使用 C 编程中的 for 循环生成 1 到 n 之间的偶数平方
偶数的平方是 - 22, 42, 62, 82,………
= 4, 16, 36, 64, 100, ………
算法
START Step 1: declare two variables a and n Step 2: read number n at runtime Step 3: use for loop to print square numbers For a=2; a*a<=n;a+=2 until the condition satisfy loop will continue and Print a*a STOP
程序 1
#include<stdio.h>
int main(){
int a,n;
printf("enter a number for n:");
scanf("%d",&n);
for(a=2;a*a<=n;a+=2) //print even squares that are present in between 1 and n{
printf("%d
",a*a);
}
return 0;
}输出
enter a number for n:200 4 16 36 64 100 144 196
程序 2
以下是在 1 到 n 之间查找偶数的程序 -
#include<stdio.h>
int main(){
int a,n;
printf("enter a number for n:");
scanf("%d",&n);
for(a=2;a*a*a<=n;a+=2){
printf("%d
",a*a*a);
}
return 0;
}输出
enter a number for n:300 8 64 216
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