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  1. #include <stdio.h>
  2. int main()
  3. {
  4.    float  score[4][3],ave[3],average,sum;
  5.    int i,j;
  6.    printf("Please input score:\n");
  7.    for(i=0;i<3;i++)
  8.    {
  9.      sum=0;
  10. 	 for(j=0;j<4;j++)
  11. 	 {
  12. 		 scanf("%f",&score[j][i]);
  13. 		 sum=sum+score[j][i];
  14. 	 }
  15. 	 ave[i]=sum/4;
  16.    }
  17.    average=(ave[0]+ave[1]+ave[2])/3;
  18.    printf("math:%f\n c language:%f\n english:%f\n",ave[0],ave[1],ave[2]);
  19.    printf("total average:%f\n",average);
  20.    return 0;
  21. }
Success #stdin #stdout 0.01s 5288KB
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stdin
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Standard input is empty
stdout
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Please input score:
math:11727242845487104.000000
 c language:3118778626635899368112128.000000
 english:0.000000
total average:1039592851526101776728064.000000
https://ideone.com/KETc3L
language:
C (gcc 8.3)
created:
5 days ago
visibility:
public

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