arrays/twodim-array-4.c - En variation der afslører rækkenfølgen hvorefter elementerne besøges. | Lektion 9 - slide 23 : 30 Program 3 |
#include <stdio.h> int main(void) { int i, j, k; int sum1 = 0, sum2 = 0; int a[2][3] = {{1, 2, 3}, {4, 5, 6}}; for (i = 0; i < 2; i++) /* Revealing sequence of access */ for (j = 0; j < 3; j++){ printf("a[%1d,%1d] = %d\n", i, j, a[i][j]); sum1 += a[i][j]; } printf("\n\n"); for (k = 0; k < 2 * 3; k++){ /* Revealing sequence of access */ printf("Element %1d = %d\n", k, *(&a[0][0] + k)); sum2 += *(&a[0][0] + k); } printf("\n\n"); printf("First method: the sum is: %d\n", sum1); printf("Second method: The sum is: %d\n", sum2); return 0; }