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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. #define ll long long
  4. bool prime(ll x){
  5.     if(x < 2) return false;
  6.     for(ll i = 2; i * i <= x; i++)
  7.         if(x % i == 0) return false;
  8.     return true;
  9. }
  10. int main(){
  11.     ios::sync_with_stdio(false);
  12.     cin.tie(nullptr);
  13.     string n;
  14.     ll y;
  15.     cin >> n >> y;
  16.     ll s = 0;
  17.     for(char c : n) s += c - '0';
  18.     ll a = 0, tmp = y;
  19.     while(tmp){
  20.         a += tmp % 10;
  21.         tmp /= 10;
  22.     }
  23.     ll r = 0;
  24.     int len = n.size();
  25.     if(len == 1){
  26.         r = n[0] - '0';
  27.     } else {
  28.         r = (n[1] - '0') * 10 + (n[0] - '0');
  29.     }
  30.     ll x0 = s + (a % 10);
  31.     ll y0 = (r + a) % 100;
  32.     double x = 21.268443;
  33.     double y1 = 105.204557;
  34.     double d = sqrt((x0 - x)*(x0 - x) + (y0 - y1)*(y0 - y1));
  35.     ll k = (ll)floor(d);
  36.     cout << (prime(k) ? "YES" : "NO");
  37. }
  38. //Author:PhuocThien.
  39.  
Success #stdin #stdout 0s 5312KB
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Standard input is empty
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YES
https://ideone.com/eRdWZM
language:
C++ (gcc 8.3)
created:
1 hour ago
visibility:
public

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