[20250729] BOJ / G4 / PC방 요금 / 이종환

Author: 0224LJH

0224LJH/202507/29 BOJ PC방 요금.md

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+```java
+import java.awt.Point;
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.util.StringTokenizer;
+
+
+public class Main {
+
+    static final int DAY = 1440;
+    static final int NIGHT = 1320;
+    static final int MORNING = 480;
+    static final int HOUR = 60;
+
+    static String[] rawTime;
+    static int[] playTimes;
+    static int tc, curBill,curTime,playTime;
+
+    static StringBuilder sb = new StringBuilder();
+
+
+    public static void main(String[] args) throws IOException {
+        init();
+        process();
+        print();
+    }
+
+    private static void init() throws IOException {
+        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+        tc = Integer.parseInt(br.readLine());
+        rawTime = new String[tc];
+        playTimes = new int[tc];
+        for (int i = 0; i < tc; i++) {
+            StringTokenizer st = new StringTokenizer(br.readLine());
+            rawTime[i] = st.nextToken();
+            playTimes[i] = Integer.parseInt(st.nextToken());
+        }
+
+    }
+
+    private static void process() throws IOException {
+        for (int i = 0; i < tc; i++) {
+            System.out.println();
+            String rawTarget =  rawTime[i];
+
+            int hour = Integer.parseInt(rawTarget.substring(0,2));
+            int minute = Integer.parseInt(rawTarget.substring(3,5));
+
+            playTime = playTimes[i];
+            curTime = hour * 60 + minute;
+            curBill = 0;
+
+            while (playTime > 0) {
+                if (curTime  < MORNING || curTime >= NIGHT) {
+                    toMorning();
+                } else {
+                    toNight();
+                }
+            }
+
+            sb.append(curBill).append("\n");
+        }
+    }
+
+    private static void toNight() {
+        int leftTimeToNight = NIGHT -  curTime;
+        if ( leftTimeToNight > playTime) { // 밤에 도달 못함
+            curBill += (playTime/HOUR) * 1000;
+            if (playTime%HOUR != 0) curBill += 1000;
+            playTime = 0;
+        } else {
+            if (playTime - leftTimeToNight < 300) {
+                curBill += (playTime/HOUR) * 1000;
+                if (playTime%HOUR != 0) curBill += 1000;
+                playTime = 0;
+            } else {
+                curBill += (leftTimeToNight/HOUR) * 1000;
+                if (leftTimeToNight%HOUR != 0) curBill += 1000;
+                playTime -= leftTimeToNight;
+                curTime = NIGHT;
+            }
+        }
+    }
+
+    private static void toMorning() {
+        int leftTimeToMorning = MORNING - curTime;
+        if ( leftTimeToMorning < 0) leftTimeToMorning += DAY;
+
+        if ( leftTimeToMorning >= 300 ) {
+            if (playTime >= 300){
+                curBill += 5000;
+                playTime -= leftTimeToMorning;
+                curTime = MORNING;
+            } else {
+                curBill += (playTime/HOUR) * 1000;
+                if (playTime%HOUR != 0) curBill += 1000;
+                playTime = 0;
+            }
+        } else {
+            if(leftTimeToMorning > playTime  ) {
+                int tempBill = (leftTimeToMorning/HOUR) * 1000;
+                if(leftTimeToMorning%HOUR != 0) tempBill += 1000;
+
+                curBill += tempBill;
+                curTime += (tempBill/1000)*60;
+                playTime -= (tempBill/1000)*60;
+            } else {
+                curBill += (playTime/HOUR) * 1000;
+                if (playTime%HOUR != 0) curBill += 1000;
+                playTime = 0;
+            }
+        }
+
+        if (curTime > DAY) curTime -= DAY;
+
+    }
+
+    private static void print() {
+        System.out.print(sb.toString());
+    }
+}
+```