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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3.  
  4. int main(void) {
  5. 	double* a;
  6. 	a = (double*)malloc(sizeof(double)*4);
  7. 	// ここまでで、int型の配列（長さ4）ができた。
  8. 	int i;
  9. 	for(i=0;i<5;i++){
  10. 	a[i]=i/10.0;
  11.  
  12. 	}
  13.  
  14. 	for(int i=0;i<5;i++){
  15. 		printf("%lf",a[i]);
  16. 	}
  17.  
  18. 	return 0;
  19. }
  20.  
Success #stdin #stdout 0s 5276KB
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stdin
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Standard input is empty
stdout
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0.0000000.1000000.2000000.3000000.400000
https://ideone.com/HTfnVg
language:
C (gcc 8.3)
created:
10 days ago
visibility:
public

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