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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. int i,a[]={3,5,2,4,1,9,7,6,0,8};
  5. int max=-1,maxi=-1;
  6. int second=-1,secondi=-1;
  7. double sum=0;
  8. for(i=0;i<10;i++){
  9. 	sum+=a[i];
  10. 	if(a[i]>max){
  11. 		second=max;
  12. 		secondi=maxi;
  13. 		max=a[i];
  14. 		maxi=i;
  15. 	}
  16. 	else if(a[i]>second){
  17. 		second=a[i];
  18. 		secondi=i;
  19. 	}
  20. }
  21. printf("最大値:%d(場所:a[%d])\n",max,maxi);
  22. printf("二番目に大きい値:%d(場所:a[%d])\n",second,secondi);
  23. printf("全要素の平均値:%.lf\n",sum/10.0);
  24. 	return 0;
  25. }
  26.  
Success #stdin #stdout 0.01s 5320KB
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stdin
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Standard input is empty
stdout
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最大値:9(場所:a[5])
二番目に大きい値:8(場所:a[9])
全要素の平均値:4
https://ideone.com/DXC69z
language:
C99 (gcc 8.3)
created:
4 days ago
visibility:
public

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