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  1. #include <stdio.h>
  2. #include<stdbool.h>
  3.  
  4. main(){
  5. int sum1=0, sum2=0;
  6. bool many11=false;
  7. int i,count=1;
  8. while(scanf("%d",&i)!=EOF){
  9. if(count%2==1){
  10. sum1+=i;
  11. count++;
  12. }
  13. else{
  14. sum2+=i;
  15. count++;
  16. }
  17. }
  18. many11=((sum1-sum2)%11==0);
  19. printf("%d",many11);
  20. return 0;
  21. }
  22.  
Success #stdin #stdout 0s 5324KB
stdin
1 5 1 3 1 6
stdout
1