oj.uz

Submission #857317

# Submission time Handle Problem Language Result Execution time Memory
857317 2023-10-05T21:08:18 Z StefanSebez Self Study (JOI22_ho_t2) C++14
54 / 100
 329 ms 5112 KB 
#include <bits/stdc++.h>
using namespace std;
#define int unsigned long long
const int inf=1e18+5000;
signed main()
{
    int n,m;cin>>n>>m;
    int a[n+1],b[n+1];
    for(int i=1;i<=n;i++)cin>>a[i];
    for(int i=1;i<=n;i++)cin>>b[i];
    int l=1,r=inf,mid=l+(r-l)/2,res=0;
    while(l<=r)
	{
		//printf("%lld %lld %lld: ",l,mid,r);
		int sum=0;
		for(int i=1;i<=n;i++)
		{
			int x,z,k=inf;
			if(a[i]<=b[i])
			{
				x=0;
				z=(mid+b[i]-1)/b[i];
				k=max(x,z);
			}
			else
			{
				x=mid/a[i];
				if(x>m) x=m;
				z=(mid-x*(a[i]-b[i])+b[i]-1)/b[i];
				k=min(k,max(x,z));
				x++;
				if(x>m) x=m;
				z=(mid-x*(a[i]-b[i])+b[i]-1)/b[i];
				k=min(k,max(x,z));
			}
			sum+=k;
			/*int k1=inf;
			for(int j=0;j<=m;j++)
			{
				int z=ceil((double)(mid-j*(a[i]-b[i]))/b[i]);
				k1=min(k1,max(j,z));
			}*/
			/*int x=0;
			if(a[i]>b[i])x=min(mid/(a[i]-b[i]),m);
			sum+=ceil((mid-x*(a[i]-b[i]))/b[i]);*/
			//cout<<"|"<<k<<" "<<k1<<"| ";
		}
		//cout<<endl;
		if(sum<=n*m)
		{
			res=mid;
			l=mid+1;
		}
		else r=mid-1;
		mid=l+(r-l)/2;
	}
	cout<<res<<endl;
    return 0;
}

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Incorrect 0 ms 348 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 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 0 ms 344 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 130 ms 2652 KB Output is correct
10 Correct 85 ms 1968 KB Output is correct
11 Correct 64 ms 1584 KB Output is correct
12 Correct 51 ms 1344 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 4 ms 348 KB Output is correct
19 Correct 5 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 214 ms 5108 KB Output is correct
22 Correct 272 ms 5096 KB Output is correct
23 Correct 257 ms 4952 KB Output is correct

Subtask #3
0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Incorrect 0 ms 348 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 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 0 ms 344 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 130 ms 2652 KB Output is correct
10 Correct 85 ms 1968 KB Output is correct
11 Correct 64 ms 1584 KB Output is correct
12 Correct 51 ms 1344 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 4 ms 348 KB Output is correct
19 Correct 5 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 214 ms 5108 KB Output is correct
22 Correct 272 ms 5096 KB Output is correct
23 Correct 257 ms 4952 KB Output is correct
24 Correct 47 ms 1112 KB Output is correct
25 Correct 126 ms 2396 KB Output is correct
26 Correct 28 ms 856 KB Output is correct
27 Correct 255 ms 4956 KB Output is correct
28 Correct 255 ms 5112 KB Output is correct
29 Correct 258 ms 5096 KB Output is correct
30 Correct 265 ms 5104 KB Output is correct
31 Correct 305 ms 4956 KB Output is correct
32 Correct 233 ms 4956 KB Output is correct
33 Correct 329 ms 5100 KB Output is correct
34 Correct 235 ms 5100 KB Output is correct

Subtask #5
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Incorrect 0 ms 348 KB Output isn't correct
3 Halted 0 ms 0 KB -