Submission #978716

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
978716	2024-05-09T14:29:12 Z	DobromirAngelov	Self Study (JOI22_ho_t2)	C++14	0 / 100	278 ms	5204 KB

Main

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

using namespace std;

const int MAXN=3e5+5;
const long long INF=2e18+5;

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

bool ok(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(ok(mid)) l=mid;
    else r=mid-1;
}

cout<<l<<endl;

return 0;
}

Subtask #1

0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	2396 KB	Output is correct
2	Correct	1 ms	2396 KB	Output is correct
3	Correct	0 ms	2396 KB	Output is correct
4	Correct	1 ms	2396 KB	Output is correct
5	Correct	1 ms	2392 KB	Output is correct
6	Correct	1 ms	2396 KB	Output is correct
7	Correct	1 ms	2396 KB	Output is correct
8	Correct	0 ms	2392 KB	Output is correct
9	Correct	1 ms	2396 KB	Output is correct
10	Correct	3 ms	2396 KB	Output is correct
11	Correct	144 ms	5128 KB	Output is correct
12	Correct	144 ms	4956 KB	Output is correct
13	Correct	136 ms	5080 KB	Output is correct
14	Incorrect	278 ms	5204 KB	Output isn't correct
15	Halted	0 ms	0 KB	-

Subtask #2

0 / 25.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	2392 KB	Output is correct
2	Correct	1 ms	2396 KB	Output is correct
3	Correct	0 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	2392 KB	Output is correct
7	Correct	1 ms	2396 KB	Output is correct
8	Correct	0 ms	2396 KB	Output is correct
9	Correct	73 ms	4564 KB	Output is correct
10	Correct	48 ms	4724 KB	Output is correct
11	Correct	37 ms	4700 KB	Output is correct
12	Correct	30 ms	4696 KB	Output is correct
13	Correct	1 ms	2396 KB	Output is correct
14	Correct	0 ms	2396 KB	Output is correct
15	Correct	1 ms	2396 KB	Output is correct
16	Correct	1 ms	2396 KB	Output is correct
17	Correct	0 ms	2396 KB	Output is correct
18	Incorrect	5 ms	2392 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	2396 KB	Output is correct
2	Correct	1 ms	2396 KB	Output is correct
3	Correct	0 ms	2396 KB	Output is correct
4	Correct	1 ms	2396 KB	Output is correct
5	Correct	1 ms	2392 KB	Output is correct
6	Correct	1 ms	2396 KB	Output is correct
7	Correct	1 ms	2396 KB	Output is correct
8	Correct	0 ms	2392 KB	Output is correct
9	Correct	1 ms	2396 KB	Output is correct
10	Correct	3 ms	2396 KB	Output is correct
11	Correct	144 ms	5128 KB	Output is correct
12	Correct	144 ms	4956 KB	Output is correct
13	Correct	136 ms	5080 KB	Output is correct
14	Incorrect	278 ms	5204 KB	Output isn't correct
15	Halted	0 ms	0 KB	-

Subtask #4

0 / 29.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	2392 KB	Output is correct
2	Correct	1 ms	2396 KB	Output is correct
3	Correct	0 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	2392 KB	Output is correct
7	Correct	1 ms	2396 KB	Output is correct
8	Correct	0 ms	2396 KB	Output is correct
9	Correct	73 ms	4564 KB	Output is correct
10	Correct	48 ms	4724 KB	Output is correct
11	Correct	37 ms	4700 KB	Output is correct
12	Correct	30 ms	4696 KB	Output is correct
13	Correct	1 ms	2396 KB	Output is correct
14	Correct	0 ms	2396 KB	Output is correct
15	Correct	1 ms	2396 KB	Output is correct
16	Correct	1 ms	2396 KB	Output is correct
17	Correct	0 ms	2396 KB	Output is correct
18	Incorrect	5 ms	2392 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	2396 KB	Output is correct
2	Correct	1 ms	2396 KB	Output is correct
3	Correct	0 ms	2396 KB	Output is correct
4	Correct	1 ms	2396 KB	Output is correct
5	Correct	1 ms	2392 KB	Output is correct
6	Correct	1 ms	2396 KB	Output is correct
7	Correct	1 ms	2396 KB	Output is correct
8	Correct	0 ms	2392 KB	Output is correct
9	Correct	1 ms	2396 KB	Output is correct
10	Correct	3 ms	2396 KB	Output is correct
11	Correct	144 ms	5128 KB	Output is correct
12	Correct	144 ms	4956 KB	Output is correct
13	Correct	136 ms	5080 KB	Output is correct
14	Incorrect	278 ms	5204 KB	Output isn't correct
15	Halted	0 ms	0 KB	-