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  1. #include <iostream>
  2. #include <string>
  3. #include <algorithm>
  4. #define ll long long
  5. using namespace std;
  6.  
  7. string ans[101];
  8.  
  9. string addStrings(string num1, string num2) {
  10.  
  11.         while(num1.size()>num2.size())
  12.         {
  13.             num2='0'+num2;
  14.         }
  15.         while(num2.size()>num1.size())
  16.         {
  17.             num1='0'+num1;
  18.         }
  19.  
  20.         int n=num2.size();
  21.         int res;
  22.         string ans="";
  23.         int carry=0;
  24.        for(int i=n-1;i>=0;i--){
  25.            res=((num1[i]-'0')+(num2[i]-'0')+carry)%10;
  26.            carry=((num1[i]-'0')+(num2[i]-'0')+carry)/10;
  27.            ans=ans+ to_string(res);
  28.  
  29.        }
  30.         if(carry==1){ ans=ans+to_string(1);}
  31.         reverse(ans.begin(),ans.end());
  32.         return ans;
  33.     }
  34.  
  35. void solve()
  36. {
  37.     int n;
  38.     cin >> n;
  39.     cout << ans[n] << endl;
  40. }
  41.  
  42. int main() {
  43.     ios_base::sync_with_stdio(false);
  44.     cin.tie(NULL);
  45.  
  46.     ans[0]='1', ans[1] = '1';
  47.     for (int i=2; i<101; ++i)
  48.     {
  49.         ans[i] = addStrings(ans[i-1], ans[i-2]);
  50.     }
  51.  
  52.     int tc;
  53.     cin >> tc;
  54.     while (tc--)
  55.     {
  56.         solve();
  57.     }
  58.  
  59.  
  60.     return 0;
  61. }
Success #stdin #stdout 0s 5616KB
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573147844013817084101
https://ideone.com/T9qzko
language:
C++14 (gcc 8.3)
created:
2 years ago
visibility:
public

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