sparse matric (DSA)

#include<stdio.h>

typedef struct matrix
{
int row;
int col;
int val;
}matrix;
void cpynz(int row, int col, int matrices[50][50], matrix sparseA[100])
{
int i, j, k = 1; // nzelem = 0;

sparseA[0].row = row;
sparseA[0].col = col;

for (i = 0; i < row; i++)
{
    for (j = 0; j < col; j++)
    {
        if (matrices[i][j] != 0)
        {
            sparseA[k].row = i+1;
            sparseA[k].col = j+1;
            sparseA[k].val = matrices[i][j];
            k++;
        }
    }
}

sparseA[0].val = k - 1;

}

void transpose(int totalrows , int totalcols , matrix sparseA[50] , matrix transp[50])
{
transp[0].row = sparseA[0].col;
transp[0].col = sparseA[0].row;
transp[0].val = sparseA[0].val;

int count=sparseA[0].val;

int i;
int rowterm[50];
int startingindex[50];
for (i = 0; i < sparseA[0].col; i++)
{
    rowterm[i] = 0;
}

int colno;
for ( i = 1; i <=count; i++)
{
    colno = sparseA[i].col;
    rowterm[colno]++;

}

startingindex[0] = 1;
for ( i = 1; i < sparseA[0].col; i++)
{
    startingindex[i] = startingindex[i-1] + rowterm[i-1];

}

for ( i = 1; i <=count; i++)
{
    colno = sparseA[i].col;
    int n = startingindex[colno];

    transp[n].row = sparseA[i].col;
    transp[n].col = sparseA[i].row;
    transp[n].val = sparseA[i].val;

    startingindex[colno]++;
} 

}

void display( matrix transp[50])
{
int i;
printf("row col val\n");
for (i = 0; i <= transp[0].val; i++)
{
printf("%d%5d%5d\n", transp[i].row, transp[i].col, transp[i].val);
}
}
int main(){
int totalrows;
int totalcols;
int matrices[50][50];
matrix sparseA[50] , transp[50];

printf("Enter the total rows of the matrix : ");
scanf("%d", &totalrows);
printf("Enter the total columns of the matrix : ");
scanf("%d",&totalcols);

int i,j;
for (i = 0; i < totalrows; i++)
{
    for (j = 0; j < totalcols; j++)
    {
        printf("enter the element at (%d , %d) position = ", i+1, j+1 );
        scanf("%d", &matrices[i][j]);
    }
}

cpynz(totalrows , totalcols , matrices, sparseA);
transpose(totalrows, totalcols, sparseA, transp);
display(transp);

return 0;

}