3 solutions

  • 3
    @ 2025-9-15 17:24:52
    #include<bits/stdc++.h>
    using namespace std;
    const int N=1e5+10;
    int n,k,a[N];
    bool check(int x)
    {
    	int cnt=0;
    	for(int i=1;i<=n;i++)
    	{
    		cnt=cnt+a[i]/x;
    	}
    	if(cnt>=k) return true;
    	return false;
    }
    int main()
    {
    	cin>>n>>k;
    	int l=0,r=0;
    	for(int i=1;i<=n;i++)
    	{
    		cin>>a[i];
    		r=max(r,a[i]);
    	}
    	while(l<r)
    	{
    		int mid=(l+r+1)/2;
    		if(check(mid)) l=mid; //长度为mid可以切够k根
    		else r=mid-1;
    	}
    	cout<<l;
    	return 0;
    }
    
    • 0
      @ 2025-4-5 10:49:45
      #include<bits/stdc++.h>
      using namespace std;
      const int N=1e5+10;
      int a[N];
      int k;
      int n;
      bool check(int x)
      {
      	int cnt=0;
      	for(int i=1;i<=n;i++)
      	{
      		cnt+=a[i]/x;
      	}
      	return cnt>=k;
      }
      int main()
      {
      	cin>>n>>k;
      	int l=0,r=0;
      	for(int i=1;i<=n;i++)
      	{
      		cin>>a[i];
      		r=max(r,a[i]);
      	}
      	while(l<r)
      	{
      		int mid=l+r+1>>1;
      		if(check(mid)) l=mid;
      		else r=mid-1;
      	}
      	cout<<l;
          return 0;
      }
      
      • -1
        @ 2025-9-7 11:09:26
        #include<bits/stdc++.h>
        using namespace std;
        const int N=1e5+10;
        int a[N];
        int k;
        int n;
        bool check(int x)
        {
            int cnt=0;
            for(int i=1;i<=n;i++)
            {
                cnt+=a[i]/x;
            }
            return cnt>=k;
        }
        int main()
        {
            cin>>n>>k;
            int l=0,r=0;
            for(int i=1;i<=n;i++)
            {
                cin>>a[i];
                r=max(r,a[i]);
            }
            while(l<r)
            {
                int mid=l+r+1>>1;
                if(check(mid)) l=mid;
                else r=mid-1;
            }
            cout<<l;
            return 0;
        }
        
        • 1

        Information

        ID
        950
        Time
        1000ms
        Memory
        256MiB
        Difficulty
        3
        Tags
        (None)
        # Submissions
        114
        Accepted
        36
        Uploaded By