3 条题解

  • 1
    @ 2023-3-21 20:12:07

    #include <bits/stdc++.h> using namespace std; int main() { int x[1000],n,i,a=0,b=0,c=0,d=0; cin>>n; for(i=0;i<n;i++) { cin>>x[i]; if(x[i]<=18) { a++; }else if(x[i]<=35) { b++; }else if(x[i]<=60) { c++; }else { d++; } } cout<<a<<" "<<fixed<<setprecision(2)<<a100.0/n<<"%"<<endl; cout<<b<<" "<<fixed<<setprecision(2)<<b100.0/n<<"%"<<endl; cout<<c<<" "<<fixed<<setprecision(2)<<c100.0/n<<"%"<<endl; cout<<d<<" "<<fixed<<setprecision(2)<<d100.0/n<<"%"<<endl; return 0; }

    • -1
      @ 2022-11-30 8:18:50
      #include <bits/stdc++.h>
      using namespace std;
      
      int main(){
      	int arr[1000],n,i,a = 0,b = 0,c = 0,d = 0;
      	cin>>n;
      	for(i = 0;i < n;i++){
      		cin>>arr[i];
      		if(arr[i] <= 18){
      			a++;
      		}else if(arr[i] <= 35){
      			b++;
      		}else if(arr[i] <= 60){
      			c++;
      		}else{
      			d++;
      		}
      	}
      	
      	cout<<a<<" "<<fixed<<setprecision(2)<<a*100.0/n<<"%"<<endl;
      	cout<<b<<" "<<fixed<<setprecision(2)<<b*100.0/n<<"%"<<endl;
      	cout<<c<<" "<<fixed<<setprecision(2)<<c*100.0/n<<"%"<<endl;
      	cout<<d<<" "<<fixed<<setprecision(2)<<d*100.0/n<<"%"<<endl;
      	
      }
      
      • -1
        @ 2022-11-5 15:51:04

        #include<stdio.h>

        #include

        using namespace std;

        int main() {

        int n,x,i,a,b,c,d;

        double sum;

        while(scanf("%d",&n)!=EOF)

        {

        a=0; b=0; c=0; d=0; for(i=0;i<n;i++)

        {

        scanf("%d",&x);

        if(x<=18) a++;

        if(x>=19&&x<=35)

        b++;

        if(x>=36&&x<=60)

        c++;

        if(x>=61)

        d++;

        }

        sum=a+b+c+d;

        cout<<a<<" ";

        printf("%.2lf%%\n",a*(100/sum));

        cout<<b<<" ";

        printf("%.2lf%%\n",b*(100/sum));

        cout<<c<<" ";

        printf("%.2lf%%\n",c*(100/sum));

        cout<<d<<" ";

        printf("%.2lf%%\n",d*(100/sum)); }

        return 0; }

        • 1

        信息

        ID
        423
        时间
        1000ms
        内存
        16MiB
        难度
        5
        标签
        递交数
        20
        已通过
        14
        上传者