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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3.  
  4. int main(void) {
  5. int count,sum;
  6. sum=0;
  7.  
  8. for(count=0;count<20;count++)
  9. sum=sum+count;
  10.  
  11. printf(" sum=%d\n",sum);
  12.  
  13. system("pause");
  14. return 0;
  15. }
Success #stdin #stdout #stderr 0.01s 5308KB
stdin
Standard input is empty
stdout
 sum=190
stderr
sh: 1: pause: not found