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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4.  
  5.  int num;
  6.     int sum = 0;
  7.  
  8.     while (1) {
  9.  
  10.         printf("整数:%d ",num);
  11.         scanf("%d", &num);
  12.  
  13.         if (num < 0) {
  14.             printf("正の整数を入力してください\n");
  15.         }
  16.         else if (num == 0) {
  17.             break;
  18.         }
  19.         else {
  20.             sum += num;
  21.         }
  22.     }
  23.  
  24.     printf("\n合計 = %d\n", sum);
  25.  
  26. 	return 0;
  27. }
  28.  
Success #stdin #stdout 0s 5316KB
comments (?)
stdin
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3
7
8
5
0
stdout
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整数:21906 整数:3 整数:7 整数:8 整数:5 
合計 = 23
https://ideone.com/CA80Ps
language:
C (gcc 8.3)
created:
2 hours ago
visibility:
public

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