감 ¶
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~cpp
#include <iostream>
using namespace std;
void find_combination(int n, int c);
int main()
{
int row, col;
cin >> row >> col;
find_combination(row, col);
return 0;
}
void find_combination(int n, int c)
{
if (n == 0 || c == 0)
{
cout << 1 << endl;
return;
}
int num = 1;
for (int i = n; i > c; i--)
num *= i;
for (i = n - c; i >= 2; i--)
num /= i;
cout << num << endl;
}










