feat(Week04): Add exercises and solutions

1 files changed, 23 insertions, 0 deletions

diff --git a/Week04/Exercise20.cpp b/Week04/Exercise20.cpp
new file mode 100644
index 0000000..eebd837
--- /dev/null
+++ b/Week04/Exercise20.cpp
@@ -0,0 +1,23 @@
+#include <iostream>
+
+int main() {
+    float goal, range;
+    std::cin >> goal >> range;
+
+    float sum = 0, element;
+    std::cin >> element;
+
+    sum += element;
+    float percent_difference = (sum > goal ? sum - goal : goal - sum) / ((goal + sum) / 2.0) * 100.0;
+
+    while (100.0 - percent_difference < range) {
+        std::cin >> element;
+
+        sum += element;
+        percent_difference = (sum > goal ? sum - goal : goal - sum) / ((goal + sum) / 2.0) * 100.0;
+    }
+
+    std::cout << sum;
+
+    return 0;
+}