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  1. #include<stdio.h>
  2. void main()
  3. {
  4.     char lower, upper;
  5.     upper= getchar();
  6.     lower= tolower(upper);
  7.     putchar(lower);
  8. }
  9.  
  10.  
Runtime error #stdin #stdout 0s 2172KB
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stdin
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Standard input is empty
stdout
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�
https://ideone.com/tdgCiY
language:
C (gcc 8.3)
created:
9 years ago
visibility:
public

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