~cpp
#include <iostream>
#include <ctime>
using namespace std;
int tri(int a);
void main()
{
srand(time(0));
int key_first = rand()%10;
int key_second = rand()%10;
while (key_first == key_second)
key_second= rand()%10;
int key_third = rand()%10;
while (key_first == key_third || key_second == key_third)
key_third = rand()%10;
int i,strike=0 , ball=0;
int key = key_first*100 + key_second*10 + key_third;
cout << key_first << key_second << key_third << endl;
while (i != key)
{
cout << "수를 입력 하세요(3자리) = ";
cin >> i;
int input_first = i / 100;
int input_second = (i - 100 *(i /100))/10;
int input_third = i-(100*(i/100)) - (10*((i - 100 *(i /100))/10));
if (key_first == input_first)
strike ++;
if (key_second == input_second)
strike ++;
if (key_third == input_third)
strike ++;
if (key_first == input_second)
ball ++;
if (key_first == input_third)
ball ++;
if (key_second == input_third)
ball ++;
if (key_second == input_first)
ball ++;
if (key_third == input_first)
ball ++;
if (key_third == input_second)
ball ++;
cout << strike << "스트라이크 " << ball << "볼" << endl;
strike = 0;
ball = 0;
}
}