Merge pull request #4343 from pauloscustodio/paulo-custodio

Add solutions to challenge 011

1 files changed, 24 insertions, 0 deletions

diff --git a/challenge-011/paulo-custodio/cpp/ch-1.cpp b/challenge-011/paulo-custodio/cpp/ch-1.cpp
new file mode 100644
index 0000000000..e3096ba9da
--- /dev/null
+++ b/challenge-011/paulo-custodio/cpp/ch-1.cpp
@@ -0,0 +1,24 @@
+/*
+Challenge 011
+
+Challenge #1
+Write a script that computes the equal point in the Fahrenheit and Celsius
+scales, knowing that the freezing point of water is 32oF and 0oC, and that
+the boiling point of water is 212oF and 100oC. This challenge was proposed
+by Laurent Rosenfeld.
+
+F = (C * 9/5) + 32
+F = C = x
+=>  x = (x * 9/5) + 32
+<=> x * (1 - 9/5) = 32
+<=> x = 32 / (1 - 9/5)
+*/
+
+#include <iostream>
+#include <iomanip>
+using namespace std;
+
+int main() {
+    cout << fixed << setprecision(1)
+         << 32.0 / (1.0 - 9.0/5.0) << endl;
+}