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  1. #define _CRT_SECURE_NO_WARNINGS
  2. #include <stdio.h>
  3.  
  4. int prime(int p) {
  5.     int j = 2;
  6.     int r = sqrt(p);
  7.     if (p == 1) return 0;
  8.     for (int j = 2; j <= r; ++j)
  9.         if (p % j == 0)
  10.             return 0;
  11.     return 1;
  12. }
  13.  
  14. int main() {
  15.     int n, m, p, t;
  16.  
  17.     scanf("%d", &t);
  18.     for (int i = 0; i<t; ++i)
  19.     {
  20.         scanf("%d %d", &m, &n);
  21.         for (p = m; p <= n; ++p)
  22.         {
  23.             if (prime(p)) printf("%d\n", p);
  24.         }
  25.     }
  26.     return 0;
  27. }
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin
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3
1 10
3 5
compilation info 
prog.cpp: In function 'int prime(int)':
prog.cpp:6:19: error: 'sqrt' was not declared in this scope
     int r = sqrt(p);
                   ^
stdout
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Standard output is empty
https://ideone.com/0eMotY
language:
C++ (gcc 8.3)
created:
8 years ago
visibility:
public

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