답안 #978729

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
978729	2024-05-09T14:41:39 Z	DobromirAngelov	Self Study (JOI22_ho_t2)	C++14	0 / 100	270 ms	5132 KB

Main

#include<bits/stdc++.h>
#define endl '\n'

using namespace std;

const int MAXN=3e5+5;
const long long INF=1e18+5;

int n,m;
long long a[MAXN];
long long b[MAXN];

bool check(long long val)
{
    long long s=0;
    for(int i=1;i<=n;i++)
    {
        if(a[i]*m>=val) s+=(val+a[i]-1)/a[i];
        else s+=m+(val-a[i]*m+b[i]-1)/b[i];
    }
    if(s>1LL*n*m) return 0;
    return 1;
}

int main()
{
ios::sync_with_stdio(false);
cin.tie(NULL);
cout.tie(NULL);

cin>>n>>m;
for(int i=1;i<=n;i++) cin>>a[i];
for(int i=1;i<=n;i++) cin>>b[i];

for(int i=1;i<=n;i++) a[i]=max(a[i],b[i]);

long long l=1,r=INF;
while(l<r)
{
    long long mid=(l+r+1)/2;
    if(check(mid)) l=mid;
    else r=mid-1;
}

long long ans=INF;
for(int i=1;i<=n;i++) ans=min(ans, a[i]);

if(ans>l) cout<<1/0<<endl;

cout<<l<<endl;

return 0;
}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:48:18: warning: division by zero [-Wdiv-by-zero]
   48 | if(ans>l) cout<<1/0<<endl;
      |                 ~^~

Subtask #1

0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2392 KB	Output is correct
2	Correct	1 ms	2396 KB	Output is correct
3	Correct	1 ms	2396 KB	Output is correct
4	Correct	1 ms	2396 KB	Output is correct
5	Correct	1 ms	2396 KB	Output is correct
6	Correct	1 ms	2396 KB	Output is correct
7	Correct	1 ms	2396 KB	Output is correct
8	Correct	1 ms	2396 KB	Output is correct
9	Correct	0 ms	2396 KB	Output is correct
10	Correct	3 ms	2396 KB	Output is correct
11	Correct	145 ms	5012 KB	Output is correct
12	Correct	142 ms	4952 KB	Output is correct
13	Correct	136 ms	5132 KB	Output is correct
14	Incorrect	270 ms	4944 KB	Output isn't correct
15	Halted	0 ms	0 KB	-

Subtask #2

0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	2396 KB	Output is correct
2	Correct	0 ms	2396 KB	Output is correct
3	Correct	1 ms	2392 KB	Output is correct
4	Correct	0 ms	2396 KB	Output is correct
5	Correct	1 ms	2396 KB	Output is correct
6	Correct	1 ms	2396 KB	Output is correct
7	Correct	0 ms	2396 KB	Output is correct
8	Correct	1 ms	2396 KB	Output is correct
9	Correct	72 ms	4564 KB	Output is correct
10	Correct	48 ms	4700 KB	Output is correct
11	Correct	37 ms	4700 KB	Output is correct
12	Correct	29 ms	4700 KB	Output is correct
13	Correct	1 ms	2392 KB	Output is correct
14	Correct	1 ms	2392 KB	Output is correct
15	Correct	1 ms	2396 KB	Output is correct
16	Correct	0 ms	2396 KB	Output is correct
17	Correct	0 ms	2396 KB	Output is correct
18	Incorrect	5 ms	2396 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	2392 KB	Output is correct
2	Correct	1 ms	2396 KB	Output is correct
3	Correct	1 ms	2396 KB	Output is correct
4	Correct	1 ms	2396 KB	Output is correct
5	Correct	1 ms	2396 KB	Output is correct
6	Correct	1 ms	2396 KB	Output is correct
7	Correct	1 ms	2396 KB	Output is correct
8	Correct	1 ms	2396 KB	Output is correct
9	Correct	0 ms	2396 KB	Output is correct
10	Correct	3 ms	2396 KB	Output is correct
11	Correct	145 ms	5012 KB	Output is correct
12	Correct	142 ms	4952 KB	Output is correct
13	Correct	136 ms	5132 KB	Output is correct
14	Incorrect	270 ms	4944 KB	Output isn't correct
15	Halted	0 ms	0 KB	-

Subtask #4

0 / 29.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	2396 KB	Output is correct
2	Correct	0 ms	2396 KB	Output is correct
3	Correct	1 ms	2392 KB	Output is correct
4	Correct	0 ms	2396 KB	Output is correct
5	Correct	1 ms	2396 KB	Output is correct
6	Correct	1 ms	2396 KB	Output is correct
7	Correct	0 ms	2396 KB	Output is correct
8	Correct	1 ms	2396 KB	Output is correct
9	Correct	72 ms	4564 KB	Output is correct
10	Correct	48 ms	4700 KB	Output is correct
11	Correct	37 ms	4700 KB	Output is correct
12	Correct	29 ms	4700 KB	Output is correct
13	Correct	1 ms	2392 KB	Output is correct
14	Correct	1 ms	2392 KB	Output is correct
15	Correct	1 ms	2396 KB	Output is correct
16	Correct	0 ms	2396 KB	Output is correct
17	Correct	0 ms	2396 KB	Output is correct
18	Incorrect	5 ms	2396 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	2392 KB	Output is correct
2	Correct	1 ms	2396 KB	Output is correct
3	Correct	1 ms	2396 KB	Output is correct
4	Correct	1 ms	2396 KB	Output is correct
5	Correct	1 ms	2396 KB	Output is correct
6	Correct	1 ms	2396 KB	Output is correct
7	Correct	1 ms	2396 KB	Output is correct
8	Correct	1 ms	2396 KB	Output is correct
9	Correct	0 ms	2396 KB	Output is correct
10	Correct	3 ms	2396 KB	Output is correct
11	Correct	145 ms	5012 KB	Output is correct
12	Correct	142 ms	4952 KB	Output is correct
13	Correct	136 ms	5132 KB	Output is correct
14	Incorrect	270 ms	4944 KB	Output isn't correct
15	Halted	0 ms	0 KB	-