打印出半个菱形
#define _CRT_SECURE_NO_WARNINGS
#include<stdio.h>
#include<stdlib.h>
int main() {
int maxline = 7;
int i;
for (i = 1; i <= maxline; ++i) {
int j = 0;
for (j = 1; j <= (2 * i - 1); ++j) {
printf("*");
}
printf("\n");
}
for (i = 1; i < maxline; ++i) {
int j;
for (j = 1; j <= (2 * (maxline - i) - 1); ++j) {
printf("*");
}
printf("\n");
}
system("pause");
return 0;
}