답안 #638703

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
638703	2022-09-07T04:19:41 Z	jamezzz	Self Study (JOI22_ho_t2)	C++17	0 / 100	470 ms	8644 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=1,hi=1e18,mid,res;
	while(lo<=hi){
		mid=(lo+hi)>>1;
		ll rem=(ll)n*m;
		for(int i=0;i<n;++i){
			if(a[i]>b[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);
				rem-=take+self;
			}
			else{
				ll self=(mid+b[i]-1)/b[i];
				rem-=self;
			}
		}
		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

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	1 ms	308 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	1 ms	212 KB	Output is correct
10	Correct	4 ms	316 KB	Output is correct
11	Correct	230 ms	8424 KB	Output is correct
12	Correct	229 ms	8644 KB	Output is correct
13	Correct	154 ms	6348 KB	Output is correct
14	Incorrect	470 ms	6556 KB	Output isn't correct
15	Halted	0 ms	0 KB	-

Subtask #2

0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	300 KB	Output is correct
3	Correct	1 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	0 ms	212 KB	Output is correct
9	Correct	88 ms	4376 KB	Output is correct
10	Correct	57 ms	3008 KB	Output is correct
11	Correct	43 ms	2344 KB	Output is correct
12	Correct	36 ms	1864 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	1 ms	312 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Incorrect	6 ms	348 KB	Output isn't correct
19	Halted	0 ms	0 KB	-

Subtask #3

0 / 27.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	1 ms	308 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	1 ms	212 KB	Output is correct
10	Correct	4 ms	316 KB	Output is correct
11	Correct	230 ms	8424 KB	Output is correct
12	Correct	229 ms	8644 KB	Output is correct
13	Correct	154 ms	6348 KB	Output is correct
14	Incorrect	470 ms	6556 KB	Output isn't correct
15	Halted	0 ms	0 KB	-

Subtask #4

0 / 29.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	300 KB	Output is correct
3	Correct	1 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	0 ms	212 KB	Output is correct
9	Correct	88 ms	4376 KB	Output is correct
10	Correct	57 ms	3008 KB	Output is correct
11	Correct	43 ms	2344 KB	Output is correct
12	Correct	36 ms	1864 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	1 ms	312 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Incorrect	6 ms	348 KB	Output isn't correct
19	Halted	0 ms	0 KB	-

Subtask #5

0 / 9.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	1 ms	308 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	1 ms	212 KB	Output is correct
10	Correct	4 ms	316 KB	Output is correct
11	Correct	230 ms	8424 KB	Output is correct
12	Correct	229 ms	8644 KB	Output is correct
13	Correct	154 ms	6348 KB	Output is correct
14	Incorrect	470 ms	6556 KB	Output isn't correct
15	Halted	0 ms	0 KB	-