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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. #define ll long long
  4.  
  5. // Function to print a __int128_t value
  6. void print128(__int128_t x) {
  7.     if (x == 0) {
  8.         cout << 0;
  9.         return;
  10.     }
  11.  
  12.     if (x < 0) {
  13.         cout << '-';
  14.         x = -x;
  15.     }
  16.  
  17.     // Recursively print digits
  18.     string res;
  19.     while (x > 0) {
  20.         res.push_back('0' + (x % 10));
  21.         x /= 10;
  22.     }
  23.     reverse(res.begin(), res.end());
  24.     cout << res;
  25. }
  26.  
  27. int main() {
  28.     ios::sync_with_stdio(0);
  29.     cin.tie(0);
  30.     int t = 1;
  31.     cin >> t;
  32.     while (t--) {
  33.         ll n;
  34.         cin >> n;
  35.         __int128_t x = (__int128_t)n * (__int128_t)n;
  36.  
  37.         // Custom print function for __int128_t
  38.         print128(x);
  39.         cout << "\n";
  40.     }
  41.     return 0;
  42. }
  43.  
Success #stdin #stdout 0s 5288KB
comments (?)
stdin
copy 
2
1000000000000000000
3
stdout
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1000000000000000000000000000000000000
9
https://ideone.com/L55nAl
language:
C++ (gcc 8.3)
created:
1 day ago
visibility:
public

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