PAT 1022. Werewolf (35)

暴力+剪枝……我还想再优化点，试着提交一下居然过了

#include<iostream>
#include<vector>
#include<cmath>
using namespace std;
#pragma warning(disable:4996)
int N, M, L, A[105], lie, lie_wolf, lie2, is_wolf[105];
vector<int> ans, relate[105];void dfs(int index) {if (lie > L) return;if (ans.size() == M) {lie2 = lie_wolf = 0;for (int i = 1; i <= N; ++i) {if ((A[i] > 0 && is_wolf[abs(A[i])] == 1) ||(A[i] < 0 && is_wolf[abs(A[i])] == 0)) {++lie2;if (is_wolf[i]) ++lie_wolf;}}if (lie_wolf > 0 && lie_wolf < M && lie2 == L) {for (int i = 0; i < M; ++i) {if (i != M - 1) printf("%d ", ans[i]);else printf("%d\n", ans[i]);}exit(0);}return;}for (int k = index; k > 0; --k) {if (k + ans.size() < M) break;ans.push_back(k); is_wolf[k] = 1;for (auto x : relate[k])lie += x > 0 ? 1 : 0;dfs(k - 1);ans.pop_back(); is_wolf[k] = 0;for (auto x : relate[k])lie += x > 0 ? -1 : 0;}}
int main() {scanf("%d %d %d", &N, &M, &L);for (int i = 1; i <= N; ++i) {scanf("%d", A + i);int f = A[i] > 0 ? 1 : -1;relate[f*A[i]].push_back(f*i);//+代表认为是人，-狼}dfs(N);printf("No Solution\n");
}

PAT 1022. Werewolf (35)相关推荐

PAT TOP 1022. Werewolf (35)
问题描述: 1022. Werewolf (35) 时间限制 100 ms 内存限制 65536 kB 代码长度限制 8000 B 判题程序 Standard 作者 CHEN, Yue Werewol ...
1022 Werewolf (35 分)（C++）
PAT顶级题解目录 Werewolf(狼人杀) is a game in which the players are partitioned into two parties: the ...
PAT Top 1022 Werewolf （35）
PAT Top 1022 Werewolf (35) 题目描述 Input Specification: Output Specification: Sample Input: Sample Outp ...
T1022 Werewolf (35 point(s))
T1022 Werewolf (35 point(s)) 文章目录 T1022 Werewolf (35 point(s)) 题干 Input Specification: Output Specif ...
pat顶级1022 Werewolf （35 point(s)）
欢迎访问我的pat顶级题解目录哦 https://blog.csdn.net/richenyunqi/article/details/86751676 题目描述算法设计这道题是pat甲级1148 ...
PAT——1022. D进制的A+B
输入两个非负10进制整数A和B(<=230-1),输出A+B的D (1 < D <= 10)进制数. 输入格式: 输入在一行中依次给出3个整数A.B和D. 输出格式: 输出A+B的D ...
PAT 1148 Werewolf – Simple Version – 甲级
Werewolf(狼人杀) is a game in which the players are partitioned into two parties: the werewolves and th ...
PAT_A1148#Werewolf - Simple Version
Source: PAT A1148 Werewolf - Simple Version (20 分) Description: Werewolf(狼人杀) is a game in which the ...
【PTA Advanced】1148 Werewolf - Simple Version（C++）
目录题目 Input Specification: Output Specification: Sample Input 1: Sample Output 1: Sample Input 2: Sa ...

PAT 1022. Werewolf (35)

PAT 1022. Werewolf (35)相关推荐

最新文章

热门文章