C语言实现打字练习程序

#include <stdio.h>
#include <time.h>
#include <stdlib.h>
#include <conio.h>
void main()
{
int count = 0;//单词个数
int i = 0;
int sameCount = 0;
char *outString = NULL;
char *inputString = NULL;
time_t startTime,endTime;
double elapsed_time,success;


do 
{
//初始化变量
sameCount = 0;
system("cls");
//开辟空间存放输出地字母
printf("请输入随机生成单词的个数：");
scanf("%d",&count);
outString = (char*)malloc((count+1)*sizeof(char));
inputString = (char*)malloc((count+1)*sizeof(char));
if (NULL==outString)
{
printf("分配空间失败！");
exit(EXIT_FAILURE);
}