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  1. #include <stdio.h>
  2. #include <math.h> //関数計算用
  3. int main(void) {
  4. 		int n;
  5. 		float a,p;
  6.  
  7. 		printf("整数値を入力\n");
  8. 		scanf("%d",&a);
  9. 		if(a>=0){
  10. 				p=sqrt(a);
  11. 				printf("正です:%f\n",p);
  12. 		} else {
  13. 			n=a*a;
  14. 			printf("負です:%d\n",n);
  15. 		}
  16. 	return 0;
  17. }
  18.  
Success #stdin #stdout 0s 4304KB
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stdin
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Standard input is empty
stdout
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整数値を入力
正です:0.000000
https://ideone.com/nBwmeS
language:
C (gcc 8.3)
created:
4 years ago
visibility:
public

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