[Office Hour] 為什麼我的 long long compile 不成功?

[ric2k1 (Ric)]

See this code...

#include <iostream>

using namespace std;

int main()
{
   long long ll;

   cout << sizeof(ll) << endl;   // 8 <== 8 Bytes = 64 bits

   // cout << 123456789012345 << endl; // This line has compilation error

   cout << 123456789012345LL << endl;  // see the difference?
}

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