Submission #907539

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
907539	2024-01-15T20:26:02 Z	AlphaMale06	Self Study (JOI22_ho_t2)	C++14	10 / 100	76 ms	11576 KB

Main

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using ld = long double;
#define yes cout << "YES\n"
#define no cout << "NO\n"
#define F first
#define S second
#define pb push_back
#define mp make_pair
#define all(x) (x).begin(), (x).end()
#define int long long


void solve(){
	int n, m;
	cin >> n >> m;
	int a[n], b[n];
	for(int i=0; i< n; i++)cin >> a[i];
	for(int i=0; i< n; i++)cin >> b[i];
	int l=0; int r=1e18+1;
	int ans=1e18;
	if(m==1){
		for(int i=0; i< n; i++){
			ans=min(ans, max(a[i], b[i]));
		}
		cout << ans << '\n';
		return;
	}
	while(l<=r){
		int s=l+r>>1;
		int save=0;
		for(int i=0; i< n; i++){
			int mx=max(a[i], b[i]);
			if(mx*m>=s)save+=m-(s+mx-1)/mx;
			else save-=(s-mx*m+b[i]-1)/b[i];
		}
		if(save>=0){ 
			ans=s;
			l=s+1;
		}
		else r=s-1;
	}
	cout << ans << '\n';
}


signed main(){
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	solve();
}

Compilation message

Main.cpp: In function 'void solve()':
Main.cpp:31:10: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   31 |   int s=l+r>>1;
      |         ~^~

Subtask #1

10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	1 ms	344 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	1 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	1 ms	348 KB	Output is correct
7	Correct	1 ms	600 KB	Output is correct
8	Correct	1 ms	344 KB	Output is correct
9	Correct	1 ms	348 KB	Output is correct
10	Correct	1 ms	348 KB	Output is correct
11	Correct	47 ms	4956 KB	Output is correct
12	Correct	47 ms	4956 KB	Output is correct
13	Correct	38 ms	4952 KB	Output is correct
14	Correct	46 ms	4952 KB	Output is correct
15	Correct	1 ms	348 KB	Output is correct
16	Correct	28 ms	6228 KB	Output is correct
17	Correct	57 ms	11576 KB	Output is correct
18	Correct	53 ms	10732 KB	Output is correct

Subtask #2

0 / 25.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	28 ms	6228 KB	Output is correct
3	Correct	57 ms	11576 KB	Output is correct
4	Correct	53 ms	10732 KB	Output is correct
5	Correct	1 ms	344 KB	Output is correct
6	Correct	1 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	1 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	1 ms	348 KB	Output is correct
12	Correct	1 ms	348 KB	Output is correct
13	Correct	76 ms	2780 KB	Output is correct
14	Correct	49 ms	1992 KB	Output is correct
15	Correct	37 ms	1368 KB	Output is correct
16	Correct	31 ms	1372 KB	Output is correct
17	Correct	2 ms	504 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	1 ms	348 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Incorrect	5 ms	348 KB	Output isn't correct
23	Halted	0 ms	0 KB	-

Subtask #3

0 / 27.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	1 ms	344 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	1 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	1 ms	348 KB	Output is correct
7	Correct	1 ms	600 KB	Output is correct
8	Correct	1 ms	344 KB	Output is correct
9	Correct	1 ms	348 KB	Output is correct
10	Correct	1 ms	348 KB	Output is correct
11	Correct	47 ms	4956 KB	Output is correct
12	Correct	47 ms	4956 KB	Output is correct
13	Correct	38 ms	4952 KB	Output is correct
14	Correct	46 ms	4952 KB	Output is correct
15	Correct	1 ms	344 KB	Output is correct
16	Correct	1 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	1 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	1 ms	348 KB	Output is correct
22	Correct	1 ms	348 KB	Output is correct
23	Correct	76 ms	2780 KB	Output is correct
24	Correct	49 ms	1992 KB	Output is correct
25	Correct	37 ms	1368 KB	Output is correct
26	Correct	31 ms	1372 KB	Output is correct
27	Correct	2 ms	504 KB	Output is correct
28	Correct	0 ms	348 KB	Output is correct
29	Correct	0 ms	348 KB	Output is correct
30	Correct	1 ms	348 KB	Output is correct
31	Correct	0 ms	348 KB	Output is correct
32	Incorrect	5 ms	348 KB	Output isn't correct
33	Halted	0 ms	0 KB	-

Subtask #4

0 / 29.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	1 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	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	1 ms	348 KB	Output is correct
8	Correct	1 ms	348 KB	Output is correct
9	Correct	76 ms	2780 KB	Output is correct
10	Correct	49 ms	1992 KB	Output is correct
11	Correct	37 ms	1368 KB	Output is correct
12	Correct	31 ms	1372 KB	Output is correct
13	Correct	2 ms	504 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	1 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Incorrect	5 ms	348 KB	Output isn't correct
19	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	1 ms	344 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	1 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	1 ms	348 KB	Output is correct
7	Correct	1 ms	600 KB	Output is correct
8	Correct	1 ms	344 KB	Output is correct
9	Correct	1 ms	348 KB	Output is correct
10	Correct	1 ms	348 KB	Output is correct
11	Correct	47 ms	4956 KB	Output is correct
12	Correct	47 ms	4956 KB	Output is correct
13	Correct	38 ms	4952 KB	Output is correct
14	Correct	46 ms	4952 KB	Output is correct
15	Correct	1 ms	344 KB	Output is correct
16	Correct	1 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	1 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	1 ms	348 KB	Output is correct
22	Correct	1 ms	348 KB	Output is correct
23	Correct	76 ms	2780 KB	Output is correct
24	Correct	49 ms	1992 KB	Output is correct
25	Correct	37 ms	1368 KB	Output is correct
26	Correct	31 ms	1372 KB	Output is correct
27	Correct	2 ms	504 KB	Output is correct
28	Correct	0 ms	348 KB	Output is correct
29	Correct	0 ms	348 KB	Output is correct
30	Correct	1 ms	348 KB	Output is correct
31	Correct	0 ms	348 KB	Output is correct
32	Incorrect	5 ms	348 KB	Output isn't correct
33	Halted	0 ms	0 KB	-