Code:
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 31 32 33 34 35 | #include <stdio.h>
#include <stdlib.h> //Dung ham calloc
int main(int argc, char **argv)
{
int m, n; //Kich thuoc hang va cot
printf("Nhap m va n: ");
scanf("%d %d", &m, &n);
// Cap phat bo nho cho mang 2 chieu
int i, j;
double** a = (double**)calloc(m, sizeof(double));
for (i = 0; i < m; ++i)
a[i] = (double*)calloc(n, sizeof(double));
// Nhap cac phan tu cho mang 2 chieu
for (i = 0; i < m; ++i)
for (j = 0; j < n; ++j)
{
printf("a[%d][%d] = ", i, j);
scanf("%lf", &a[i][j]);
}
// In ra cac phan tu trong mang
for (i = 0; i < m; ++i)
for (j = 0; j < n; ++j)
printf("%lf ", a[i][j]);
// Tinh toan xong thi giai phong bo nho
for (i = 0; i < m; ++i)
free(a[i]);
free(a);
return 0;
}
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