29021 755201 寧家楨 錢包app

755201/755201 290 21.cpp

@@ -0,0 +1,51 @@
+#include <iostream>
+using namespace std;
+int main() {
+    float money;
+
+    do {
+        cout << "輸入金額: ";
+        cin >> money;
+    }
+    while (money <= 0 || 10 * money != int(10 * money));
+
+    int money1 = money * 10, time = 0;
+
+    while (money1 >= 10000) {
+        money1 -= 10000;
+        time++;
+    }
+    while (money1 >= 5000) {
+        money1 -= 5000;
+        time++;
+    }
+    while (money1 >= 1000) {
+        money1 -= 1000;
+        time++;
+    }
+    while (money1 >= 500) {
+        money1 -= 500;
+        time++;
+    }
+    while (money1 >= 100) {
+        money1 -= 100;
+        time++;
+    }
+    while (money1 >= 50) {
+        money1 -= 50;
+        time++;
+    }
+    while (money1 >= 10) {
+        money1 -= 10;
+        time++;
+    }
+    while (money1 >= 5) {
+        money1 -= 5;
+        time++;
+    }
+    while (money1 >= 1) {
+        money1 -= 1;
+        time++;
+    }
+    cout << time;
+}