oj.uz

Submission #842850

# Submission time Handle Problem Language Result Execution time Memory
842850 2023-09-03T12:17:51 Z _Avocado_ Self Study (JOI22_ho_t2) C++14
62 / 100
 206 ms 5200 KB 
#include <bits/stdc++.h>
#define int int64_t
using namespace std;

int n, m;

int up(int a, int b){
	return (a + (b-1))/b;
}

const int INF = 1e18+18;

int check(int x, auto&a, auto&b){
	int sum = 0;
	for(int i = 0; i<n; ++i){
		int days = up(x, a[i]);
		if(sum > n*m) return 0;
		sum += min(m, (int)days);
		if(days > m){
			int rest = x - (m*a[i]);
			int extra_days = up(rest, b[i]);
			if(sum > n*m) return 0;
			sum += extra_days;
		}
	}
	
	if(sum <= n*m) return 1;
	return 0;
}
			

int bsearch(auto&a, auto&b){
	int l = -1;
	int r = INF;
	
	while(r-l > 1){
		int x = (r+l)/2;
		
		if(check(x, a, b)) l = x;
		else r = x;
	}
	
	return l;
}

signed main(){
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	//freopen("input.in", "r", stdin);
	//freopen("output.out", "w", stdout);
	
	cin>>n>>m;
	
	vector<int>a(n);
	for(auto&u: a) cin>>u;
	vector<int>b(n);
	for(auto&u: b) cin>>u;
	
	for(int i = 0; i<n; ++i){
		a[i] = max(a[i], b[i]);
	}
	
	cout<<bsearch(a, b);
	
	cout<<'\n';
}

Compilation message

Main.cpp:13:18: warning: use of 'auto' in parameter declaration only available with '-fconcepts-ts'
   13 | int check(int x, auto&a, auto&b){
      |                  ^~~~
Main.cpp:13:26: warning: use of 'auto' in parameter declaration only available with '-fconcepts-ts'
   13 | int check(int x, auto&a, auto&b){
      |                          ^~~~
Main.cpp:32:13: warning: use of 'auto' in parameter declaration only available with '-fconcepts-ts'
   32 | int bsearch(auto&a, auto&b){
      |             ^~~~
Main.cpp:32:21: warning: use of 'auto' in parameter declaration only available with '-fconcepts-ts'
   32 | int bsearch(auto&a, auto&b){
      |                     ^~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 2 ms 344 KB Output is correct
11 Correct 81 ms 4952 KB Output is correct
12 Correct 81 ms 4944 KB Output is correct
13 Correct 79 ms 4952 KB Output is correct
14 Correct 58 ms 5096 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 28 ms 4952 KB Output is correct
17 Correct 92 ms 4944 KB Output is correct
18 Correct 82 ms 5136 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 28 ms 4952 KB Output is correct
3 Correct 92 ms 4944 KB Output is correct
4 Correct 82 ms 5136 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 344 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 344 KB Output is correct
13 Correct 46 ms 2648 KB Output is correct
14 Correct 30 ms 1880 KB Output is correct
15 Correct 21 ms 1624 KB Output is correct
16 Correct 20 ms 1368 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 0 ms 344 KB Output is correct
19 Correct 0 ms 344 KB Output is correct
20 Correct 0 ms 344 KB Output is correct
21 Correct 0 ms 344 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
23 Correct 2 ms 344 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 2 ms 344 KB Output is correct
11 Correct 81 ms 4952 KB Output is correct
12 Correct 81 ms 4944 KB Output is correct
13 Correct 79 ms 4952 KB Output is correct
14 Correct 58 ms 5096 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 344 KB Output is correct
19 Correct 0 ms 344 KB Output is correct
20 Correct 0 ms 344 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 344 KB Output is correct
23 Correct 46 ms 2648 KB Output is correct
24 Correct 30 ms 1880 KB Output is correct
25 Correct 21 ms 1624 KB Output is correct
26 Correct 20 ms 1368 KB Output is correct
27 Correct 1 ms 344 KB Output is correct
28 Correct 0 ms 344 KB Output is correct
29 Correct 0 ms 344 KB Output is correct
30 Correct 0 ms 344 KB Output is correct
31 Correct 0 ms 344 KB Output is correct
32 Correct 1 ms 344 KB Output is correct
33 Correct 2 ms 344 KB Output is correct
34 Correct 0 ms 344 KB Output is correct
35 Correct 28 ms 4952 KB Output is correct
36 Correct 92 ms 4944 KB Output is correct
37 Correct 82 ms 5136 KB Output is correct
38 Correct 0 ms 344 KB Output is correct
39 Correct 0 ms 344 KB Output is correct
40 Correct 0 ms 344 KB Output is correct
41 Correct 0 ms 344 KB Output is correct
42 Correct 0 ms 344 KB Output is correct
43 Correct 0 ms 344 KB Output is correct
44 Correct 0 ms 344 KB Output is correct
45 Correct 2 ms 344 KB Output is correct
46 Correct 3 ms 344 KB Output is correct
47 Correct 1 ms 348 KB Output is correct
48 Correct 20 ms 1112 KB Output is correct
49 Correct 0 ms 348 KB Output is correct
50 Correct 0 ms 344 KB Output is correct
51 Correct 2 ms 344 KB Output is correct
52 Correct 0 ms 344 KB Output is correct
53 Correct 0 ms 344 KB Output is correct
54 Correct 0 ms 344 KB Output is correct
55 Correct 53 ms 2648 KB Output is correct
56 Correct 31 ms 1880 KB Output is correct
57 Correct 21 ms 1880 KB Output is correct

Subtask #4
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 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 46 ms 2648 KB Output is correct
10 Correct 30 ms 1880 KB Output is correct
11 Correct 21 ms 1624 KB Output is correct
12 Correct 20 ms 1368 KB Output is correct
13 Correct 1 ms 344 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 0 ms 344 KB Output is correct
17 Correct 0 ms 344 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 2 ms 344 KB Output is correct
20 Correct 0 ms 344 KB Output is correct
21 Correct 28 ms 4952 KB Output is correct
22 Correct 92 ms 4944 KB Output is correct
23 Correct 82 ms 5136 KB Output is correct
24 Correct 29 ms 1112 KB Output is correct
25 Correct 70 ms 2556 KB Output is correct
26 Correct 12 ms 860 KB Output is correct
27 Correct 92 ms 5140 KB Output is correct
28 Correct 95 ms 4952 KB Output is correct
29 Correct 95 ms 4952 KB Output is correct
30 Correct 123 ms 5136 KB Output is correct
31 Correct 189 ms 4944 KB Output is correct
32 Correct 137 ms 5200 KB Output is correct
33 Incorrect 206 ms 5144 KB Output isn't correct
34 Halted 0 ms 0 KB -

Subtask #5
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 2 ms 344 KB Output is correct
11 Correct 81 ms 4952 KB Output is correct
12 Correct 81 ms 4944 KB Output is correct
13 Correct 79 ms 4952 KB Output is correct
14 Correct 58 ms 5096 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 344 KB Output is correct
19 Correct 0 ms 344 KB Output is correct
20 Correct 0 ms 344 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 344 KB Output is correct
23 Correct 46 ms 2648 KB Output is correct
24 Correct 30 ms 1880 KB Output is correct
25 Correct 21 ms 1624 KB Output is correct
26 Correct 20 ms 1368 KB Output is correct
27 Correct 1 ms 344 KB Output is correct
28 Correct 0 ms 344 KB Output is correct
29 Correct 0 ms 344 KB Output is correct
30 Correct 0 ms 344 KB Output is correct
31 Correct 0 ms 344 KB Output is correct
32 Correct 1 ms 344 KB Output is correct
33 Correct 2 ms 344 KB Output is correct
34 Correct 0 ms 344 KB Output is correct
35 Correct 0 ms 344 KB Output is correct
36 Correct 0 ms 344 KB Output is correct
37 Correct 0 ms 344 KB Output is correct
38 Correct 0 ms 344 KB Output is correct
39 Correct 0 ms 344 KB Output is correct
40 Correct 0 ms 344 KB Output is correct
41 Correct 2 ms 344 KB Output is correct
42 Correct 3 ms 344 KB Output is correct
43 Correct 1 ms 348 KB Output is correct
44 Correct 20 ms 1112 KB Output is correct
45 Correct 0 ms 348 KB Output is correct
46 Correct 0 ms 344 KB Output is correct
47 Correct 2 ms 344 KB Output is correct
48 Correct 0 ms 344 KB Output is correct
49 Correct 0 ms 344 KB Output is correct
50 Correct 0 ms 344 KB Output is correct
51 Correct 53 ms 2648 KB Output is correct
52 Correct 31 ms 1880 KB Output is correct
53 Correct 21 ms 1880 KB Output is correct
54 Correct 29 ms 1112 KB Output is correct
55 Correct 70 ms 2556 KB Output is correct
56 Correct 12 ms 860 KB Output is correct
57 Correct 92 ms 5140 KB Output is correct
58 Correct 95 ms 4952 KB Output is correct
59 Correct 95 ms 4952 KB Output is correct
60 Correct 123 ms 5136 KB Output is correct
61 Correct 189 ms 4944 KB Output is correct
62 Correct 137 ms 5200 KB Output is correct
63 Incorrect 206 ms 5144 KB Output isn't correct
64 Halted 0 ms 0 KB -