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  1. #include <stdio.h>
  2. int main() {
  3.   //ここを作成
  4.   int a,b,c,d,e,count;
  5.   count=0;
  6.   a=100;
  7.   while(a<=1000){
  8.       b=a/100;
  9.       c=a%100/10;
  10.       d=a%100%10;
  11.       e=b+c+d;
  12.       if(e%7==0){
  13.           count++;
  14.  
  15.       }a++;
  16.  
  17.   }
  18.   printf("各位の値の合計値が７の倍数になる整数は%dである",count);
  19.  
  20.  
  21.   return 0;
  22.  
  23. }
Success #stdin #stdout 0.01s 5308KB
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各位の値の合計値が７の倍数になる整数は126である
https://ideone.com/RIwpyC
language:
C99 (gcc 8.3)
created:
8 days ago
visibility:
public

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