C++作业5

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#include<iostream.h>void main(){const int n=10;int i,j,k=0,b[n],m=0,a[n];cout<<"请输入10个数,空格键隔开";for(i=0;i<n;i++){cin>>a[i];}cout<<"不重复的数是";for(i=0;i<n;i++){for(j=0;j<n;j++){if(a[i]==a[j])k++;}if(k==1){b[m]=a[i];m++;}k=0;}if(m>0){for(i=0;i<m;i++)cout<<b[i]<<" ";cout<<endl;}elsecout<<"b[n]为空"<<endl;}

#include<iostream.h>void main(){const int n=100;int a[n];int i,j,min,max,n1=0,n2=0,sum=0,number;double average;cout<<"请输入“人数”并按enter键继续";cin>>number;cout<<"请输入成绩，空格键隔开";for(i=0;i<number;i++){cin>>a[i];if(a[i]<0 || a[i]>100){cout<<"输入成绩有误";number=0;break;}}if(number!=0){min=a[1];max=a[1];for(i=0;i<number;i++){if(a[i]>max)max=a[i];if(a[i]<min)min=a[i];}for(i=0;i<number;i++){sum=sum+a[i];if(a[i]==max)n1++;if(a[i]==min)n2++;}average=double(sum)/number;cout<<"最高分是"<<max<<"有"<<n1<<"人"<<" "<<"最低分是"<<min<<"有"<<n2<<"人"<<" "<<"平均分是"<<average<<endl;}}

#include<iostream.h>void main(){const int n=10;int a[n]={1,-1,2,-2,3};int i,sum1=0,sum2=0;cout<<"请输入10个数,空格键隔开";for(i=0;i<n;i++){cin>>a[i];}for(i=0;i<n;i++){if(a[i]>0)sum1=sum1+a[i];else if(a[i]<0)sum2=sum2+a[i];}cout<<"正数的和是"<<sum1<<" "<<"负数的和是"<<sum2<<endl;}

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