3 条题解

  • 0
    @ 2024-7-30 14:28:23
    #include<bits/stdc++.h>
    using namespace std;
    const int N=1e5+10; 
    int main(){
    	int a[N],n,avg=0,cnt=0;
    	cin>>n;
    	for(int i=1;i<=n;i++){
    		cin>>a[i];
    		avg+=a[i];
    	}
    	avg/=n;
    	for(int i=1;i<=n;i++){
    		if(a[i]<avg){
    			a[i+1]-=avg-a[i];
    			a[i]=avg;
    			cnt++;
    		}
    		else if(a[i]>avg){
    			a[i+1]+=a[i]-avg;
    			a[i]=avg;
    			cnt++;
    		}
    	}
    	cout<<cnt;
    }
    
    • 0
      @ 2024-3-24 20:05:09
      #include<bits/stdc++.h>
      using namespace std;
      const int N = 1e6 + 10;
      const int INF = 0x3f3f3f3f;
      int n,a[N],sum = 0;
      int main(){
      	cin >> n;
      	for(int i = 1;i <= n;i++)
      	{
      	    cin >> a[i];
      	    sum += a[i];
          }
          int k = sum / n;
      	int ans = 0;
      	for(int i = 1;i < n;i++){
      		if(a[i] == k)continue;
      		else{
      			a[i + 1] += a[i] - k;
      			ans++;
      		}
      	}
      	cout << ans << endl; 
      	return 0;
      }
      
      • 0
        #include <iostream>
        using namespace std;
        const int maxn=1e6+10;
        int a[maxn],n;
        //贪心策略:
        //如果当前位置不满足平均值,(直接变为平均值)将差值交给下一位 
        int main(){
        	cin>>n;
        	int sum=0;
        	for(int i=1;i<=n;i++){
        		cin>>a[i];
        		sum+=a[i];
        	}
        	int ava=sum/n;
        	int ans=0;
        	for(int i=1;i<n;i++){
        		if(a[i]==ava)continue;
        		else{
        			a[i+1]+=a[i]-ava;
        			ans++;
        		}
        	}
        	cout<<ans<<endl;
        } 
        
        • 1

        信息

        ID
        660
        时间
        1000ms
        内存
        512MiB
        难度
        4
        标签
        递交数
        159
        已通过
        71
        上传者