diff --git a/decimal-to-binary/main.cpp b/decimal-to-binary/main.cpp
new file mode 100644
index 0000000..f695946
--- /dev/null
+++ b/decimal-to-binary/main.cpp
@@ -0,0 +1,35 @@
+#include <iostream>
+#include <string>
+#include <vector>
+
+
+
+
+
+
+int main() {
+  int target = 70; //4 bytes
+  bool first; //1 byte
+  int cur_total = 0;
+  std::vector<int> byte_sizes = {128,64,32,16,8,4,2,1}; //32 bytes
+  std::vector<int> saved_indices(8,0); //32 bytes
+  
+  //temp
+  for (size_t i{}; i < byte_sizes.size(); ++i) {
+    if (cur_total + byte_sizes[i] <= target) {
+      saved_indices[i] = 1;
+      cur_total += byte_sizes[i];
+    }
+  }
+  
+  std::cout << target << "\n";
+  for (auto i : saved_indices) {
+    std::cout << i;
+  }
+  std::cout << "\n";
+  std:: cout << static_cast<char>(target) << "\n";
+
+}
+  
+
+