Algorithm

 problem Link ;  https://www.codechef.com/problems/BMI 

Problem

Read problems statements in Hindi, Mandarin Chinese, Vietnamese, and Bengali as well.

You are given the height � (in metres) and mass � (in kilograms) of Chef. The Body Mass Index (BMI) of a person is computed as ��2.

Report the category into which Chef falls, based on his BMI:

  • Category 1: Underweight if BMI ≤18
  • Category 2: Normal weight if BMI ∈{19, 20,…, 24}
  • Category 3: Overweight if BMI ∈{25, 26,…, 29}
  • Category 4: Obesity if BMI ≥30

###Input:

  • The first line of input will contain an integer, �, which denotes the number of testcases. Then the testcases follow.
  • Each testcase contains a single line of input, with two space separated integers, �,�, which denote the mass and height of Chef respectively.

###Output: For each testcase, output in a single line, 1,2,3 or 4, based on the category in which Chef falls.

###Constraints

  • 1≤�≤2∗104
  • 1≤�≤104
  • 1≤�≤102
  • Its guaranteed that �2 divides �.

Sample 1:

Input
 
Output
 
3
72 2
80 2
120 2
1
2
4

Explanation:

Case 1: Since ��2=7222=18, therefore person falls in category 1.

Case 2: Since ��2=8022=20, therefore person falls in category 2.

Case 3: Since ��2=12022=30, therefore person falls in category 4.

 

Code Examples

#1 Code Example with C Programming

Code - C Programming

 #include<stdio.h>
int main()
{
    int h,m,t,bmi;
    scanf("%d",&t);
    while(t--)
    {
        scanf("%d %d",&m,&h);
        bmi=(m/(h*h));
        if(bmi < =18 && bmi>0) printf("1\n");
        else if(bmi<=24) printf("2\n");
        else if(bmi < =29) printf("3\n">;
        else if(bmi>=30) printf("4\n");
    }
}
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Input

x
–
+
cmd
3
72 2
80 2
120 2

Output

x
–
+
cmd
1
2
4
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Demonstration

CodeChef solution BMI  - Body Mass Index Codechef solution in C,C++

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