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  1. #include <stdio.h>
  2.  
  3. int main() {
  4.     int tombol;
  5.     long long kelereng = 0;
  6.     while (1) {
  7.         scanf("%d", &tombol);
  8.         if (tombol == 9) {
  9.             break;
  10.         } else if (tombol == 1) {
  11.             kelereng += 1;
  12.         } else if (tombol == 2) {
  13.             if (kelereng % 2 == 0) {
  14.                 kelereng = kelereng / 2;
  15.             } else {
  16.                 kelereng = kelereng * 2;
  17.             }
  18.         }
  19.     }
  20.  
  21.     printf("%lld\n", kelereng);
  22.     return 0;
  23. }
  24.  
Success #stdin #stdout 0s 5312KB
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https://ideone.com/58O1mt
language:
C (gcc 8.3)
created:
14 hours ago
visibility:
public

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