Submission #187307

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Source Code Expand

#include<iostream>
using namespace std;
string a;
char change(char ch){
  if('a'<=ch&&ch<='z'){
    return ch-'a'+'A';
  }
  return ch;
}
char change2(char ch){
  if('A'<=ch&&ch<='Z'){
    return ch-'A'+'a';
  }
  return ch;
}
int main(){
  cin>>a;
  a[0]=change(a[0]);
  for(int i=1;i<(int)a.size();i++){
    a[i]=change2(a[i]);
  }
  cout<<a<<endl;
  return 0;
}

Submission Info

Judge Result