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  1. #include <stdio.h>
  2. /*
  3.  *　演習 １からnまでの総積(総乗)
  4.  */
  5. int main(void) {
  6. 	int i=1, n, pd=1;	//総積pdを１で初期化
  7.  
  8. 	scanf("%d",&n);
  9. 	printf("%d",i);
  10. 	while(i<n){		//次の処理で１増えるため
  11. 		i = i + 1;
  12. 		pd = pd * i;
  13. 		printf(" x %d",i);
  14. 	}
  15. 	printf(" = %d\n",pd);
  16. 	return 0;
  17. }
  18.  
Success #stdin #stdout 0.01s 5320KB
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stdin
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9
stdout
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1 x 2 x 3 x 4 x 5 x 6 x 7 x 8 x 9 = 362880
https://ideone.com/DftwW4
while:総積
language:
C (gcc 8.3)
created:
5 days ago
visibility:
public

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