Question

Write a function declaration for a function that sums each row of a 2D array, where each row size is 10. The function does not return a result. IN C Program.

Answer 1

Here is the answer for your question in C Programming Language.

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CODE :

#include<stdio.h> //Declare size of row #define N 10 //Function prototype void sumRows(int[][N],int); void main(){    //Required variables and decleration    int m = 3,i,j;    int array[][N] = {{1,2,3,4,5,6,7,8,9,10},    {11,12,13,14,15,16,17,18,19,20},                    {21,22,23,24,25,26,27,28,29,30}};    //Prints given array                      printf("Given array of elements: \n");    printf("===========================\n");    for(i = 0;i < m;i++){              for(j = 0;j<N;j++){            printf("%d ",array[i][j]);        }        printf("\n");    }    printf("===========================\n");    //Calls method    sumRows(array,m); } //Implementation of sumRows that takes array and number of rows void sumRows(int array[][N],int M){    //Required variables    int sum,i,j;    //Loops through number of rows    for(i = 0;i < M;i++){        //Each time sets sum to 0        sum = 0;        //Loops through number of columns        for(j = 0;j<N;j++){            //Adds each column value of a row to sum            sum += array[i][j];        }        //Prints sum        printf("\Sum of all elements in row #%d is %d\n",(i+1),sum);    } }

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SCREENSHOTS :

Please see the screenshots of the code below for the indentations of the code.

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OUTPUT :

Any doubts regarding this can be explained with pleasure :)