AOJ Volume0-0011

http://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=0011&lang=jp

#include <iostream>
#include <vector>
using namespace std;

int main (int argc, char * const argv[]) {
    // insert code here...	
	int w;
	
	while (cin >> w) {
		
		if (w == 0) {
			break;
		}
		
		int r[w];
		for (int i=0; i < w; i++) {
			r[i] = i+1;
		}
		
		//入力
		int n;
		cin >> n;
		
		int a[n],b[n];
		char tmp;
		for (int i=0; i < n; i++) {
			cin >> a[i];
			cin >> tmp;
			cin >> b[i];
		}
		
		
		//計算
		for (int i=0; i < n; i++) {
			int hoge = r[a[i] - 1];
			r[a[i] - 1] = r[b[i] - 1];
			r[b[i] - 1] = hoge;
		}
		
		for (int i=0; i < w; i++) {
			cout << r[i] <<endl;
		}
		
		break;
		
	}
		
    return 0;
}