UVa 154 - Recycling

// UVa 154 - Recycling
#include <iostream>
#include <string>
#include <stdio.h>
using namespace std;

int main() {
	int id[256];
	id['r'] = 0;
	id['o'] = 1;
	id['y'] = 2;
	id['g'] = 3;
	id['b'] = 4;
	string l;
	while (getline(cin, l) && (l[0] != '#')) {
		int n = 0;
		string raw[100];
		while (l[0] != 'e') {
			raw[n++] = l;
			getline(cin, l);
		}
		char city[100][5];
		for (int i = 0; i < n; i++) {
			int s = raw[i].find('/');
			while (s >= 0 && s < raw[i].length()) {
				city[i][id[raw[i][s - 1]]] = raw[i][s + 1];
				raw[i] = raw[i].substr(s + 1);
				s = raw[i].find('/');
			}
		}
		int ss = 501;
		int sol = 0;
		for (int i = 0; i < n; i++) {
			int c = 0;
			for (int j = 0; j < n; j++) {
				for (int k = 0; k < 5; k++)
					if (city[i][k] != city[j][k])
						c++;
			}
			if (c < ss) {
				ss = c;
				sol = i;
			}
		}
		cout << sol + 1 << endl;

	}
	return 0;
}