB Output is correct
4 Correct 1 ms 256 KB Output is correct
5 Correct 1 ms 320 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 316 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 121 ms 5564 KB Output is correct
10 Correct 88 ms 3824 KB Output is correct
11 Correct 64 ms 2944 KB Output is correct
12 Correct 63 ms 2420 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 4 ms 340 KB Output is correct
19 Correct 6 ms 468 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 230 ms 6184 KB Output is correct
22 Correct 259 ms 11460 KB Output is correct
23 Correct 244 ms 10892 KB Output is correct
24 Correct 70 ms 1944 KB Output is correct
25 Correct 183 ms 5032 KB Output is correct
26 Correct 34 ms 1328 KB Output is correct
27 Correct 258 ms 10820 KB Output is correct
28 Correct 231 ms 10824 KB Output is correct
29 Correct 289 ms 10760 KB Output is correct
30 Correct 327 ms 10764 KB Output is correct
31 Correct 413 ms 10816 KB Output is correct
32 Correct 320 ms 6184 KB Output is correct
33 Correct 493 ms 11460 KB Output is correct
34 Correct 326 ms 6184 KB Output is correct

Subtask #5
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 324 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 256 KB Output is correct
5 Correct 1 ms 320 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 320 KB Output is correct
9 Correct 1 ms 256 KB Output is correct
10 Correct 5 ms 480 KB Output is correct
11 Correct 262 ms 10756 KB Output is correct
12 Correct 232 ms 10808 KB Output is correct
13 Correct 234 ms 8820 KB Output is correct
14 Correct 232 ms 8824 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 232 KB Output is correct
18 Correct 1 ms 256 KB Output is correct
19 Correct 1 ms 320 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 316 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 121 ms 5564 KB Output is correct
24 Correct 88 ms 3824 KB Output is correct
25 Correct 64 ms 2944 KB Output is correct
26 Correct 63 ms 2420 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 4 ms 340 KB Output is correct
33 Correct 6 ms 468 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 1 ms 320 KB Output is correct
36 Correct 1 ms 252 KB Output is correct
37 Correct 1 ms 212 KB Output is correct
38 Correct 1 ms 212 KB Output is correct
39 Correct 1 ms 212 KB Output is correct
40 Correct 1 ms 212 KB Output is correct
41 Correct 6 ms 468 KB Output is correct
42 Correct 19 ms 716 KB Output is correct
43 Correct 2 ms 340 KB Output is correct
44 Correct 46 ms 2064 KB Output is correct
45 Correct 1 ms 212 KB Output is correct
46 Correct 1 ms 212 KB Output is correct
47 Correct 6 ms 484 KB Output is correct
48 Correct 1 ms 212 KB Output is correct
49 Correct 1 ms 212 KB Output is correct
50 Correct 1 ms 212 KB Output is correct
51 Correct 132 ms 5444 KB Output is correct
52 Correct 64 ms 3164 KB Output is correct
53 Correct 74 ms 3164 KB Output is correct
54 Correct 70 ms 1944 KB Output is correct
55 Correct 183 ms 5032 KB Output is correct
56 Correct 34 ms 1328 KB Output is correct
57 Correct 258 ms 10820 KB Output is correct
58 Correct 231 ms 10824 KB Output is correct
59 Correct 289 ms 10760 KB Output is correct
60 Correct 327 ms 10764 KB Output is correct
61 Correct 413 ms 10816 KB Output is correct
62 Correct 320 ms 6184 KB Output is correct
63 Correct 493 ms 11460 KB Output is correct
64 Correct 326 ms 6184 KB Output is correct
65 Correct 1 ms 212 KB Output is correct
66 Correct 230 ms 6184 KB Output is correct
67 Correct 259 ms 11460 KB Output is correct
68 Correct 244 ms 10892 KB Output is correct
69 Correct 48 ms 1476 KB Output is correct
70 Correct 12 ms 556 KB Output is correct
71 Correct 1 ms 212 KB Output is correct
72 Correct 65 ms 1824 KB Output is correct
73 Correct 17 ms 588 KB Output is correct
74 Correct 2 ms 340 KB Output is correct
75 Correct 257 ms 10816 KB Output is correct
76 Correct 281 ms 10944 KB Output is correct
77 Correct 280 ms 10816 KB Output is correct
78 Correct 347 ms 10832 KB Output is correct
79 Correct 490 ms 10820 KB Output is correct
80 Correct 482 ms 10816 KB Output is correct
81 Correct 444 ms 8836 KB Output is correct
82 Correct 496 ms 8856 KB Output is correct