정보처리기사 실기 문제 학습

int a=5, b=2;
printf("%d", a/b);

int s=0;
for(int i=1;i<=3;i++) s+=i;
printf("%d",s);

int a[4]={10,20,30,40};
printf("%d", a[2]);

int x=7;
int *p=&x;
printf("%d", *p);

int x=3;
int *p=&x;
*p=9;

void f(int x){ x=10; }
int main(){ int a=5; f(a); printf("%d",a); }

void f(int *x){ *x=10; }
int main(){ int a=5; f(&a); printf("%d",a); }

int f(int n){ if(n<=1) return 1; return n*f(n-1); }
printf("%d",f(3));

int n=1;
switch(n){ case 1: printf("A"); case 2: printf("B"); break; default: printf("C"); }

int a=5;
printf("%d", ++a);

int a=5;
printf("%d ", a++);
printf("%d", a);

#include <string.h>
printf("%d", (int)strlen("ABC"));

char s[]="ABC";
printf("%c", s[1]);

int a[2][3]={{1,2,3},{4,5,6}};
printf("%d",a[1][2]);

void f(){ static int x=0; x++; printf("%d ",x); }
int main(){ f(); f(); f(); }

int a=6, b=3;
printf("%d", a & b);

int x=2;
printf("%d", x<<2);

struct S{int a; int b;};
struct S s={10,20};
printf("%d",s.b);

struct S{int a;};
struct S s={10};
struct S *p=&s;
printf("%d",p->a);

for(int i=0;i<2;i++)
  for(int j=0;j<3;j++)
    printf("*");

class A{ void f(){System.out.print("A");} }
class B extends A{ @Override void f(){System.out.print("B");} }
A x=new B(); x.f();

String a=new String("hi");
String b=new String("hi");
System.out.print(a.equals(b));

String a=new String("hi");
String b=new String("hi");
System.out.print(a==b);

int[] a={1,2,3};
int s=0; for(int x:a) s+=x;
System.out.print(s);

int a=5, b=2;
System.out.print(a/b);

a=[1,2]
b=a
b.append(3)
print(a)

a=[1,2]
b=a.copy()
b.append(3)
print(a)

a=[[1],[2]]
b=a.copy()
b[0].append(9)
print(a)

a=[1,2]
a.append(3)
print(a)

a=[1,2]
a.extend([3,4])
print(a)

a=[1,2]
b=a
b=b+[3]
print(a,b)