最简单无脑的方法

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