oj.uz

Submission #842873

# Submission time Handle Problem Language Result Execution time Memory
842873 2023-09-03T12:40:32 Z _Avocado_ Self Study (JOI22_ho_t2) C++14
62 / 100
 238 ms 5356 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;
}

int min(int a, int b){
	if(a < b) return a;
	return b;
}

const int MAXI = LLONG_MAX;

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 > MAXI - min(m, days)) 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 > MAXI - extra_days) return 0;
			sum += extra_days;
		}
	}
	
	if(sum <= n*m) return 1;
	return 0;
}
			

int bsearch(auto&a, auto&b){
	int l = -1;
	int r = 1e18+18;
	
	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:18:18: warning: use of 'auto' in parameter declaration only available with '-fconcepts-ts'
   18 | int check(int x, auto&a, auto&b){
      |                  ^~~~
Main.cpp:18:26: warning: use of 'auto' in parameter declaration only available with '-fconcepts-ts'
   18 | int check(int x, auto&a, auto&b){
      |                          ^~~~
Main.cpp:37:13: warning: use of 'auto' in parameter declaration only available with '-fconcepts-ts'
   37 | int bsearch(auto&a, auto&b){
      |             ^~~~
Main.cpp:37:21: warning: use of 'auto' in parameter declaration only available with '-fconcepts-ts'
   37 | int bsearch(auto&a, auto&b){
      |                     ^~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 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 348 KB Output is correct
5 Correct 1 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 3 ms 344 KB Output is correct
11 Correct 208 ms 5140 KB Output is correct
12 Correct 200 ms 4952 KB Output is correct
13 Correct 209 ms 5200 KB Output is correct
14 Correct 182 ms 5136 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 238 ms 5140 KB Output is correct
17 Correct 219 ms 4944 KB Output is correct
18 Correct 206 ms 5144 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 238 ms 5140 KB Output is correct
3 Correct 219 ms 4944 KB Output is correct
4 Correct 206 ms 5144 KB Output is correct
5 Correct 1 ms 600 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 0 ms 348 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 0 ms 344 KB Output is correct
13 Correct 103 ms 2792 KB Output is correct
14 Correct 69 ms 1880 KB Output is correct
15 Correct 51 ms 1624 KB Output is correct
16 Correct 43 ms 1372 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 348 KB Output is correct
20 Correct 0 ms 344 KB Output is correct
21 Correct 0 ms 344 KB Output is correct
22 Correct 5 ms 344 KB Output is correct
23 Correct 4 ms 344 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 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 348 KB Output is correct
5 Correct 1 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 3 ms 344 KB Output is correct
11 Correct 208 ms 5140 KB Output is correct
12 Correct 200 ms 4952 KB Output is correct
13 Correct 209 ms 5200 KB Output is correct
14 Correct 182 ms 5136 KB Output is correct
15 Correct 1 ms 600 KB Output is correct
16 Correct 0 ms 344 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 348 KB Output is correct
20 Correct 0 ms 344 KB Output is correct
21 Correct 1 ms 344 KB Output is correct
22 Correct 0 ms 344 KB Output is correct
23 Correct 103 ms 2792 KB Output is correct
24 Correct 69 ms 1880 KB Output is correct
25 Correct 51 ms 1624 KB Output is correct
26 Correct 43 ms 1372 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 348 KB Output is correct
30 Correct 0 ms 344 KB Output is correct
31 Correct 0 ms 344 KB Output is correct
32 Correct 5 ms 344 KB Output is correct
33 Correct 4 ms 344 KB Output is correct
34 Correct 0 ms 344 KB Output is correct
35 Correct 238 ms 5140 KB Output is correct
36 Correct 219 ms 4944 KB Output is correct
37 Correct 206 ms 5144 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 1 ms 592 KB Output is correct
43 Correct 0 ms 344 KB Output is correct
44 Correct 0 ms 344 KB Output is correct
45 Correct 4 ms 344 KB Output is correct
46 Correct 7 ms 344 KB Output is correct
47 Correct 1 ms 344 KB Output is correct
48 Correct 37 ms 1112 KB Output is correct
49 Correct 0 ms 344 KB Output is correct
50 Correct 1 ms 348 KB Output is correct
51 Correct 4 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 103 ms 3024 KB Output is correct
56 Correct 70 ms 1880 KB Output is correct
57 Correct 66 ms 2012 KB Output is correct

Subtask #4
0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 600 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 348 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 103 ms 2792 KB Output is correct
10 Correct 69 ms 1880 KB Output is correct
11 Correct 51 ms 1624 KB Output is correct
12 Correct 43 ms 1372 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 348 KB Output is correct
16 Correct 0 ms 344 KB Output is correct
17 Correct 0 ms 344 KB Output is correct
18 Correct 5 ms 344 KB Output is correct
19 Correct 4 ms 344 KB Output is correct
20 Correct 0 ms 344 KB Output is correct
21 Correct 238 ms 5140 KB Output is correct
22 Correct 219 ms 4944 KB Output is correct
23 Correct 206 ms 5144 KB Output is correct
24 Correct 34 ms 1176 KB Output is correct
25 Correct 107 ms 2552 KB Output is correct
26 Correct 23 ms 856 KB Output is correct
27 Correct 206 ms 4952 KB Output is correct
28 Correct 211 ms 5204 KB Output is correct
29 Correct 212 ms 4952 KB Output is correct
30 Correct 213 ms 5204 KB Output is correct
31 Correct 205 ms 5136 KB Output is correct
32 Correct 230 ms 5356 KB Output is correct
33 Incorrect 204 ms 4944 KB Output isn't correct
34 Halted 0 ms 0 KB -

Subtask #5
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 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 348 KB Output is correct
5 Correct 1 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 3 ms 344 KB Output is correct
11 Correct 208 ms 5140 KB Output is correct
12 Correct 200 ms 4952 KB Output is correct
13 Correct 209 ms 5200 KB Output is correct
14 Correct 182 ms 5136 KB Output is correct
15 Correct 1 ms 600 KB Output is correct
16 Correct 0 ms 344 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 348 KB Output is correct
20 Correct 0 ms 344 KB Output is correct
21 Correct 1 ms 344 KB Output is correct
22 Correct 0 ms 344 KB Output is correct
23 Correct 103 ms 2792 KB Output is correct
24 Correct 69 ms 1880 KB Output is correct
25 Correct 51 ms 1624 KB Output is correct
26 Correct 43 ms 1372 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 348 KB Output is correct
30 Correct 0 ms 344 KB Output is correct
31 Correct 0 ms 344 KB Output is correct
32 Correct 5 ms 344 KB Output is correct
33 Correct 4 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 1 ms 592 KB Output is correct
39 Correct 0 ms 344 KB Output is correct
40 Correct 0 ms 344 KB Output is correct
41 Correct 4 ms 344 KB Output is correct
42 Correct 7 ms 344 KB Output is correct
43 Correct 1 ms 344 KB Output is correct
44 Correct 37 ms 1112 KB Output is correct
45 Correct 0 ms 344 KB Output is correct
46 Correct 1 ms 348 KB Output is correct
47 Correct 4 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 103 ms 3024 KB Output is correct
52 Correct 70 ms 1880 KB Output is correct
53 Correct 66 ms 2012 KB Output is correct
54 Correct 34 ms 1176 KB Output is correct
55 Correct 107 ms 2552 KB Output is correct
56 Correct 23 ms 856 KB Output is correct
57 Correct 206 ms 4952 KB Output is correct
58 Correct 211 ms 5204 KB Output is correct
59 Correct 212 ms 4952 KB Output is correct
60 Correct 213 ms 5204 KB Output is correct
61 Correct 205 ms 5136 KB Output is correct
62 Correct 230 ms 5356 KB Output is correct
63 Incorrect 204 ms 4944 KB Output isn't correct
64 Halted 0 ms 0 KB -