행렬의 합(정적)

#include <stdio.h>
void readMatrix(int a[][3]);
void matrixAdd(int a[][3], int b[][3], int x[][3]);
void printMatrix(int a[][3]);
int main(void)
{
    int a[3][3], b[3][3], sum[3][3];
 
    printf("(3 X 3) 행렬 A 입력: \n");
    readMatrix(a);
    //printMatrix(a);
 
    printf("(3 X 3) 행렬 B 입력: \n");
    readMatrix(b);
    //printMatrix(b);
 
    printf("행렬합: \n");
    matrixAdd(a, b, sum);
    printMatrix(sum);
}
 
void readMatrix(int a[][3])
{
    int i, j;
 
    for (i = 0; i < 3; i++)
        for (j = 0; j < 3; j++)
            scanf("%d", &a[i][j]);
}
void matrixAdd(int a[][3], int b[][3], int x[][3])
{
    int i, j;
 
    for (i = 0; i < 3; i++)
        for (j = 0; j < 3; j++)
            x[i][j] = a[i][j] + b[i][j];
}
void printMatrix(int a[][3])
{
    int i, j;
 
    for (i = 0; i < 3; i++)
    {
        for (j = 0; j < 3; j++)
            printf("%d ", a[i][j]);
 
        printf("\n");
    }
}

 

결과: