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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. // your code goes here
  5. int a,b;
  6. scanf("%d%d",&a,&b);
  7. printf("a=%d\n",a);
  8. printf("-a=%d\n",-a);
  9. printf("a-b=%d\n",a-b);
  10.  
  11. return 0;
  12. }
  13.  
Success #stdin #stdout 0s 5324KB
stdin
99 88
stdout
a=99
-a=-99
a-b=11