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Submission #706522

# Submission time Handle Problem Language Result Execution time Memory
706522 2023-03-06T21:16:22 Z xuliu Self Study (JOI22_ho_t2) C++17
100 / 100
 299 ms 10888 KB 
#include <bits/stdc++.h>

using namespace std;

#define ll long long 
#define debug if(0)

const ll inf = 1e18+4;

int main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	ll 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];
	auto check = [&](ll x) {
		// if can be done with minimum >= x
		__int128 res = 0;
		for(int i=0; i<n; i++) {
			ll y = 0;
			if(b[i] >= a[i]) y += (x+(b[i]-1))/b[i];
			else {
				ll t = (x+(a[i]-1))/a[i];
				if(t > m) {
					y += m;
					ll t2 = ((x-m*a[i])+(b[i]-1))/b[i];
					y += t2;
				} else y += t;
			}
			res += y;
		}
		//debug cerr<<"x: "<<x<<", res = "<<res<<" ; n*m = "<<n*m<<"\n";
		return res <= (n*m);
	};
	ll lo = 0, hi = inf;
	while(lo < hi) {
		ll m = (lo+hi+1)/2LL;
		if(check(m)) lo = m;
		else hi = m-1;
	}
	cout<<lo<<"\n";
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 316 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 320 KB Output is correct
10 Correct 4 ms 460 KB Output is correct
11 Correct 208 ms 10888 KB Output is correct
12 Correct 208 ms 10816 KB Output is correct
13 Correct 153 ms 8832 KB Output is correct
14 Correct 299 ms 8908 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 195 ms 5012 KB Output is correct
17 Correct 176 ms 5008 KB Output is correct
18 Correct 174 ms 5004 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 195 ms 5012 KB Output is correct
3 Correct 176 ms 5008 KB Output is correct
4 Correct 174 ms 5004 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 82 ms 2660 KB Output is correct
14 Correct 55 ms 1876 KB Output is correct
15 Correct 40 ms 1492 KB Output is correct
16 Correct 32 ms 1260 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 4 ms 340 KB Output is correct
23 Correct 4 ms 396 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 316 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 320 KB Output is correct
10 Correct 4 ms 460 KB Output is correct
11 Correct 208 ms 10888 KB Output is correct
12 Correct 208 ms 10816 KB Output is correct
13 Correct 153 ms 8832 KB Output is correct
14 Correct 299 ms 8908 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 82 ms 2660 KB Output is correct
24 Correct 55 ms 1876 KB Output is correct
25 Correct 40 ms 1492 KB Output is correct
26 Correct 32 ms 1260 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 4 ms 340 KB Output is correct
33 Correct 4 ms 396 KB Output is correct
34 Correct 0 ms 212 KB Output is correct
35 Correct 195 ms 5012 KB Output is correct
36 Correct 176 ms 5008 KB Output is correct
37 Correct 174 ms 5004 KB Output is correct
38 Correct 0 ms 212 KB Output is correct
39 Correct 0 ms 320 KB Output is correct
40 Correct 1 ms 320 KB Output is correct
41 Correct 1 ms 324 KB Output is correct
42 Correct 0 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 4 ms 468 KB Output is correct
46 Correct 6 ms 572 KB Output is correct
47 Correct 1 ms 328 KB Output is correct
48 Correct 37 ms 2020 KB Output is correct
49 Correct 1 ms 212 KB Output is correct
50 Correct 1 ms 212 KB Output is correct
51 Correct 4 ms 460 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 324 KB Output is correct
55 Correct 104 ms 5516 KB Output is correct
56 Correct 57 ms 3172 KB Output is correct
57 Correct 111 ms 3168 KB Output is correct

Subtask #4
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 82 ms 2660 KB Output is correct
10 Correct 55 ms 1876 KB Output is correct
11 Correct 40 ms 1492 KB Output is correct
12 Correct 32 ms 1260 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 4 ms 340 KB Output is correct
19 Correct 4 ms 396 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 195 ms 5012 KB Output is correct
22 Correct 176 ms 5008 KB Output is correct
23 Correct 174 ms 5004 KB Output is correct
24 Correct 31 ms 980 KB Output is correct
25 Correct 84 ms 2428 KB Output is correct
26 Correct 19 ms 724 KB Output is correct
27 Correct 159 ms 5004 KB Output is correct
28 Correct 160 ms 5016 KB Output is correct
29 Correct 159 ms 5016 KB Output is correct
30 Correct 173 ms 4948 KB Output is correct
31 Correct 231 ms 5020 KB Output is correct
32 Correct 215 ms 4948 KB Output is correct
33 Correct 245 ms 5008 KB Output is correct
34 Correct 215 ms 5008 KB Output is correct

Subtask #5
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 316 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 320 KB Output is correct
10 Correct 4 ms 460 KB Output is correct
11 Correct 208 ms 10888 KB Output is correct
12 Correct 208 ms 10816 KB Output is correct
13 Correct 153 ms 8832 KB Output is correct
14 Correct 299 ms 8908 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 82 ms 2660 KB Output is correct
24 Correct 55 ms 1876 KB Output is correct
25 Correct 40 ms 1492 KB Output is correct
26 Correct 32 ms 1260 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 4 ms 340 KB Output is correct
33 Correct 4 ms 396 KB Output is correct
34 Correct 0 ms 212 KB Output is correct
35 Correct 0 ms 320 KB Output is correct
36 Correct 1 ms 320 KB Output is correct
37 Correct 1 ms 324 KB Output is correct
38 Correct 0 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 4 ms 468 KB Output is correct
42 Correct 6 ms 572 KB Output is correct
43 Correct 1 ms 328 KB Output is correct
44 Correct 37 ms 2020 KB Output is correct
45 Correct 1 ms 212 KB Output is correct
46 Correct 1 ms 212 KB Output is correct
47 Correct 4 ms 460 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 324 KB Output is correct
51 Correct 104 ms 5516 KB Output is correct
52 Correct 57 ms 3172 KB Output is correct
53 Correct 111 ms 3168 KB Output is correct
54 Correct 31 ms 980 KB Output is correct
55 Correct 84 ms 2428 KB Output is correct
56 Correct 19 ms 724 KB Output is correct
57 Correct 159 ms 5004 KB Output is correct
58 Correct 160 ms 5016 KB Output is correct
59 Correct 159 ms 5016 KB Output is correct
60 Correct 173 ms 4948 KB Output is correct
61 Correct 231 ms 5020 KB Output is correct
62 Correct 215 ms 4948 KB Output is correct
63 Correct 245 ms 5008 KB Output is correct
64 Correct 215 ms 5008 KB Output is correct
65 Correct 0 ms 212 KB Output is correct
66 Correct 195 ms 5012 KB Output is correct
67 Correct 176 ms 5008 KB Output is correct
68 Correct 174 ms 5004 KB Output is correct
69 Correct 25 ms 1452 KB Output is correct
70 Correct 7 ms 596 KB Output is correct
71 Correct 1 ms 212 KB Output is correct
72 Correct 35 ms 1828 KB Output is correct
73 Correct 10 ms 664 KB Output is correct
74 Correct 1 ms 332 KB Output is correct
75 Correct 221 ms 10828 KB Output is correct
76 Correct 205 ms 10804 KB Output is correct
77 Correct 222 ms 10748 KB Output is correct
78 Correct 227 ms 10828 KB Output is correct
79 Correct 226 ms 10804 KB Output is correct
80 Correct 227 ms 10804 KB Output is correct
81 Correct 240 ms 8708 KB Output is correct
82 Correct 216 ms 8820 KB Output is correct