zoj1061 Web Navigation

1. //zoj1061 Web Navigation
2. //Accepted 1061 C++ 00:00.03 852K
3. #include <iostream>
4. #include <string>
5. #include <cstdio>
6. using namespace std;
7.  
8. void solve()
9. {
10.        char t[10],s[101][71]={"http://www.acm.org/"};
11.        int cnt=1,pos=0;
12.        while (1){
13.               cin >> t;
14.               if (strcmp(t,"QUIT")==0) break;
15.               if (strcmp(t,"VISIT")==0){
16.                      pos++;
17.                      cin >> s[pos];
18.                      cout << s[pos] << endl;
19.                      cnt = pos+1;
20.               }
21.               if (strcmp(t,"BACK")==0){
22.                      pos--;
23.                      if (pos<0) {
24.                             pos = 0;
25.                             cout << "Ignored" << endl;
26.                      }
27.                      else cout << s[pos] << endl;
28.               }
29.               if (strcmp(t,"FORWARD")==0){
30.                      pos++;
31.                      if (pos<cnt) cout << s[pos] << endl;
32.                      else {
33.                             pos = cnt-1;
34.                             cout << "Ignored" << endl;
35.                      }
36.               }
37.        }
38. }
39.  
40. int main()
41. {
42. #ifdef ONLINE_JUDGE
43. #else
44.        freopen("1061.txt","r",stdin);
45. #endif
46.        int n;
47.        while (cin >> n)
48.               for (int i=0; i<n; ++i){
49.                      if (i>0) cout << endl;
50.                      solve();
51.               }
52. #ifdef ONLINE_JUDGE
53. #else
54.        fclose(stdin);
55. #endif
56.        return 0;
57. }