求助大佬c语言（结构体数组问题）第一第二题代码怎么写？急急急！

Question

 

Answer 1

#include<stdio.h>
#include<stdlib.h>
#include<cstring>

typedef struct lens {
	float foclen;
	float fstop;
	char brand[30];
} Lens; 

int main()
{
	Lens data[10];
	data[2].foclen = 500;
	data[2].fstop = 2.0;
	strcpy(data[2].brand, "Remarkata");
	printf("%f,%f,%s",data[2].foclen,data[2].fstop,data[2].brand);
	return 0;
}