一步一步写算法(之“数星星”)
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学过编程的朋友都知道,当初为了学习编程语言中的各种语法结构,我们要试着解决各种各样奇怪的题目。其中“数星星”就似乎其中的一种。什么是“数星星”呢?就是打印各种形状的“*”,正三角、倒三角、菱形等等。本篇博客纯粹为了纪念我们逝去的岁月。
a)正三角
void star_1()
{
int outer;
int inner;
for(outer = 1; outer <10; outer ++){
for(inner = 1; inner <= outer; inner ++){
printf("%c ", '*');
}
printf("\n");
}
}
void star_1()
{
int outer;
int inner;
for(outer = 1; outer <10; outer ++){
for(inner = 1; inner <= outer; inner ++){
printf("%c ", '*');
}
printf("\n");
}
} b)倒三角
void star_2()
{
int outer;
int inner;
for(outer = 9; outer >= 1; outer --){
for(inner = 1; inner <= outer; inner ++){
printf("%c ", '*');
}
printf("\n");
}
}
void star_2()
{
int outer;
int inner;
for(outer = 9; outer >= 1; outer --){
for(inner = 1; inner <= outer; inner ++){
printf("%c ", '*');
}
printf("\n");
}
} c)左三角
void star_3()
{
int outer;
int inner;
for(outer = -4; outer <= 4; outer ++){
for(inner = 1; inner <= (5 - abs(outer)); inner ++){
printf("*");
}
for(; inner <= 5; inner ++){
printf(" ");
}
printf("\n");
}
}
void star_3()
{
int outer;
int inner;
for(outer = -4; outer <= 4; outer ++){
for(inner = 1; inner <= (5 - abs(outer)); inner ++){
printf("*");
}
for(; inner <= 5; inner ++){
printf(" ");
}
printf("\n");
}
} d) 右三角
void star_4()
{
int outer;
int inner;
for(outer = -4; outer <= 4; outer ++){
for(inner = 1; inner <= abs(outer); inner ++){
printf(" ");
}
for(; inner <= 5; inner ++){
printf("*");
}
printf("\n");
}
}
void star_4()
{
int outer;
int inner;
for(outer = -4; outer <= 4; outer ++){
for(inner = 1; inner <= abs(outer); inner ++){
printf(" ");
}
for(; inner <= 5; inner ++){
&
补充:软件开发 , C语言 ,