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  1. #include <stdio.h>
  2. int main ()
  3. {
  4. int num;
  5. int num_squared;
  6.  
  7. for(num = 1; num <= 10; ++num)
  8. {
  9. printf (" %d %d\n", num, num*num);
  10. }
  11. return(0);
  12. }
Success #stdin #stdout 0s 5320KB
stdin
Standard input is empty
stdout
 1 1
 2 4
 3 9
 4 16
 5 25
 6 36
 7 49
 8 64
 9 81
 10 100