c practices level1 -- 孔淳漳 #28
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|
05-07 |
luckymark
reviewed
Mar 8, 2017
| for (j = 0; j < i; j++) | ||
| { | ||
| printf (" "); | ||
| } |
| int i,j; | ||
| system("mode con cols=16 lines=9"); | ||
| int width = GetSystemMetrics ( SM_CXSCREEN ); | ||
| for (i = 0; i < 16; i++) |
| printf ("%c", c); | ||
| Sleep (100); | ||
| } | ||
| for(i = 15; i >= 0; i--) |
| for (i = 2; i < n; i++) | ||
| { | ||
| if(n % i == 0) | ||
| break; |
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没有缩进；
因为是短路语句，此处不换行也很好，like this：if(n % i == 0) break；
如果换行的话，最好用大括号包起来；
| break; | ||
| } | ||
| if(i == n) | ||
| printf ("%d is a prime\n", n); |
| int main(void) | ||
| { | ||
| int i; | ||
| for (i=100; i < 1000; i++) |
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循环变量
哦，对了，需要修改编译选项才行，-std=c99，你的IDE里怎么设置，可以在群里咨询
| @@ -0,0 +1,34 @@ | |||
| #include <stdio.h> | |||
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目前是C语言的作业，不能使用cpp做后缀，也不能使用c++的语法
| { | ||
| float start, finish; | ||
| start = clock(); | ||
| bool prime[N]; |
| for(int i = 2; i < N; i++) | ||
| { | ||
| if(prime[i]) | ||
| for(int j = i * 2; j < N; j += i) |
| for(int i = 2; i < N; i++) | ||
| { | ||
| if(prime[i]) | ||
| for(int j = i * 2; j < N; j += i) |
|
= = |
|
add 08-09 |
|
好久没提交作业了。。。。不是因为懒，而是恶补。。。 |
|
继续写。。。 |
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