1148 Werewolf - Simple Version

 1 #include <iostream>
 2 #include <stdlib.h>
 3 #include <string>
 4 #include<algorithm>
 5 #include<vector>
 6 #include<cmath>
 7 #include<map>
 8 #include<set>
 9 #include <unordered_map>
10 using namespace std;
11 
12 int main(){
13     int n;
14     vector<int> arr(101);
15     cin >> n;
16     for (int i = 0; i < n; i++) {
17         cin >> arr[i + 1];
18     }
19     int w1 = -1, w2 = -1;
20     for (int i = 1; i <= n; i++) {
21         for (int j = 1; j <= n; j++) {
22             if (j == i) {
23                 continue;
24             }
25             else {
26                 vector<int> lier, wolf(n + 1, 1);
27                 wolf[i] = wolf[j] = -1;
28 
29                 for (int k = 1; k <= n; k++) {
30                     if (arr[k] * wolf[abs(arr[k])] < 0) {
31                         lier.push_back(k);
32                     }
33                 }
34 
35                 if (lier.size() == 2 && wolf[lier[0]] + wolf[lier[1]] == 0) {
36                     w1 = i;
37                     w2 = j;
38                     goto p1;
39 
40                 }
41 
42             }
43         }
44     }
45 
46 p1:
47     if (w1 ==-1) {
48         cout << "No Solution" << endl;
49     }
50     else {
51         cout << w1 << ‘ ‘ << w2 << endl;
52     }
53     
54     system("pause");
55 };