原始人方法

#include<bits/stdc++.h>
using namespace std;
int main()
{
	char a;
	cin>>a;
	if(a=='a')
	{
		cout<<"A";
	}
	if(a=='b')
	{
		cout<<"B";
	}
	if(a=='c')
	{
		cout<<"C";
	}
	if(a=='d')
	{
		cout<<"D";
	}
	if(a=='e')
	{
		cout<<"E";
	}
	if(a=='f')
	{
		cout<<"F";
	}
	if(a=='g')
	{
		cout<<"G";
	}
	if(a=='h')
	{
		cout<<"H";
	}
	if(a=='i')
	{
		cout<<"I";
	}
	if(a=='j')
	{
		cout<<"J";
	}
	if(a=='k')
	{
		cout<<"K";
	}
	if(a=='l')
	{
		cout<<"L";
	}
	if(a=='m')
	{
		cout<<"M";
	}
	if(a=='n')
	{
		cout<<"N";
	}
	if(a=='o')
	{
		cout<<"O";
	}
	if(a=='p')
	{
		cout<<"P";
	}
	if(a=='q')
	{
		cout<<"Q";
	}
	if(a=='r')
	{
		cout<<"R";
	}
	if(a=='s')
	{
		cout<<"S";
	}
	if(a=='t')
	{
		cout<<"T";
	}
	if(a=='u')
	{
		cout<<"U";
	}
	if(a=='v')
	{
		cout<<"V";
	}
	if(a=='w')
	{
		cout<<"W";
	}
	if(a=='x')
	{
		cout<<"X";
	}
	if(a=='y')
	{
		cout<<"Y";
	}
	if(a=='z')
	{
		cout<<"Z";
	}
	if(a=='A')
	{
		cout<<"a";
	}
	if(a=='B')
	{
		cout<<"b";
	}
	if(a=='C')
	{
		cout<<"c";
	}
	if(a=='D')
	{
		cout<<"d";
	}
	if(a=='E')
	{
		cout<<"e";
	}
	if(a=='F')
	{
		cout<<"f";
	}
	if(a=='G')
	{
		cout<<"g";
	}
	if(a=='H')
	{
		cout<<"h";
	}
	if(a=='I')
	{
		cout<<"i";
	}
	if(a=='J')
	{
		cout<<"j";
	}
	if(a=='K')
	{
		cout<<"k";
	}
	if(a=='L')
	{
		cout<<"l";
	}
	if(a=='M')
	{
		cout<<"m";
	}
	if(a=='N')
	{
		cout<<"n";
	}
	if(a=='O')
	{
		cout<<"o";
	}
	if(a=='P')
	{
		cout<<"p";
	}
	if(a=='Q')
	{
		cout<<"q";
	}
	if(a=='R')
	{
		cout<<"r";
	}
	if(a=='S')
	{
		cout<<"s";
	}
	if(a=='T')
	{
		cout<<"t";
	}
	if(a=='U')
	{
		cout<<"u";
	}
	if(a=='V')
	{
		cout<<"v";
	}
	if(a=='W')
	{
		cout<<"w";
	}
	if(a=='X')
	{
		cout<<"x";
	}
	if(a=='Y')
	{
		cout<<"y";
	}
	if(a=='Z')
	{
		cout<<"z";
	}
	return 0;
}

多是多了点，麻烦是麻烦点，但是一定是满分，