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  1. #include <cstdio>
  2.  
  3. constexpr const int a[] = {1, -2, 2, -2, 5, -2, 7, 8, 9, 1};
  4. constexpr const unsigned n = sizeof a / sizeof *a;
  5.  
  6. template <const int *x, unsigned i=0, long long t=1> class c
  7.   {
  8.   public:
  9.     const static long long p = c<x, i+1, x[i]<0 ? t**(x+i) : t>::p;
  10.     const static long long s = c<x, i+1, (x[i]>0) ? t+x[i] : t>::s;
  11.   };
  12.  
  13. template <const int *x, long long t> class c<x, n, t>
  14.   {
  15.   public:
  16.     const static long long p = t;
  17.     const static long long s = t-1;
  18.   };
  19.  
  20. constexpr long long p()
  21.   {
  22.   return c<a>::p;
  23.   }
  24.  
  25. constexpr long long s()
  26.   {
  27.   return c<a>::s;
  28.   }
  29.  
  30. int main(void)
  31.   {
  32.   return !printf("%Ld\n%Ld\n", p(), s());
  33.   }
Success #stdin #stdout 0s 3412KB
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Standard input is empty
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-8
33
https://ideone.com/T9n4B4
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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