BT 笔试题目

用一个循环1-10 打印1-10 的奇数，然后打印偶数

for(int i=0; i<9; i++) { cout << (i%5)*2 + (i/5) + 1 << endl; }  

if(i<=5)

{ 

   cout<<i*2 -1;

}

else

{

  cout<<(i -5)*2<<endl;

}

#include <iostream>static int counter = 1;class printer{ int even_;public: printer() { even_ = 0; if ( counter%2 != 0) std::cout<< counter << std::endl; else even_ = counter; counter++; } ~printer() { } void print_even() { if (even_!=0) std::cout<< even_ << std::endl; }};int main(int argc, char** argv){ printer print[9]; for (int i = 0 ; i < 9 ;i++){ print[i].print_even(); } return 0;} 

#include<iostream>
using namespace std;
int main(){ 
FILE *f[]={fopen("G:\\con1.txt","w"),fopen("G:\\con2.txt","w")}; 
for(int i=1;i <=10;fprintf(f[(i+1)%2],"%d\n",i++))
{
    cout<<"e"<<endl;
}    
system("pause"); 
return 0; 
}