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  1. #include <omp.h> 
  2. #include <stdio.h> 
  3. int main() { 
  4. 	#pragma omp parallel 
  5. 	{ 
  6. 		int threadnum = omp_get_thread_num(); 
  7. 		printf("Thread id: %d\n",threadnum); 
  8. 	}
  9. }
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:4: warning: ignoring #pragma omp parallel [-Wunknown-pragmas]
  #pragma omp parallel
 
/usr/bin/ld: /home/ByoqNT/ccpKKhUg.o: in function `main':
prog.c:(.text.startup+0x5): undefined reference to `omp_get_thread_num'
collect2: error: ld returned 1 exit status
stdout
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Standard output is empty
https://ideone.com/lwfli3
language:
C (gcc 8.3)
created:
4 years ago
visibility:
public

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