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#include <stdio.h>
#include <math.h>
#define START 100 // number to start with
int main(void){
    double number = 100;
    double root;
    while(1){
        root = sqrt(number);
        printf("Square root of %lf is %lf.\n",number,root);
        number = root;
        sleep(1);
    }
    return 0;
}