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  1. #include<stdlib.h>
  2. #include<stdio.h>
  3. #include<math.h>
  4.  
  5. int main()
  6. {
  7.     int a,query,in,n,b[20]={0}, sum[20]={0};
  8.     //sum[]=0;
  9.     scanf("%d",&query);
  10.  
  11.     for(a=0;a<query;a++)
  12.     {
  13.         scanf("%d",&in);
  14.         for(n=0;n<in;n++)
  15.         {
  16.             //b[n]=1+7*(n-1)+6*(n-1)*(n-2)+(n-1)*(n-2)*(n-3);
  17.             b[n]=1+7*(n)+6*(n)*(n-1)+(n)*(n-1)*(n-2);
  18.             sum[a]=sum[a]+b[n];
  19.         }
  20.     }
  21.  
  22.     for(a=0;a<query;a++)
  23.     {
  24.         printf("%d\n",sum[a]);
  25.     }
  26.     return 0;
  27. }
  28.  
Success #stdin #stdout 0s 9432KB
comments (?)
stdin 
2
2
5
stdout 
9
225
https://ideone.com/lBRoiX
language:
C (gcc 8.3)
created:
8 years ago
visibility:
public

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