#include<bits/stdc++.h> using namespace std; int main(){ char a; cin>>a; if(a>='A' and a<='Z') a=char(a+32); cout<<a-'a'+1; return 0; }

#include <iostream> using namespace std; int main(){ char n; cin>>n; if(n=='a'||n=='A'){cout <<"1";} else if(n=='b'||n=='B'){cout <<"2";} else if(n=='c'||n=='C'){cout <<"3";} else if(n=='d'||n=='D'){cout <<"4";} else if(n=='e'||n=='E'){cout <<"5";} else if(n=='f'||n=='F'){cout <<"6";} else if(n=='g'||n=='G'){cout <<"7";} else if(n=='h'||n=='H'){cout <<"8";} else if(n=='i'||n=='I'){cout <<"9";} else if(n=='j'||n=='J'){cout <<"10";} else if(n=='k'||n=='K'){cout <<"11";} else if(n=='l'||n=='L'){cout <<"12";} else if(n=='m'||n=='M'){cout <<"13";} else if(n=='n'||n=='N'){cout <<"14";} else if(n=='o'||n=='O'){cout <<"15";} else if(n=='p'||n=='P'){cout <<"16";} else if(n=='q'||n=='Q'){cout <<"17";} else if(n=='r'||n=='R'){cout <<"18";} else if(n=='s'||n=='S'){cout <<"19";} else if(n=='t'||n=='T'){cout <<"20";} else if(n=='u'||n=='U'){cout <<"21";} else if(n=='v'||n=='V'){cout <<"22";} else if(n=='w'||n=='W'){cout <<"23";} else if(n=='x'||n=='X'){cout <<"24";} else if(n=='y'||n=='Y'){cout <<"25";} else if(n=='z'||n=='Z'){cout <<"26";} return 0; }

#include<bits/stdc++.h> using namespace std; int main(){ char a; cin>>a; if ((int)a>=97&&(int)a<=122) cout <<(int)a-96; else cout <<(int)a-64; }

很简单：

char = input() if char.islower(): index = ord(char) - ord('a') + 1 else: index = ord(char) - ord('A') + 1 print(index)

char = input() if char.islower(): index = ord(char) - ord('a') + 1 else: index = ord(char) - ord('A') + 1 print(index)

#include<bits/stdc++.h> using namespace std; int main(){ char x; cin>>x; if(x=='a' or x=='A') cout<<"1"; else if(x=='b' or x=='B') cout<<"2"; else if(x=='c' or x=='C') cout<<"3"; else if(x=='d' or x=='D') cout<<"4"; else if(x=='e' or x=='E') cout<<"5"; else if(x=='f' or x=='F') cout<<"6"; else if(x=='g' or x=='G') cout<<"7"; else if(x=='h' or x=='H') cout<<"8"; else if(x=='i' or x=='I') cout<<"9"; else if(x=='j' or x=='J') cout<<"10"; else if(x=='k' or x=='K') cout<<"11"; else if(x=='l' or x=='L') cout<<"12"; else if(x=='m' or x=='M') cout<<"13"; else if(x=='n' or x=='N') cout<<"14"; else if(x=='o' or x=='O') cout<<"15"; else if(x=='p' or x=='P') cout<<"16"; else if(x=='q' or x=='Q') cout<<"17"; else if(x=='r' or x=='R') cout<<"18"; else if(x=='s' or x=='S') cout<<"19"; else if(x=='t' or x=='T') cout<<"20"; else if(x=='u' or x=='U') cout<<"21"; else if(x=='v' or x=='V') cout<<"22"; else if(x=='w' or x=='W') cout<<"23"; else if(x=='x' or x=='X') cout<<"24"; else if(x=='y' or x=='Y') cout<<"25"; else if(x=='z' or x=='Z') cout<<"26"; return 0; }

#include<iostream> using namespace std; int main() { char n; cin>>n; switch(n) { case'a':cout<<"1";break; case'b':cout<<"2";break; case'c':cout<<"3";break; case'd':cout<<"4";break; case'e':cout<<"5";break; case'f':cout<<"6";break; case'g':cout<<"7";break; case'h':cout<<"8";break; case'i':cout<<"9";break; case'j':cout<<"10";break; case'k':cout<<"11";break; case'l':cout<<"12";break; case'm':cout<<"13";break; case'n':cout<<"14";break; case'o':cout<<"15";break; case'p':cout<<"16";break; case'q':cout<<"17";break; case'r':cout<<"18";break; case's':cout<<"19";break; case't':cout<<"20";break; case'u':cout<<"21";break; case'v':cout<<"22";break; case'w':cout<<"23";break; case'x':cout<<"24";break; case'y':cout<<"25";break; case'z':cout<<"26";break; case'A':cout<<"1";break; case'B':cout<<"2";break; case'C':cout<<"3";break; case'D':cout<<"4";break; case'E':cout<<"5";break; case'F':cout<<"6";break; case'G':cout<<"7";break; case'H':cout<<"8";break; case'I':cout<<"9";break; case'J':cout<<"10";break; case'K':cout<<"11";break; case'L':cout<<"12";break; case'M':cout<<"13";break; case'N':cout<<"14";break; case'O':cout<<"15";break; case'P':cout<<"16";break; case'Q':cout<<"17";break; case'R':cout<<"18";break; case'S':cout<<"19";break; case'T':cout<<"20";break; case'U':cout<<"21";break; case'V':cout<<"22";break; case'W':cout<<"23";break; case'X':cout<<"24";break; case'Y':cout<<"25";break; case'Z':cout<<"26";break; } return 0; }

#include <bits/stdc++.h> using namespace std; int main(){ char ch; cin >> ch; if( ch >='a' and ch <= 'z'){ cout<< ch-'a'+1; } else { cout << ch-'a'+33; } return 0; }

#include <bits/stdc++.h> using namespace std; int main(){ int m; char n; cin>>n; if(n>='a' && n<='z') cout<<n-97+1; if(n>='A' && n<='Z') cout<<n-65+1; }