[英]What is the pattern here? And how can i write that code in c?
But I have issues.但我有问题。 I don't understand the pattern very well.
我不太了解这种模式。 I don't know how to make an even number part.
我不知道如何制作偶数部分。 I have some guess.
我有一些猜测。 This pattern has 2 parts and I don't know how to make this in c.
这种模式有 2 个部分,我不知道如何在 c 中制作它。 What I've been able to do so far:
到目前为止我能做的:
#include <stdio.h>
#include <stdlib.h>
int main(int argc, char *argv[])
{
int a,n;
printf("Enter a number:");
scanf("%d",&a),
n=0;
while(n<=a)
{
printf("%d|\n",n);
n++;
}
return 0;
}
You need two loops for each row每行需要两个循环
One will print the even numbers (0,2,4,6..).一个将打印偶数(0,2,4,6..)。 The number of even numbers (if you count zero) is just the row number.
偶数的数量(如果你算零)只是行号。 Don't print a new line yet.
不要打印新行。
Then, at the end of the row, print numbers starting at the row number, and ending with (the last even number you printed)+1然后,在行的末尾,从行号开始打印数字,并以(您打印的最后一个偶数)+1 结尾
At the end of each row print a newline.在每一行的末尾打印一个换行符。
I hope this will give you a hint as to how to continue我希望这会给你一个关于如何继续的提示
Pseudocode of the algorithm:算法伪代码:
n = user_input()
for i in 0 .. n:
for j in 0 .. i:
print(2 * j)
for j in 0 .. i:
print(i + j)
print newline
Converting that to C, we get something pretty similar.将其转换为 C,我们得到了非常相似的结果。
int main() {
int i, j, n;
printf("Enter a number:");
scanf("%d",&n);
for (i=0; i<n; i++) {
for (j = 0; j < i; j++) {
printf("%2d ", 2 * j);
}
for (j = 0; j < i; j++) {
printf("%2d ", i + j);
}
printf("\n");
}
}
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