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  1. #include <bits/stdc++.h>
  2. #define ll long long
  3. #define ull unsigned long long
  4. #define all(x) x.begin(), x.end()
  5. #define endl '\n'
  6. using namespace std;
  7. //vector<vector<int>> arr(n + 1, vector<int>(m + 1));
  8. bool check_bit(long long n,long long i) {
  9.     return (n>>i)&1;
  10. }
  11. int count_ones(ll n) {
  12.     return __builtin_popcountll(n);
  13. }
  14. int getBit(int num,int pos)
  15. {
  16.     num=num>>pos;
  17.     return num&1;
  18. }
  19. int gcd(int a, int b) {
  20.     if (b == 0)
  21.         return a;
  22.     return gcd(b, a % b);
  23. }
  24. bool isvowel(char c) {
  25.     return (c == 'a' || c == 'e' || c == 'i' || c == 'o'|| c == 'u');
  26. }
  27. bool is_equal(vector<int>v,int x) {
  28.     for(int i=0;i<v.size();i++) {
  29.         if(v[i]!=x) return false;
  30.     }
  31.     return true;
  32. }
  33. void solve() {
  34.     ios::sync_with_stdio(false);
  35.     cin.tie(nullptr);
  36.     //freopen("input.txt","r",stdin);
  37.     //freopen("output.txt","w",stdout);
  38.     int t=1;
  39.     cin>>t;
  40.     while(t--) {
  41.         double x;
  42.         cin>>x;
  43.         double l=0,r=1e3+1;
  44.         double iter=600;
  45.         bool flag=false;
  46.         while(l<=r&&iter--) {
  47.             double mid=(l+r)/2;
  48.             double x2=abs(x-mid);
  49.             if ((x2+mid==x)&&(ceil(x2*mid)==x)) {
  50.                 if (mid<x2) {
  51.                     cout<<fixed<<setprecision(9)<<"Y"<<" "<<x2<<" "<<mid<<endl;
  52.                 }
  53.                 else {
  54.                     cout<<fixed<<setprecision(9)<<"Y"<<" "<<mid<<" "<<x2<<endl;
  55.                 }
  56.                 flag=true;
  57.                 break;
  58.             }
  59.             if ((mid+x2)>x||ceil(mid*x2)>x) {
  60.                 r=mid;
  61.             }
  62.             else {
  63.                 l=mid;
  64.             }
  65.  
  66.         }
  67.         if (!flag) {
  68.             cout<<"N\n";
  69.         }
  70.     }
  71.  
  72. }
  73. int main() {
  74.     solve();
  75. }
Success #stdin #stdout 0s 5316KB
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Standard input is empty
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N
https://ideone.com/V4EkDb
language:
C++ (gcc 8.3)
created:
1 day ago
visibility:
public

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