Created
February 13, 2017 06:23
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FizzBuzz
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#include <cstdio> | |
#include <cstdlib> | |
template <int P, bool d3, bool d5> | |
struct print { | |
static void Do(); | |
}; | |
template <int P> | |
struct print<P, false, false> { | |
static void Do() { printf("%i\n", P); } | |
}; | |
template <int P> | |
struct print<P, true, false> { | |
static void Do() { printf("%i %s\n", P, "Fizz"); } | |
}; | |
template <int P> | |
struct print<P, false, true> { | |
static void Do() { printf("%i %s\n", P, "Buzz"); } | |
}; | |
template <int P> | |
struct print<P, true , true> { | |
static void Do() { printf("%i %s\n", P, "FizzBuzz"); } | |
}; | |
template <int A, int B, int R> | |
struct iterate { | |
static void Do() { | |
print<A, A % 3 == 0, A % 5 == 0>::Do(); | |
iterate<A + R, B, R>::Do(); | |
} | |
}; | |
template <int A, int R> | |
struct iterate<A, A, R> { | |
static void Do() { | |
print<A, A % 3 == 0, A % 5 == 0>::Do(); | |
} | |
}; | |
template <int A, int B> | |
void FizzBuzz() { | |
iterate<A, B, (A > B ? -1 : 1)>::Do(); | |
} | |
void main() { | |
FizzBuzz<20, 0>(); | |
system("pause"); | |
} |
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