레알 팁!

#include <iostream>

void swap(int *x, int *y){

int swap;

swap = *x;

*x = *y;

*y = swap;

}

void swap(char *x, char *y){

char swap;

swap = *x;

*x = *y;

*y = swap;

}

void swap(double *x, double *y){

double swap;

swap = *x;

*x = *y;

*y = swap;

}

int main(void){

int num1=20, num2=30;

swap(&num1, &num2);

std::cout<<num1<<' ' <<num2<<std::endl;

char ch1='A', ch2='Z';

swap(&ch1, &ch2);

std::cout<<ch1<<' ' <<ch2<<std::endl;

double dbl1=1.111, dbl2=5.555;

swap(&dbl1, &dbl2);

std::cout<<dbl1<<' '<<dbl2<<std::endl;

return 0;

}

#include <iostream>

int main(void){

int money=0;

int pay;

while(money >= 0){

std::cout<<"판매 금액을 만원 단위로 입력(-1 to end) : ";

std::cin>>money;

if(money >= 0){

pay = 50 + money * 0.12;

std::cout<<"이번 달 급여 : "<<pay<<"만원"<<std::endl;

}

}

std::cout<<"프로그램을 종료합니다."<<std::endl;

return 0;

}

#include <iostream>

int main(void){

int x;

int y;

std::cout<<"출력 할 구구단 숫자 : ";

std::cin>>x;

for(y=1; y<=9;y++)

{

std::cout << x <<" * " << y <<" = "<< x*y << std::endl;

}

return 0;

}

#include <iostream>

int main(void){

char name[100], phone[100];

std::cout<<"이름 : ";

std::cin>>name;

std::cout<<"전화번호 : ";

std::cin>>phone;

std::cout<<"입력하신 이름은 "<<name<<" 이고"<<std::endl;

std::cout<<"전화번호는 "<<phone<<" 입니다."<<std::endl;

return 0;

}

#include <iostream>

int main(void)

{

int x;

int num;

int result = 0;

for(x=1; x<=5; x++){

std::cout<<x<<"번째 정수 입력 : ";

std::cin>>num;

result += num;

}

std::cout<<"합계 : "<<result<<std::endl;

return 0;

}