선택정렬

#include <stdio.h>
#include <iostream>
#include <algorithm>
#include <vector>

using namespace std;
int main() {
	freopen("input.txt.txt","rt",stdin);
	int a[100], n, idx, i, j, tmp;
	scanf("%d", &n);
	for(i=0; i<n; i++){
		scanf("%d", &a[i]);
	}
	
	for(i=0; i<n-1; i++){
		idx = i;
		for(j=i+1; j<n;j++){
			if(a[j]<a[idx]) idx =j;
		}
		tmp = a[i];
		a[i] = a[idx];
		a[idx] = tmp;
	}
	
	
	for(i=0; i<n; i++){
		printf("%d ", a[i]);
	}
	
	
	
	return 0;
}

cpp