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Mohammad_Dipu_Sultan

lensome knight

Jun 9th, 2020
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C++ 1.61 KB | None | 0 0
  1. #include<bits/stdc++.h>
  2. using namespace std;
  3. typedef long long           ll;
  4. typedef unsigned long long  ull;
  5.  
  6. #define testcase            int t; cin>>t; while (t--)
  7. #define sc(a)               scanf("%lld",&a)
  8. #define sc2(a,b)            scanf("%lld %lld",&a,&b)
  9. #define reversed(s)         reverse(s.begin(), s.end())
  10. #define asort(s)            sort(s.begin(), s.end())
  11. #define dsort(s)            sort(s.begin(), s.end(),greater<ll>())
  12. #define gtl(x)              getline(cin, (x))
  13. #define PI                  acos(-1)
  14. #define Precision(a)        cout << fixed << setprecision(a)
  15. #define FasterIo            ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
  16.  
  17. template <typename T> T Sqr(T x) { T n = x * x ; return n ;}
  18. template <typename T> T Pow(T B,T P){ if(P==0) return 1; if(P&1) return B*Pow(B,P-1);  else return Sqr(Pow(B,P/2));}
  19. template <typename T> T Abs(T a) {if(a<0)return -a;else return a;}
  20. template <typename T> T Gcd(T a,T b){if(a<0)return Gcd(-a,b);if(b<0)return Gcd(a,-b);return (b==0)?a:Gcd(b,a%b);}
  21. template <typename T> T Lcm(T a,T b) {if(a<0)return Lcm(-a,b);if(b<0)return Lcm(a,-b);return a*(b/Gcd(a,b));}
  22.  
  23. int knight[8][8]={2,3,4,4,4,4,3,2,
  24.                   3,4,6,6,6,6,4,3,
  25.                   4,6,8,8,8,8,6,4,
  26.                   4,6,8,8,8,8,6,4,
  27.                   4,6,8,8,8,8,6,4,
  28.                   4,6,8,8,8,8,6,4,
  29.                   3,4,6,6,6,6,4,3,
  30.                   2,3,4,4,4,4,3,2};
  31.  
  32. int main()
  33. {
  34.     FasterIo
  35.     testcase
  36.     {
  37.         char l, d;
  38.         int intl, intd;
  39.         cin >> l >> d;
  40.         intl = l-'a'+1;
  41.         intd = d-'0';
  42.         cout << knight[intl-1][intd-1] << endl;
  43.  
  44.     }
  45.     return 0;
  46. }
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