AcWing 607. Average 2 (implemented in C language)

Read three floating point numbers A,B and C  Value , Corresponding to the scores of three students .

Please calculate the average score of students , among A  The weight of the score is 2,B  The weight of the score is 3,C The weight of the score is 5.

The value range of grades is 0 To 10  Between , And keep one decimal place .

Input format

There are three lines of input , Each row contains a floating point number , The first line means A, The second line says B, The third line says C.

Output format

The output format is MEDIA = X, among X  Is the average score , The result is one decimal place .

Data range

0≤A,B,C≤10.0

#include<stdio.h>
int main()
{
    float A,B,C,sum;
    scanf("%f%f%f",&A,&B,&C);
    sum=(A*2+B*3+C*5)/10.0;
    printf("MEDIA = %.1f",sum);
    return 0;
}