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  1. #include <stdio.h>
  2. main()
  3. {
  4. int A[5], B[5], C = 0;
  5. int i;
  6. for (i = 0; i < 5; i++)
  7. scanf("%d", &(A[i]));
  8. for (i = 0; i < 5; i++)
  9. scanf("%d", &(B[i]));
  10. for (i = 0; i < 5; i++)
  11. C += A[i] * B[i];
  12. printf("%d\n", C);
  13. return 0;
  14. }
  15.  
Success #stdin #stdout 0s 5288KB
stdin
1 2 3 4 5 
5 4 3 2 1
stdout
35