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Prom_02.java
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103 lines (93 loc) · 2.45 KB
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package com.ad;
import java.util.*;
import java.io.FileInputStream;
public class Prom_02 {
/**
* @param args
* 계산기 - 기출
*/
static int N, M, Answer;
static char stack[];
static int top;
static int a[];
static double res;
public static void main(String[] args)throws Exception {
// TODO Auto-generated method stub
System.setIn(new FileInputStream("src/data/prom02"));
Scanner sc = new Scanner(System.in);
int T = sc.nextInt();
for (int tc = 0; tc < T; tc++) {
/////////////////////////////////////////////
String s = sc.next();
List<String> list = new ArrayList<String>();
String tmp = "";
for (int i = 0; i < s.length(); i++) {
if(s.charAt(i) != '(' && s.charAt(i) != ')' && s.charAt(i) != '+' && s.charAt(i) != '-' && s.charAt(i) != '*' && s.charAt(i) != '/') {
tmp += s.charAt(i);
if(i == s.length() -1) {
list.add(tmp);
}
} else {
if(!tmp.equals("")) {
list.add(tmp);
}
list.add(s.charAt(i) + "");
tmp = "";
}
}
for (int i = list.size()-1; i >= 0; i--) {
if(list.get(i).equals("(")) {
double a = Double.parseDouble(list.get(i+1));
String b = list.get(i+2);
double c = Double.parseDouble(list.get(i+3));
double r = calc(a, b, c);
list.remove(i+1);
list.remove(i+1);
list.remove(i+1);
list.add(i+1, r + "");
if (list.get(i+2).equals(")")) {
list.remove(i);
list.remove(i+1);
} else{
i++;
}
}
//System.out.println(list);
}
for (int i = 0; i < list.size(); i++) {
System.out.println(list);
double a = Double.parseDouble(list.get(i));
String b = list.get(i+1);
double c = Double.parseDouble(list.get(i+2));
double r = calc(a, b, c);
list.remove(i);
list.remove(i);
list.remove(i);
list.add(i, r + "");
i--;
if(list.size() == 1) {
res = Math.floor(Double.parseDouble(list.get(0)));
break;
}
System.out.println(res);
}
System.out.println("#" + tc + " " + Answer);
/////////////////////////////////////////////
} // end of testCase
} // end of main
public static double calc(double a, String b, double c) {
if(b.equals("+")) {
res = a + c;
}
if(b.equals("-")) {
res = a - c;
}
if(b.equals("*")) {
res = a * c;
}
if(b.equals("/")) {
res = a / c;
}
return res;
}
}