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BAEKJOON_14888
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83 lines (70 loc) · 2.36 KB
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import java.io.*;
import java.util.*;
public class Main {
static int[] num;
static char[] operation;
static int[] a;
static boolean[] visit;
static ArrayList<Integer> list;
public static void main(String[] args) throws IOException {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
int N = Integer.parseInt(br.readLine());
num = new int[N];
operation = new char[N - 1];
a= new int[N-1];
visit = new boolean[N - 1];
list= new ArrayList<>();
StringTokenizer st = new StringTokenizer(br.readLine());
for (int i = 0; i < N; i++) {
num[i] = Integer.parseInt(st.nextToken());
}
st = new StringTokenizer(br.readLine());
int plus = Integer.parseInt(st.nextToken());
int minus = Integer.parseInt(st.nextToken());
int multi = Integer.parseInt(st.nextToken());
int divide = Integer.parseInt(st.nextToken());
for(int i=0; i<plus; i++){
operation[i] = '+';
}
for(int i=plus; i<plus+minus; i++){
operation[i] = '-';
}
for(int i=plus+minus; i<plus+minus+multi; i++){
operation[i] = '*';
}
for(int i=plus+minus+multi; i<plus+minus+multi+divide; i++){
operation[i] = '/';
}
recursion(0, N, N-1);
list.sort(Comparator.naturalOrder());
bw.write(list.get(list.size() - 1) + "\n" + list.get(0));
bw.flush();
bw.close();
}
public static void recursion(int index, int N, int M) {
if (index == M) {
int res=num[0];
for(int i=1; i<N; i++){
if (operation[a[i - 1]] == '+') {
res = res + num[i];
} else if (operation[a[i - 1]] == '-') {
res = res -num[i];
} else if (operation[a[i - 1]] == '*') {
res = res * num[i];
}else{
res = res / num[i];
}
}
list.add(res);
return;
}
for(int i=0; i<M; i++){
if(visit[i])continue;
visit[i] = true;
a[index]=i;
recursion(index+1,N,M);
visit[i]=false;
}
}
}