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  1. #include <stdio.h>
  2. #include <math.h>
  3.  
  4. int main(void) {
  5.  int a, b;
  6.  cin >> a;
  7.  cin >> b;
  8.  double c = sqrt(a*a + b*b);
  9.  cout<< c;
  10.  return 0;
  11. }
  12.  
Compilation error #stdin compilation error #stdout 0s 0KB
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stdin
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Standard input is empty
compilation info 
prog.c: In function 'main':
prog.c:6:2: error: 'cin' undeclared (first use in this function)
  cin >> a;
  ^
prog.c:6:2: note: each undeclared identifier is reported only once for each function it appears in
prog.c:9:2: error: 'cout' undeclared (first use in this function)
  cout<< c;
  ^
stdout
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Standard output is empty
https://ideone.com/Ajgofg
language:
C (gcc 8.3)
created:
8 years ago
visibility:
public

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