题解

#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;
}