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abs() for int comes from <cstdlib> per section 26.5 of the C++ Standard

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lukec committed Aug 1, 2011
1 parent e6ebf7b commit 2660e8a1d5c18ce91b483bbc59a7020d9664c5f8
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  1. +1 −0 ais1_2_3.cpp
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@@ -7,6 +7,7 @@
#include <string>
#include <cassert>
#include <cmath>
+#include <cstdlib>
using namespace std;

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