11689 solved

11689.cpp

@@ -0,0 +1,29 @@
+#include <iostream>
+using namespace std;
+
+int main(void) {
+  int n;
+  int tmp;
+  int result;
+  int e, f, c;
+
+  cin >> n;
+
+  while (n--) {
+    cin >> e >> f >> c;
+
+    e += f;
+    result = 0;
+
+    while (e >= c) {
+      tmp = e / c;
+      result += tmp;
+      e %= c;
+      e += tmp;
+    }
+
+    cout << result << endl;
+  }
+
+  return 0;
+}