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  1. using ull = unsigned long long;
  2. constexpr ull Modulus = 10000000000ULL;
  3.  
  4. inline ull modMul(const ull x, const ull y) {
  5. 	if (x > (1<<30) && y > (1 << 30))
  6. 		return ((x >> 30)*((y << 30) % Modulus) + y*(x & ((1 << 30) - 1))) % Modulus;
  7. 	ull z = x*y;
  8. 	if (z >= Modulus)
  9. 		z %= Modulus;
  10. 	return z;
  11. }
Compilation error #stdin compilation error #stdout 0s 0KB
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Standard input is empty
compilation info 
/usr/lib/gcc/x86_64-linux-gnu/6/../../../x86_64-linux-gnu/Scrt1.o: In function `_start':
(.text+0x20): undefined reference to `main'
collect2: error: ld returned 1 exit status
stdout
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Standard output is empty
https://ideone.com/6XXA13
language:
C++14 (gcc 8.3)
created:
4 years ago
visibility:
public

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