C Exercise Example 23
100 cases of classic C language
Topic: Print out the following pattern (diamond).
* *** ***** ******* ***** *** *
Program analysis: first to look at the graphic divided into two parts, the first four lines of a law, a law after three lines, the use of a double for the cycle, the first layer of the control line, the second layer of the control column.
Source Code:
// Created by www.w3big.com on 15/11/9.
// Copyright © 2015年 本教程. 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 above example output is:
* *** ***** ******* ***** *** *