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@@ -20,3 +20,6 @@ __builtin_ctz(unsigned int) // number of trailing 0-bits
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// __builtin_ctz(0) is undefined
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// __builtin_ctz(0) is undefined
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__builtin_popcount(int) // number of 1-bits
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__builtin_popcount(int) // number of 1-bits
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// __builtin_popcount(0110b) = 2
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// __builtin_popcount(0110b) = 2
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+
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+// desynchronise standard i/o
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+ios::sync_with_stdio(false);
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