C Programming – HackerRank Solution | Maximum sum 16 |

(HackerRank) Write a Modular C Programming code to solve Maximum sum 16, Given a matrix of order R * C, display all the column numbers that have the maximum sum

Given a matrix of order R * C, display all the column numbers that have a maximum sum

Input Format

The first line contains two integers R and C, the order of the matrix separated by a space.

The next line contains R * C integers separated by a space

Constraints

1<= R,C<=100

Output Format

In one display all the column numbers in each line that have maximum sum

Note: Column number starts from zero.

Sample Input 0

0 5

Sample Output 0

Invalid

Sample Input 1

3 3
2 2 3 9 5 6 7 8 9

Sample Output 1

0
2

Explanation 1

Sum of 0th Col = 18
Sum of 1st Col = 15 
Sum of 2nd Col = 18

Refer : C Programming HackerRank all solutions for Loops | Arrays | strings | Data Structures | Linked lists | Stacks | Queues | Binary Trees

 

CODE:

#include<stdio.h>
#include<stdlib.h>
#include<string.h>
#include<math.h>

int main() {
    int r,c;
    scanf("%d%d",&r,&c);
    if(r>1 && c>1)
    {
    int num[r][c],i,j,colsum[c];
    for(i=0;i<r;i++)
    {
        for(j=0;j<c;j++)
        {
            scanf("%d",&num[i][j]);
        }
    }
    for(i=0;i<c;i++)
    {
        colsum[i]=0;
        for(j=0;j<r;j++)
        {
            colsum[i]+=num[j][i];
        }
    }
    int max=colsum[0];
    for(i=0;i<c;i++)
    {
        if(max<colsum[i])
            max=colsum[i];
    }
    for(i=0;i<c;i++)
    {
        if(max==colsum[i])
            printf("%d\n",i);
    }
}
    else{
        printf("Invalid");
    }
    return 0;
}

}

OUTPUT

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Click the Submit Code button to run your code against all the test cases.

Input (stdin)

0 5
Your Output (stdout)

Invalid
Expected Output

Invalid

 

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