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Submission #527314

# Submission time Handle Problem Language Result Execution time Memory
527314 2022-02-17T05:58:40 Z ac2hu Self Study (JOI22_ho_t2) C++14
100 / 100
 404 ms 4996 KB 
#include <bits/stdc++.h>
using namespace std;
#define int __int128 
#define ll long long 
// O(N log(MAXN)) = O(60N)
const int N = 3e5 + 10;
ll a[N],b[N];
ll n,m;
bool check(int mid,bool debug){
	int c = 0;
	for(int i = 0;i<n;i++){
		// We have to reach a minimum of mid	
		if(a[i] > b[i]){
			int mx = (mid + a[i] - 1)/a[i];
			mx = min(mx,(int)m);
			if(mid < mx*a[i]){
				c += mx;
				continue;
			}
			int temp = mid - mx*a[i];
			int temp123 = max((temp + b[i] - 1)/b[i],(int)0);
			c += mx + temp123;
		}
		else{
			int mx = (mid + b[i] - 1)/b[i];
			c += mx;
		}
	}
	if(c <= n*m)
		return true;
	else
		return false;
}
signed main() {
	iostream::sync_with_stdio(false);
	cin.tie(nullptr);cout.tie(nullptr);
	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 = 0,r = 2e18;
	while(l < r){
		int mid = (l + r + 1)/2;
		if(check(mid,false))
			l = mid;
		else 
			r = mid - 1;
	}
	// check(r,true);
	assert(check(r,false));
	while(check(r + 1,false))
		r++;
	cout << r << "\n";
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 4 ms 332 KB Output is correct
11 Correct 262 ms 4992 KB Output is correct
12 Correct 269 ms 4992 KB Output is correct
13 Correct 156 ms 4896 KB Output is correct
14 Correct 334 ms 4932 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 198 ms 4988 KB Output is correct
17 Correct 196 ms 4932 KB Output is correct
18 Correct 173 ms 4924 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 198 ms 4988 KB Output is correct
3 Correct 196 ms 4932 KB Output is correct
4 Correct 173 ms 4924 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 0 ms 332 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 84 ms 2580 KB Output is correct
14 Correct 57 ms 1868 KB Output is correct
15 Correct 44 ms 1472 KB Output is correct
16 Correct 33 ms 1244 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 0 ms 204 KB Output is correct
19 Correct 0 ms 204 KB Output is correct
20 Correct 0 ms 204 KB Output is correct
21 Correct 1 ms 204 KB Output is correct
22 Correct 4 ms 332 KB Output is correct
23 Correct 4 ms 332 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 4 ms 332 KB Output is correct
11 Correct 262 ms 4992 KB Output is correct
12 Correct 269 ms 4992 KB Output is correct
13 Correct 156 ms 4896 KB Output is correct
14 Correct 334 ms 4932 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 0 ms 204 KB Output is correct
17 Correct 0 ms 204 KB Output is correct
18 Correct 0 ms 204 KB Output is correct
19 Correct 0 ms 204 KB Output is correct
20 Correct 0 ms 204 KB Output is correct
21 Correct 0 ms 332 KB Output is correct
22 Correct 1 ms 204 KB Output is correct
23 Correct 84 ms 2580 KB Output is correct
24 Correct 57 ms 1868 KB Output is correct
25 Correct 44 ms 1472 KB Output is correct
26 Correct 33 ms 1244 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 0 ms 204 KB Output is correct
29 Correct 0 ms 204 KB Output is correct
30 Correct 0 ms 204 KB Output is correct
31 Correct 1 ms 204 KB Output is correct
32 Correct 4 ms 332 KB Output is correct
33 Correct 4 ms 332 KB Output is correct
34 Correct 1 ms 204 KB Output is correct
35 Correct 198 ms 4988 KB Output is correct
36 Correct 196 ms 4932 KB Output is correct
37 Correct 173 ms 4924 KB Output is correct
38 Correct 0 ms 204 KB Output is correct
39 Correct 1 ms 204 KB Output is correct
40 Correct 0 ms 204 KB Output is correct
41 Correct 0 ms 204 KB Output is correct
42 Correct 0 ms 204 KB Output is correct
43 Correct 1 ms 204 KB Output is correct
44 Correct 0 ms 204 KB Output is correct
45 Correct 5 ms 332 KB Output is correct
46 Correct 8 ms 460 KB Output is correct
47 Correct 1 ms 332 KB Output is correct
48 Correct 47 ms 1060 KB Output is correct
49 Correct 0 ms 204 KB Output is correct
50 Correct 1 ms 204 KB Output is correct
51 Correct 4 ms 332 KB Output is correct
52 Correct 0 ms 204 KB Output is correct
53 Correct 0 ms 204 KB Output is correct
54 Correct 0 ms 204 KB Output is correct
55 Correct 135 ms 2636 KB Output is correct
56 Correct 53 ms 1868 KB Output is correct
57 Correct 103 ms 1868 KB Output is correct

Subtask #4
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 332 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 84 ms 2580 KB Output is correct
10 Correct 57 ms 1868 KB Output is correct
11 Correct 44 ms 1472 KB Output is correct
12 Correct 33 ms 1244 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 0 ms 204 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 0 ms 204 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 4 ms 332 KB Output is correct
19 Correct 4 ms 332 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 198 ms 4988 KB Output is correct
22 Correct 196 ms 4932 KB Output is correct
23 Correct 173 ms 4924 KB Output is correct
24 Correct 33 ms 1004 KB Output is correct
25 Correct 90 ms 2496 KB Output is correct
26 Correct 18 ms 820 KB Output is correct
27 Correct 164 ms 4984 KB Output is correct
28 Correct 164 ms 4988 KB Output is correct
29 Correct 165 ms 4948 KB Output is correct
30 Correct 196 ms 4976 KB Output is correct
31 Correct 220 ms 4956 KB Output is correct
32 Correct 226 ms 4952 KB Output is correct
33 Correct 256 ms 4996 KB Output is correct
34 Correct 230 ms 4904 KB Output is correct

Subtask #5
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 4 ms 332 KB Output is correct
11 Correct 262 ms 4992 KB Output is correct
12 Correct 269 ms 4992 KB Output is correct
13 Correct 156 ms 4896 KB Output is correct
14 Correct 334 ms 4932 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 0 ms 204 KB Output is correct
17 Correct 0 ms 204 KB Output is correct
18 Correct 0 ms 204 KB Output is correct
19 Correct 0 ms 204 KB Output is correct
20 Correct 0 ms 204 KB Output is correct
21 Correct 0 ms 332 KB Output is correct
22 Correct 1 ms 204 KB Output is correct
23 Correct 84 ms 2580 KB Output is correct
24 Correct 57 ms 1868 KB Output is correct
25 Correct 44 ms 1472 KB Output is correct
26 Correct 33 ms 1244 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 0 ms 204 KB Output is correct
29 Correct 0 ms 204 KB Output is correct
30 Correct 0 ms 204 KB Output is correct
31 Correct 1 ms 204 KB Output is correct
32 Correct 4 ms 332 KB Output is correct
33 Correct 4 ms 332 KB Output is correct
34 Correct 0 ms 204 KB Output is correct
35 Correct 1 ms 204 KB Output is correct
36 Correct 0 ms 204 KB Output is correct
37 Correct 0 ms 204 KB Output is correct
38 Correct 0 ms 204 KB Output is correct
39 Correct 1 ms 204 KB Output is correct
40 Correct 0 ms 204 KB Output is correct
41 Correct 5 ms 332 KB Output is correct
42 Correct 8 ms 460 KB Output is correct
43 Correct 1 ms 332 KB Output is correct
44 Correct 47 ms 1060 KB Output is correct
45 Correct 0 ms 204 KB Output is correct
46 Correct 1 ms 204 KB Output is correct
47 Correct 4 ms 332 KB Output is correct
48 Correct 0 ms 204 KB Output is correct
49 Correct 0 ms 204 KB Output is correct
50 Correct 0 ms 204 KB Output is correct
51 Correct 135 ms 2636 KB Output is correct
52 Correct 53 ms 1868 KB Output is correct
53 Correct 103 ms 1868 KB Output is correct
54 Correct 33 ms 1004 KB Output is correct
55 Correct 90 ms 2496 KB Output is correct
56 Correct 18 ms 820 KB Output is correct
57 Correct 164 ms 4984 KB Output is correct
58 Correct 164 ms 4988 KB Output is correct
59 Correct 165 ms 4948 KB Output is correct
60 Correct 196 ms 4976 KB Output is correct
61 Correct 220 ms 4956 KB Output is correct
62 Correct 226 ms 4952 KB Output is correct
63 Correct 256 ms 4996 KB Output is correct
64 Correct 230 ms 4904 KB Output is correct
65 Correct 1 ms 204 KB Output is correct
66 Correct 198 ms 4988 KB Output is correct
67 Correct 196 ms 4932 KB Output is correct
68 Correct 173 ms 4924 KB Output is correct
69 Correct 33 ms 768 KB Output is correct
70 Correct 8 ms 444 KB Output is correct
71 Correct 1 ms 204 KB Output is correct
72 Correct 39 ms 972 KB Output is correct
73 Correct 10 ms 476 KB Output is correct
74 Correct 1 ms 332 KB Output is correct
75 Correct 274 ms 4992 KB Output is correct
76 Correct 267 ms 4996 KB Output is correct
77 Correct 277 ms 4988 KB Output is correct
78 Correct 272 ms 4916 KB Output is correct
79 Correct 293 ms 4896 KB Output is correct
80 Correct 282 ms 4964 KB Output is correct
81 Correct 228 ms 4992 KB Output is correct
82 Correct 404 ms 4988 KB Output is correct