C Exercise Example 23
Title:Print the following pattern (diamond).
* *** ***** ******* ***** *** *
Program analysis:First, consider the figure as two parts: the first four rows follow one pattern, and the last three rows follow another. Use a double for loop, with the outer loop controlling rows and the inner loop controlling columns.
Program source code:
Example
// Created by www.example.com on 15/11/9.
// Copyright © 2015 Example. All rights reserved.
//
#include <stdio.h>
int main()
{
int i,j,k;
for(i=0;i<=3;i++) {
for(j=0;j<=2-i;j++) {
printf(" ");
}
for(k=0;k<=2*i;k++) {
printf("*");
}
printf("\n");
}
for(i=0;i<=2;i++) {
for(j=0;j<=i;j++) {
printf(" ");
}
for(k=0;k<=4-2*i;k++) {
printf("*");
}
printf("\n");
}
}
The output of the above example is:
* *** ***** ******* ***** *** *other extensions