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  1. #include <stdio.h>
  2. 	void s(int n,int i){
  3. if(n==1){return ;}
  4. 	else if(n%i==0){
  5. 	printf("%d",i);
  6. 	if(n/i!=1){
  7. 	printf("×");}
  8. 	s(n/i,i);}
  9. 	else{s(n,i+1);}}
  10. int main(void) {int a;
  11. 	scanf("%d",&a);
  12. if(a<3){printf("3以上の整数を入力してください\n");}
  13. else{printf("3以上の整数を入力してください:%d\n",a);
  14. printf("%d=",a);	
  15. 	s(a,2);}
  16. 	return 0;}
  17.  
Success #stdin #stdout 0s 5320KB
comments (?)
stdin
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1974
stdout
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3以上の整数を入力してください:1974
1974=2×3×7×47
https://ideone.com/P8wv1N
language:
C (gcc 8.3)
created:
2 days ago
visibility:
public

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