解题思路:
注意事项:
参考代码:
#include <cstdio> #include <algorithm> #include <iostream> #include <string> using namespace std; string s1,s2; int judge(string s1, string s2){ int flag; if(s1[0] == s2[0]) { flag = 2; } else if(abs(s1[0] - s2[0]) == abs('A'-'a') || s1[0] - s2[0] == 0) flag = 3; else flag = 4; for(int i = 1; i < s1.length(); i++){ if(flag == 2 && s1[i] == s2[i]) { flag = 2; } else if((flag == 2 || flag == 3) && (abs(s1[i] - s2[i]) == abs('A'-'a') || s1[i] == s2[i])){ flag = 3; } else flag = 4; } return flag; } int main(void){ cin >> s1 >> s2; int ans = 0; if(s1.length() == s2.length()){ ans = judge(s1,s2); }else{ ans = 1; } cout << ans; return 0; }
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