PAT-1148(Werewolf )思维+数学问题

时间:2020-09-23 23:04:27   收藏:0   阅读:37

Werewolf

PAT-1148

#include <iostream>
#include <vector>
#include <cmath>
using namespace std;
int main() {
    int n;
    cin >> n;
    vector<int> v(n+1);
    for (int i = 1; i <= n; i++) cin >> v[i];//自己说的话 
    //假设i和j是狼人 
    for (int i = 1; i <= n; i++) {
        for (int j = i + 1; j <= n; j++) {
            vector<int> lie, a(n + 1, 1);
            a[i] = a[j] = -1;//1表示好人,-1表示和j是狼人(只有两个狼人) 
            for (int k = 1; k <= n; k++)
                if (v[k] * a[abs(v[k])] < 0) //k说的是假话 
					lie.push_back(k);
            if (lie.size() == 2 && a[lie[0]] + a[lie[1]] == 0) {//说假话的一个是狼人一个是好人 
                cout << i << " " << j;
                return 0;
            }
        }
    }
    cout << "No Solution";
    return 0;
}
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