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  1. #include<stdio.h>
  2. #include<string.h>
  3.  
  4. int main() {
  5.     char valor[1000];
  6.     long long int valor_i;
  7.     int position = 0, count = 0;
  8.     scanf("%lld", &valor_i);
  9.     while (valor_i > 0) {
  10.         int bit = valor_i % 2;
  11.         valor[position++] = '0' + bit;
  12.         count += bit;
  13.         valor_i /= 2;
  14.     }
  15.     valor[position] = '\0';
  16.     size_t size = strlen(valor);
  17.     for (int count = 0; count <= size / 2 - 1; count++) {
  18.         char tmp = valor[count];
  19.         valor[count] = valor[size - count - 1];
  20.         valor[size - count - 1] = tmp;
  21.     }
  22.     printf("%s - quantidade de '1' => %d\n", valor, count);
  23.     return 0;
  24. }
Success #stdin #stdout 0s 2172KB
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1110 - quantidade de '1' => 3
https://ideone.com/TOdVU2
language:
C99 (gcc 8.3)
created:
8 years ago
visibility:
secret

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