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Submission #527313

# Submission time Handle Problem Language Result Execution time Memory
527313 2022-02-17T05:58:10 Z ac2hu Self Study (JOI22_ho_t2) C++14
100 / 100
 393 ms 9672 KB 
#include <bits/stdc++.h>
using namespace std;
#define int unsigned long long 
// O(N log(MAXN)) = O(60N)
const int N = 3e5 + 10;
int a[N],b[N];
int n,m;
bool check(int mid,bool debug){
	if(debug)
		cout << mid << "---> \n";
	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,m);
			if(mid < mx*a[i]){
				c += mx;
				continue;
			}
			int temp = mid - mx*a[i];
			int temp123 = max((temp + b[i] - 1)/b[i],0ull);
			c += mx + temp123;
			if(debug)
				cout << mx << " " << temp123 << "\n";
		}
		else{
			int mx = (mid + b[i] - 1)/b[i];
			c += mx;
			if(debug)
				cout << mx << "\n";
		}
	}
	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];
	int 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 1 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 0 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 320 KB Output is correct
10 Correct 4 ms 416 KB Output is correct
11 Correct 207 ms 9540 KB Output is correct
12 Correct 213 ms 9392 KB Output is correct
13 Correct 159 ms 6536 KB Output is correct
14 Correct 299 ms 8656 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 201 ms 5316 KB Output is correct
17 Correct 182 ms 5752 KB Output is correct
18 Correct 166 ms 6212 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 201 ms 5316 KB Output is correct
3 Correct 182 ms 5752 KB Output is correct
4 Correct 166 ms 6212 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 1 ms 320 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 320 KB Output is correct
11 Correct 1 ms 256 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 87 ms 4700 KB Output is correct
14 Correct 59 ms 2696 KB Output is correct
15 Correct 43 ms 2124 KB Output is correct
16 Correct 36 ms 1780 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 0 ms 204 KB Output is correct
19 Correct 1 ms 320 KB Output is correct
20 Correct 0 ms 204 KB Output is correct
21 Correct 0 ms 332 KB Output is correct
22 Correct 4 ms 368 KB Output is correct
23 Correct 4 ms 452 KB Output is correct

Subtask #3
27.0 / 27.0

# 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 1 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 0 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 320 KB Output is correct
10 Correct 4 ms 416 KB Output is correct
11 Correct 207 ms 9540 KB Output is correct
12 Correct 213 ms 9392 KB Output is correct
13 Correct 159 ms 6536 KB Output is correct
14 Correct 299 ms 8656 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 320 KB Output is correct
18 Correct 0 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 1 ms 320 KB Output is correct
21 Correct 1 ms 256 KB Output is correct
22 Correct 1 ms 204 KB Output is correct
23 Correct 87 ms 4700 KB Output is correct
24 Correct 59 ms 2696 KB Output is correct
25 Correct 43 ms 2124 KB Output is correct
26 Correct 36 ms 1780 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 0 ms 204 KB Output is correct
29 Correct 1 ms 320 KB Output is correct
30 Correct 0 ms 204 KB Output is correct
31 Correct 0 ms 332 KB Output is correct
32 Correct 4 ms 368 KB Output is correct
33 Correct 4 ms 452 KB Output is correct
34 Correct 0 ms 204 KB Output is correct
35 Correct 201 ms 5316 KB Output is correct
36 Correct 182 ms 5752 KB Output is correct
37 Correct 166 ms 6212 KB Output is correct
38 Correct 0 ms 204 KB Output is correct
39 Correct 0 ms 296 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 0 ms 204 KB Output is correct
44 Correct 0 ms 204 KB Output is correct
45 Correct 4 ms 436 KB Output is correct
46 Correct 7 ms 568 KB Output is correct
47 Correct 1 ms 332 KB Output is correct
48 Correct 37 ms 1652 KB Output is correct
49 Correct 1 ms 204 KB Output is correct
50 Correct 1 ms 204 KB Output is correct
51 Correct 4 ms 336 KB Output is correct
52 Correct 0 ms 204 KB Output is correct
53 Correct 1 ms 204 KB Output is correct
54 Correct 1 ms 316 KB Output is correct
55 Correct 106 ms 4320 KB Output is correct
56 Correct 56 ms 2440 KB Output is correct
57 Correct 102 ms 2512 KB Output is correct

Subtask #4
29.0 / 29.0

# 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 1 ms 320 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 320 KB Output is correct
7 Correct 1 ms 256 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 87 ms 4700 KB Output is correct
10 Correct 59 ms 2696 KB Output is correct
11 Correct 43 ms 2124 KB Output is correct
12 Correct 36 ms 1780 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 0 ms 204 KB Output is correct
15 Correct 1 ms 320 KB Output is correct
16 Correct 0 ms 204 KB Output is correct
17 Correct 0 ms 332 KB Output is correct
18 Correct 4 ms 368 KB Output is correct
19 Correct 4 ms 452 KB Output is correct
20 Correct 0 ms 204 KB Output is correct
21 Correct 201 ms 5316 KB Output is correct
22 Correct 182 ms 5752 KB Output is correct
23 Correct 166 ms 6212 KB Output is correct
24 Correct 36 ms 1360 KB Output is correct
25 Correct 90 ms 3268 KB Output is correct
26 Correct 19 ms 964 KB Output is correct
27 Correct 167 ms 6752 KB Output is correct
28 Correct 169 ms 6748 KB Output is correct
29 Correct 171 ms 6668 KB Output is correct
30 Correct 178 ms 6784 KB Output is correct
31 Correct 221 ms 7948 KB Output is correct
32 Correct 230 ms 5568 KB Output is correct
33 Correct 244 ms 6724 KB Output is correct
34 Correct 229 ms 4936 KB Output is correct

Subtask #5
9.0 / 9.0

# 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 1 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 0 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 320 KB Output is correct
10 Correct 4 ms 416 KB Output is correct
11 Correct 207 ms 9540 KB Output is correct
12 Correct 213 ms 9392 KB Output is correct
13 Correct 159 ms 6536 KB Output is correct
14 Correct 299 ms 8656 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 320 KB Output is correct
18 Correct 0 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 1 ms 320 KB Output is correct
21 Correct 1 ms 256 KB Output is correct
22 Correct 1 ms 204 KB Output is correct
23 Correct 87 ms 4700 KB Output is correct
24 Correct 59 ms 2696 KB Output is correct
25 Correct 43 ms 2124 KB Output is correct
26 Correct 36 ms 1780 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 0 ms 204 KB Output is correct
29 Correct 1 ms 320 KB Output is correct
30 Correct 0 ms 204 KB Output is correct
31 Correct 0 ms 332 KB Output is correct
32 Correct 4 ms 368 KB Output is correct
33 Correct 4 ms 452 KB Output is correct
34 Correct 0 ms 204 KB Output is correct
35 Correct 0 ms 296 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 0 ms 204 KB Output is correct
40 Correct 0 ms 204 KB Output is correct
41 Correct 4 ms 436 KB Output is correct
42 Correct 7 ms 568 KB Output is correct
43 Correct 1 ms 332 KB Output is correct
44 Correct 37 ms 1652 KB Output is correct
45 Correct 1 ms 204 KB Output is correct
46 Correct 1 ms 204 KB Output is correct
47 Correct 4 ms 336 KB Output is correct
48 Correct 0 ms 204 KB Output is correct
49 Correct 1 ms 204 KB Output is correct
50 Correct 1 ms 316 KB Output is correct
51 Correct 106 ms 4320 KB Output is correct
52 Correct 56 ms 2440 KB Output is correct
53 Correct 102 ms 2512 KB Output is correct
54 Correct 36 ms 1360 KB Output is correct
55 Correct 90 ms 3268 KB Output is correct
56 Correct 19 ms 964 KB Output is correct
57 Correct 167 ms 6752 KB Output is correct
58 Correct 169 ms 6748 KB Output is correct
59 Correct 171 ms 6668 KB Output is correct
60 Correct 178 ms 6784 KB Output is correct
61 Correct 221 ms 7948 KB Output is correct
62 Correct 230 ms 5568 KB Output is correct
63 Correct 244 ms 6724 KB Output is correct
64 Correct 229 ms 4936 KB Output is correct
65 Correct 0 ms 204 KB Output is correct
66 Correct 201 ms 5316 KB Output is correct
67 Correct 182 ms 5752 KB Output is correct
68 Correct 166 ms 6212 KB Output is correct
69 Correct 27 ms 956 KB Output is correct
70 Correct 7 ms 332 KB Output is correct
71 Correct 1 ms 204 KB Output is correct
72 Correct 37 ms 1236 KB Output is correct
73 Correct 9 ms 532 KB Output is correct
74 Correct 1 ms 340 KB Output is correct
75 Correct 214 ms 7012 KB Output is correct
76 Correct 211 ms 6776 KB Output is correct
77 Correct 212 ms 6232 KB Output is correct
78 Correct 236 ms 5268 KB Output is correct
79 Correct 240 ms 6732 KB Output is correct
80 Correct 247 ms 9672 KB Output is correct
81 Correct 224 ms 6448 KB Output is correct
82 Correct 393 ms 6824 KB Output is correct