Submission #638705

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
638705	2022-09-07T04:26:17 Z	jamezzz	Self Study (JOI22_ho_t2)	C++17	0 / 100	726 ms	2628 KB

Main

#include <bits/stdc++.h>
using namespace std;

#define pf printf
#define sf scanf
typedef long long ll;
typedef pair<int,int> ii;

#define maxn 300005

int n,m,a[maxn],b[maxn];

int main(){
	sf("%d%d",&n,&m);
	for(int i=0;i<n;++i){
		sf("%d",&a[i]);
	}
	for(int i=0;i<n;++i){
		sf("%d",&b[i]);
	}
	ll lo=0,hi=1e18+10,mid,res=0;
	while(lo<=hi){
		mid=(lo+hi)>>1;
		ll rem=(ll)n*m;
		for(int i=0;i<n;++i){
			ll take=min((ll)m,(mid+a[i]-1)/a[i]);
			ll self=max((mid-(take*a[i])+b[i]-1)/b[i],0ll);
			ll self2=(mid+b[i]-1)/b[i];
			rem-=min(take+self,self2);
			
		}
		if(rem>=0){
			res=mid;
			lo=mid+1;
		}
		else hi=mid-1;
	}
	pf("%lld\n",res);
}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:14:4: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   14 |  sf("%d%d",&n,&m);
      |    ^
Main.cpp:16:5: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   16 |   sf("%d",&a[i]);
      |     ^
Main.cpp:19:5: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   19 |   sf("%d",&b[i]);
      |     ^

Subtask #1

0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	6 ms	340 KB	Output is correct
11	Correct	377 ms	2628 KB	Output is correct
12	Correct	372 ms	2628 KB	Output is correct
13	Correct	446 ms	2628 KB	Output is correct
14	Incorrect	726 ms	2624 KB	Output isn't correct
15	Halted	0 ms	0 KB	-

Subtask #2

0 / 25.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	193 ms	1460 KB	Output is correct
10	Correct	128 ms	1068 KB	Output is correct
11	Correct	94 ms	880 KB	Output is correct
12	Correct	81 ms	724 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	0 ms	212 KB	Output is correct
17	Correct	1 ms	212 KB	Output is correct
18	Incorrect	13 ms	344 KB	Output isn't correct
19	Halted	0 ms	0 KB	-

Subtask #3

0 / 27.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	6 ms	340 KB	Output is correct
11	Correct	377 ms	2628 KB	Output is correct
12	Correct	372 ms	2628 KB	Output is correct
13	Correct	446 ms	2628 KB	Output is correct
14	Incorrect	726 ms	2624 KB	Output isn't correct
15	Halted	0 ms	0 KB	-

Subtask #4

0 / 29.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	193 ms	1460 KB	Output is correct
10	Correct	128 ms	1068 KB	Output is correct
11	Correct	94 ms	880 KB	Output is correct
12	Correct	81 ms	724 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	0 ms	212 KB	Output is correct
17	Correct	1 ms	212 KB	Output is correct
18	Incorrect	13 ms	344 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	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	6 ms	340 KB	Output is correct
11	Correct	377 ms	2628 KB	Output is correct
12	Correct	372 ms	2628 KB	Output is correct
13	Correct	446 ms	2628 KB	Output is correct
14	Incorrect	726 ms	2624 KB	Output isn't correct
15	Halted	0 ms	0 KB	-