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题目:圣诞树
输入:
1输出:
* * * * * **说明:
输入:
2输出:
* * * * * * * * * * * * * * * * * ***说明:
输入:
3输出:
* * * * * ** * * * * * * * * * * ** * * * * * * * * * * * * * * * * ****说明:
代码:
#include <stdio.h>int main()
{int c = 1;//用于控制最后的尾巴(数柄);int n = 0;//层数scanf("%d", &n);int d = 3 * n;//a和d用于控制最开始的空白数;for (int i = 1; i <= n; i++){for (int a = d -1;a>0;a--)//{printf(" ");}for (int k = 1; k <= i; k++)//k代表一行打印多少个“* ”{printf("* ");//把第一层当作“* ”来打印}printf("\n");for (int a = d - 2; a > 0; a--)//同上{printf(" ");}for (int k = 1; k <= i; k++){printf("* * ");}printf("\n");for (int a = d-3; a > 0; a--)//同上{printf(" ");}for (int k = 1; k <= i; k++){printf("* * * ");}printf("\n");d = d - 3;}while (c<=n){for (int i = 1; i <= (6 * n - 1) / 2; i++){printf(" ");}printf("*\n");c++;}return 0;
}