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  1. #include <stdio.h>
  2.  
  3. void swap(int *x,int *y){
  4. 	int z=*x;
  5. 	*x=*y;
  6. 	*y=z;
  7. }
  8.  
  9. int main(){
  10. 	int data1[5]={1,2,3,4,5};
  11. 	int data2[5]={6,7,8,9,10};
  12. 	printf("変更前\n");
  13. 	for(int i=0;i<5;i++){
  14. 		printf("data1[%d]=%d data2[%d]=%d\n",i,data1[i],i,data2[i]);
  15. 	}
  16.  
  17. 	printf("変更後\n");
  18. 	for(int i=0;i<5;i++){
  19. 		swap(&data1[i],&data2[i]);
  20. 		printf("data1[%d]=%d data2[%d]=%d\n",i,data1[i],i,data2[i]);
  21. 	}
  22.  
  23. 	return 0;
  24. }
  25.  
  26.  
Success #stdin #stdout 0.01s 5280KB
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stdin
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Standard input is empty
stdout
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変更前
data1[0]=1 data2[0]=6
data1[1]=2 data2[1]=7
data1[2]=3 data2[2]=8
data1[3]=4 data2[3]=9
data1[4]=5 data2[4]=10
変更後
data1[0]=6 data2[0]=1
data1[1]=7 data2[1]=2
data1[2]=8 data2[2]=3
data1[3]=9 data2[3]=4
data1[4]=10 data2[4]=5
https://ideone.com/qdObIv
language:
C (gcc 8.3)
created:
28 days ago
visibility:
public

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