#include<stdio.h>
#include<stdlib.h>



float ** initialize(int, int, float);

float ** initialize(int n, int m, float v) {
    int i, j;
    if (n < 0 || m < 0) return NULL;

    float **matriz;
    matriz = (float **) malloc(n*sizeof(float*));
    printf("%zu bytes\n", n*sizeof(float*));
    for (i = 0 ; i < n ; i++) {
        matriz[i] = (float *) malloc(m*sizeof(float));
    }

    for (i = 0; i < n; i++) {
        for (j =0; j < m; j++) {
            matriz[i][j] = v;
        }
    }
    return matriz;
}

int main() {
    int n, m, i, j;
    float v;
    scanf("%d %d %f", &n, &m, &v);
    float **variable;
        
    variable = initialize(n, m, v);
    if (variable == NULL) {
        printf("Error: Not enough memory!!!\n");
    }

    for (i = 0; i < n; i++) {
        for (j =0; j < m; j++) {
            printf("%f ", variable[i][j]);
        }
        printf("\n");
    }

    for (i=0; i < n; i++) {
        free(variable[i]);
    }
    free(variable);

    return 0;
}