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

int g(int x);
void f(int x);


int main() {
    f(1);
    f(2);
    
    //exit(2);
    
    f(4);

    printf("Hello, World!\n"); // 화면에 문자열 출력 (표준 출력 함수)
    int num = 8;
    double root = sqrt(num); // 제곱근 계산 (표준 수학 함수)
    printf("The square root of %3d is %.5f\n", num, root);
    return 0;    

    
    return 100;
}


int g(int x){
    if(x>2) {
        return x*x;
    }
    else {
        return(2*x);
    }
}
void f(int x) {
    printf("g(%d)=%d\n",x,g(x));
}
    

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