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write a program to print sum of each row of a 2D array.
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Answer / poornima
int b[20];
int main()
{
int a[20][20],row,col,i,j;
printf("Row & col : ");
scanf("%d %d",&row,&col);
printf("\nEnter elements : ");
for(i=0;i<row;i++)
{
for(j=0;j<col;j++)
{
scanf("%d",&a[i][j]);
}
}
printf("\nElements are\n");
for(i=0;i<row;i++)
{
for(j=0;j<col;j++)
{
printf("%d\t",a[i][j]);
}
printf("\n");
}
for(i=0;i<row;i++)
{
for(j=0;j<col;j++)
{
b[i] +=a[i][j];
}
}
for(i=0;i<row;i++)
{
printf("Sum of row %d is %d\n",(i+1),b[i]);
}
return 0;
}
| Is This Answer Correct ? | 43 Yes | 35 No |
Answer / khurshid alam
#include<stdio.h>
int main()
{
int a[3][3]={{2,5},{7,8},{1,1}};
int b[3][3]={{5,6},{9,3},{1,1}},i,j,*m,*n,s=0;
n=&a[j][i];
m=&b[j][i];
for(i=0;i<=2;i++)
{
for(j=0;j<=2;j++)
{
s+=a[i][j]+b[i][j];
}
}
printf("Sum :%d",s);
return 0;
}
| Is This Answer Correct ? | 5 Yes | 2 No |
Answer / mark
/*
* C Program to find sum of each row and column of matrix
*/
#include <stdio.h>
#include <conio.h>
int main(){
int rows, cols, rowCounter, colCounter;
int inputMatrix[50][50], rowSum[50] = {0};
printf("Enter size of a matrix
");
scanf("%d %d", &rows, &cols);
printf("Enter matrix of size %dX%d
", rows, cols);
/* Input matrix */
for(rowCounter = 0; rowCounter < rows; rowCounter++){
for(colCounter = 0; colCounter < cols; colCounter++){
scanf("%d", &inputMatrix[rowCounter][colCounter]);
}
}
/* Calculate sum of each row and column */
for(rowCounter = 0; rowCounter < rows; rowCounter++){
for(colCounter = 0; colCounter < cols; colCounter++){
/* Add this element in it's row sum */
rowSum[rowCounter] += inputMatrix[rowCounter][colCounter];
}
}
/* Print rows sum */
for(rowCounter = 0; rowCounter < rows; rowCounter++){
printf("Sum of row number %d is %d
",
rowCounter, rowSum[rowCounter]);
}
getch();
return 0;
}
Source : http://www.techcrashcourse.com/2015/03/c-program-sum-each-row-and-column.html
| Is This Answer Correct ? | 2 Yes | 0 No |
Answer / vignesh1988i
first ordinary logic.
LOGIC 1
#include<stdio.h>
#include<conio.h>
void main()
{
int a[50][50],k,row,column;
printf("enter the number of rows and columns of 2D array :");
scanf("%d%d",&row,&column);
for(int i=0;i<row;i++)
{
for(int q=0;q<column;q++)
{
scanf("%d",&a[i][q]);
}
}
for(i=0;i<row;i++)
{
k=0;
for(q=0;q<column;q++)
{
k=k+a[i][q];
}
printf("%d\n",k);
}
getch();
}
| Is This Answer Correct ? | 20 Yes | 32 No |
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