for c coding: what would code would we have to input for it to be 4 grades (instead of 3)

so the same question with the same output style as the first question but instead of 3 it's 4.

Example 2: #include float min(float a, float b, float c); int main(void){ float i, j, k; //grades printf("Enter grades: "); scanf("%f%f%f", &i, &j, &); printf("Lowest grade = %.2f ", min(i, j, k)); return 0; } float min(float a, float b, float c){ if(a