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Main.java
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69 lines (56 loc) · 1.83 KB
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import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.List;
import java.util.Stack;
import java.util.StringTokenizer;
public class Main {
public static void main(String[] args) throws IOException {
BufferedReader br =new BufferedReader(new InputStreamReader(System.in));
StringTokenizer st=new StringTokenizer(br.readLine());
List<String> flags= new ArrayList<>();
Stack<String> stack = new Stack<>();
String input = st.nextToken();
for(int i=0; i<input.length();i++){
flags.add(String.valueOf(input.charAt(i)));
}
int total=0;
int tmp=1;
for (int i=0;i< flags.size(); i++){
if (flags.get(i).equals("(")){
tmp*=2;
stack.push(flags.get(i));
} else if (flags.get(i).equals("[")) {
tmp*=3;
stack.push(flags.get(i));
} else if (flags.get(i).equals(")")) {
if(stack.empty()==true || stack.peek().equals("(")==false){
total=0;
break;
}
if (flags.get(i-1).equals("(")){
total+=tmp;
}
stack.pop();
tmp/=2;
}
else if (flags.get(i).equals("]")) {
if(stack.empty()==true || stack.peek().equals("[")==false){
total=0;
break;
}
if (flags.get(i-1).equals("[")){
total+=tmp;
}
stack.pop();
tmp/=3;
}
}
if (stack.empty()==false){
System.out.println(0);
}else {
System.out.println(total);
}
}
}