【每日刷题】数据结构起步自测题 自测-1 打印沙漏
题目描述:
//自测-1
#include <stdio.h>
int main ( void )
{
int n;
char c;
scanf( "%d %c", &n, &c );
int row = 1, max_len = 1, sum;
sum = 1;
while( sum <= n ){
max_len += 2;
row++;
sum += max_len * 2;
}
sum -= max_len * 2;
max_len -= 2;
row--;
int i, j, k;
int m = max_len;
for( i = row; i > 0; i-- ){
for( k = 0; k < ( max_len - m ) / 2; k++ )
printf( " " );
for( j = 1; j <= m; j++ ){
printf( "%c", c );
}
printf( "\n" );
m -= 2;
}
m = 3;
for( i = 2; i <= row; i++ ){
for( k = 0; k < ( max_len - m ) / 2; k++ )
printf( " " );
for( j = 1; j <= m; j++ ){
printf( "%c", c );
}
printf( "\n" );
m += 2;
}
printf( "%d", n - sum );
}
感觉写的不是很简洁,尤其是开始求行数的那一部分代码,等再想起来回来简化一下。