hello. can you help me.what is the test 4. where can i find it.

#include <stdio.h>

int a[1000000],b[1000000] ,c[1000000];
void main()
{
 int n,i,cr=0;
 scanf("%d",&n);

 for(i=0;i<n;i++)
 {
  scanf("%d %d",&a[i],&b[i]);
 }
 for(i=n-1;i>=0;i--)
 {
  c[i  ]= (a[i]+b[i])%10+cr;
  cr= (a[i]+b[i]+cr)/10;
 }
 for(i=0;i<n;i++)
 {
  printf("%d",c[i]);
 }
}

Try
21
3 4
9 0
0 9
1 8
2 7
3 6
4 5
5 4
6 3
7 2
8 1
9 0
0 9
1 8
2 7
3 6
4 5
5 4
6 3
7 2
9 1

Hint: try not to use arrays at all

Edited by author 18.07.2011 16:02

thank you for your help. i am accepted.

now i just use one array and got accepted.
0.671    4 032 KB

Edited by author 21.07.2011 16:27

congrats, but try not to use arrays at all!