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  1. #include <stdio.h>
  2.  
  3. int main() {
  4.   int a, sum = 0;
  5.   scanf("%d", &a);
  6.  
  7.   while (a > 0) {
  8.     sum += a % 10;
  9.     a /= 10;
  10.   }
  11.  
  12.   printf("すべての桁の合計は %d である\n", sum);
  13.   return 0;
  14. }
  15.  
Success #stdin #stdout 0s 5288KB
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stdin
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22222
stdout
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すべての桁の合計は 10 である
https://ideone.com/L2XBZg
language:
C (gcc 8.3)
created:
16 days ago
visibility:
public

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