A - CAPS LOCK Editorial by en_translator
If you are new to learning programming and do not know where to start, please try Problem A “Welcome to AtCoder” from practice contest. There you can find a sample code for each language.
Also, if you are not familiar with problems in programming contests, we recommend you to try some problems in “AtCoder Beginners Selection” (https://atcoder.jp/contests/abs).
「競プロ典型 90 問」(Typical 90 Problems of Competitive Programming) (https://atcoder.jp/contests/typical90) is a collection of typical 90 competitive programming problems; unfortunately, currently the problem statements are all Japanese.
「C++入門 AtCoder Programming Guide for beginners (APG4b)」(https://atcoder.jp/contests/APG4b) is a C++ tutorial for competitive programmers. Sadly, this is only in Japanese too.
One can convert a lowercase English character \(c\) to uppercase with, for example in C++, toupper
function:
// Let C be uppercased c
char C = toupper(c);
Thus, it is sufficient to uppercase each character of \(S\) with a for statement.
Sample code (C++)
#include <bits/stdc++.h>
using namespace std;
int main() {
string S;
cin>>S;
string T = "";
for(int i=0;i<S.size();i++)T += toupper(S[i]);
cout<<T<<endl;
return 0;
}
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