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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)*5);
  7. 	for(int i=0;i<5;i++) a[i]=(double)i/10.0;
  8. 	for(int i=0;i<5;i++){
  9. 		printf("a[%d]のアドレスは%p\n",i,&a[i]);
  10. 		printf("その中身は%lf\n",a[i]);
  11. 	}
  12. 	return 0;
  13. }
  14.  
Success #stdin #stdout 0s 5280KB
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stdin
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Standard input is empty
stdout
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a[0]のアドレスは0x562abce99260
その中身は0.000000
a[1]のアドレスは0x562abce99268
その中身は0.100000
a[2]のアドレスは0x562abce99270
その中身は0.200000
a[3]のアドレスは0x562abce99278
その中身は0.300000
a[4]のアドレスは0x562abce99280
その中身は0.400000
https://ideone.com/kK3q2V
4/練習2
language:
C (gcc 8.3)
created:
2 days ago
visibility:
public

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