The only king stands on the standard chess board. You are given his position in format "cd", where c is the column from ‘a‘ to ‘h‘ and dis the row from ‘1‘ to ‘8‘. Find the number of moves permitted for the king.
Check the king‘s moves here https://en.wikipedia.org/wiki/King_(chess).
King moves from the position e4The only line contains the king‘s position in the format "cd", where ‘c‘ is the column from ‘a‘ to ‘h‘ and ‘d‘ is the row from ‘1‘ to ‘8‘.
Print the only integer x — the number of moves permitted for the king.
e4
8
分析：给你横纵坐标，瞎搞就好。
1 #include<bits/stdc++.h> 2 using namespace std; 3 int main() 4 { 5 char str[3]; 6 ios::sync_with_stdio(false); 7 cin.tie(0); 8 cin >> str; 9 if(str[0] == ‘a‘) 10 { 11 if(str[1] == ‘8‘ || str[1] == ‘1‘) 12 cout << 3 << endl; 13 else 14 cout << 5 << endl; 15 } 16 else if(str[0] == ‘h‘) 17 { 18 if(str[1] == ‘8‘ || str[1] == ‘1‘) 19 cout << 3 << endl; 20 else 21 cout << 5 << endl; 22 } 23 else if(str[1] == ‘8‘ || str[1] == ‘1‘) 24 { 25 cout << 5 << endl; 26 } 27 else 28 cout << 8 << endl; 29 return 0; 30 }
原文：http://www.cnblogs.com/PrayG/p/5809842.html