/*
 * Matrix vector multiplication : assignment 11
 */
#include <stdio.h>
#define MAXROW 50
#define MAXCOL 50
void readMatrix( int x[][MAXCOL], int r, int c) {
     int i, j ;

     for(i = 0; i < r; ++i)
         for(j = 0; j < c; ++j)
             scanf("%d", &x[i][j]); 
}

void printMatrix( int x[][MAXCOL], int r, int c) {
     int i, j ;
     for(i = 0; i < r; ++i) {
         for(j = 0; j < c; ++j)
             printf("%d ", x[i][j]);
         printf("\n") ;
     } 
}

void readVector( int v[], int r) {
     int i ;

     for(i = 0; i < r; ++i)
             scanf("%d", &v[i]); 
}

void printVector( int v[], int r) {
     int i ;

     for(i = 0; i < r; ++i)
             printf("%d ", v[i]);
     putchar('\n'); 
}

void matVectMult(int x[][MAXCOL], int r, int c, int v[], int p[]){
     int i, j ;

     for(i = 0; i < r; ++i) {
         p[i] = 0;
         for(j = 0; j < c; ++j) 
             p[i] += x[i][j]*v[j];
     }
}


int main() // 
{
    int x[MAXROW][MAXCOL], 
        v[MAXCOL],
        p[MAXROW];
    int r, c;

    printf("Enter the row and column numbers of A:\n");
    scanf("%d%d", &r, &c); 
    printf("Enter the %d X %d matrix\n", r, c);
    readMatrix(x, r, c);
    printf("The input matrix is:\n");
    printMatrix(x, r, c);
    printf("Enter the %d-dimension vector\n", c);
    readVector(v, c);
    printf("The input vector is:\n");
    printVector(v, c);
    matVectMult(x, r, c, v, p);
    printf("The product vector is:\n");
    printVector(p, r);

    return 0;
}