how to print
1 2 3 4 5 6 7 8 9 10 9 8 7 6 5 4 3 2 1
using any loop(for or while) only once(only 1 loop) and
maximum 2 variables using C.
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int i = 1,j=1;
do
{
printf("%d",i);
if (j<10)
i++;
else
i--;
j++;
}while(j<20);
| Is This Answer Correct ? | 63 Yes | 9 No |
Answer / ajay karanam
int main()
{
int b=0,a=20;
for(b=0;b<20;b++,a--)
{
if(b>a)
{
printf("%d\n",a);
}
else if(b<a)
{
printf("%d\n",b+1) ;
}
}
return 0;
}
| Is This Answer Correct ? | 7 Yes | 2 No |
Answer / deva
void main()
{
int a = 1, b = 9;
for(;a <= 10 || b >= 1;)
{
if( a <= 10)
{
printf("%d ", a++);
}
else if(b >= 1)
{
printf("%d ", b--);
}
}
}
| Is This Answer Correct ? | 7 Yes | 3 No |
Answer / prasad
int i=1,j=9;
while(i<=20)
{
if(i<=10)
{
printf("%d ",i);
i++;
}
else
{
printf("%d ",j);
j--;
}
if(j==0)
break;
}
| Is This Answer Correct ? | 5 Yes | 1 No |
Answer / chand
main()
{
int j=0,i=1;
for(i;i<20;i++)
{
if(i<=10)
{
j++;
printf("%d",i);
}
else if(j<=10)
{
j--;
printf("%d",j);
}
}
| Is This Answer Correct ? | 4 Yes | 1 No |
Answer / sanjay bhosale
int i=1,a=1;
while(i<20)
{
if(i<10)
printf("\t%d",a++);
else if(i==10)
printf("\t%d",a);
else
printf("\t%d",--a);
i++;
}
| Is This Answer Correct ? | 3 Yes | 0 No |
Answer / taizul
#include<iostream>
#include<cstdio>
using namespace std;
int main()
{
for(int i = 1; i < 20; i++){
if(i>=10){
printf("%d ",(10-(i%10)));
}
else{
printf("%d ",i);
}
}
return 0;
}
| Is This Answer Correct ? | 2 Yes | 0 No |
Answer / joteen patro
void f1(int i);
void f2(int i);
void main()
{
int i=1;
while(i>0)
{
if(i<=10)
f1(i);
if(i==10)
f2(i);
}
}
void f1(int i)
{
if(i<10){
printf("%d",i);
f1(i++);
}
else
break;
}
void f2(int i)
{
if(i>0)
{
printf("%d",i);
f2(i--)
}
else
break;
}
| Is This Answer Correct ? | 1 Yes | 0 No |
Answer / boleto
int main(void)
{
int i,j=1;
for(i=10;i>1;)
{
if(j<=10)
{
printf("%d ",j++);
}
else
{
printf("%d ",i--);
}
}
return 0;
}
| Is This Answer Correct ? | 2 Yes | 2 No |
Answer / apsita surana
#include<stdio.h>
void main()
{
int i,j; //two variables
for(i=1,j=9;i<=19;i++)
{
if(i<=10)
{
printf("%d ",i);}
else
{
printf("%d",j);
j--;
}
}
| Is This Answer Correct ? | 0 Yes | 0 No |
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C Code 
