125.按规定删除字符

#define _CRT_SECURE_NO_WARNINGS
#include<stdio.h>
#include<string.h>
void fun(char *s, char t[])
{
int i = 0, j = 0;
while (s[i])
{
if ((i % 2 == 1) && (s[i] % 2 == 1))
{
t[j] = s[i];
j++;
}
i++;
}
t[j] = 0;
}
int main()
{
char s[100], t[100];
printf("\nPlease enter string S: ");
scanf("%s", s);
fun(s, t);
printf("\nThe result is:%s\n", t);
system("pause");
return 0;
}