#include <stdio.h>
#include<math.h>
int main()
{ int n;
double t[100];
scanf("%d", &n);
int i;
for(i=1; i<=n;i++){

    scanf("%lf", &t[i]);

}
for(i=n; i>0; i--){

    printf("%lf\n",sqrt(t[i]));
}
return 0;

}

Please read task and example carefully.
1) scanf("%d", &n); - do you see n in example input?
2) double t[100]; - where in task did you find "100" limitation?