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pattern1.c
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77 lines (74 loc) · 893 Bytes
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/*5
ABCDEFEDCBA
ABCDE EDCBA
ABCD DCBA
ABC CBA
AB BA
A A
AB BA
ABC CBA
ABCD DCBA
ABCDE EDCBA
ABCDEFEDCBA
*/
#include <stdio.h>
int main(){
int n,i,j;
scanf("%d", &n);
for(i=1;i<=n+1;i++)
{
printf("%c",'A' +i-1);
}
for(i=n;i>0;i--)
{
printf("%c",'A' +i-1);
}
printf("\n");
for(i=n;i>1;i--)
{
for(j=1;j<=i;j++)
{
printf("%c",'A' +j-1);
}
for(j=i;j<=n;j++)
{
printf(" ");
}
for(j=i;j<=n-1;j++)
{
printf(" ");
}
for(j=i;j>=1;j--)
{
printf("%c",'A' +j-1);
}
printf("\n");
}
for(i=1;i<=n;i++)
{
for(j=1;j<=i;j++){
printf("%c",'A' +j-1);
}
for(j=i;j<=n;j++)
{
printf(" ");
}
for(j=i;j<=n-1;j++)
{
printf(" ");
}
for(j=i;j>=1;j--)
{
printf("%c",'A' +j-1);
}
printf("\n");
}
for(i=1;i<=n+1;i++)
{
printf("%c",'A' +i-1);
}
for(i=n;i>0;i--)
{
printf("%c",'A' +i-1);
}
}