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  1. #include<stdio.h>
  2. void main()
  3. {
  4.     int lower, upper;
  5.     lower= getchar();
  6.     upper= toupper(lower);
  7.     putchar(upper);
  8. }
  9.  
Runtime error #stdin #stdout 0s 2172KB
comments (?)
stdin 
Standard input is empty
stdout 
�
https://ideone.com/em8moE
language:
C (gcc 8.3)
created:
9 years ago
visibility:
public

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