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diff --git a/challenge-002/paulo-custodio/cpp/ch-1.cpp b/challenge-002/paulo-custodio/cpp/ch-1.cpp
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+++ b/challenge-002/paulo-custodio/cpp/ch-1.cpp
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+/*
+Challenge 002
+
+Challenge #1
+Write a script or one-liner to remove leading zeros from positive numbers.
+*/
+
+#include <iostream>
+#include <cctype>
+
+int main(int argc, char* argv[]) {
+ if (argc==2) {
+ char* p = argv[1];
+ while (*p=='0' && isdigit(p[1]))
+ p++;
+ std::cout << p << std::endl;
+ }
+}