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Beecrowd-1184 - Below the Main Diagonal

c �� 2023-08-16 12:26:37

c

Problem: 1184 - Below the Main Diagonal

Solution: 

#include 
using namespace std;
int main()
{
    double matrix[12][12], l, sum=0.0;
    int  i, j, k=0;
    char a;
    cin>>a;
    for(i=0; i<12; i++)
    {
        for(j=0; j<12; j++)
            cin>>matrix[i][j];
    }
    switch(a)
    {
    case 'S':
        for(i=0; i<12; i++)
        {
            for(j=0; j<12; j++)
            {
                if(i>j)
                {
                    sum+=matrix[i][j];
                }
            }
        }
        printf("%.1lf
",sum);
        break;

    case 'M':
        for(i=0; i<12; i++)
        {
            for(j=0; j<12; j++)
            {
                if(i>j)
                {
                    sum+=matrix[i][j];
                    k++;
                }
            }
        }
        printf("%.1lf
",sum/k);
        break;
    }
    return 0;
}

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