C Programming Code Examples C > Arrays and Matrices Code Examples C Programming Allocate memory for int array C Programming Allocate memory for int array #include <stdio.h> #include <malloc.h> main() { int *base; int x; int y; int cnt=0; int sum=0; printf("how many integers you have to store \n"); scanf("%d",&cnt); base = (int *)malloc(cnt * sizeof(int)); printf("the base of allocation is %16lu \n",base); if(!base) printf("unable to allocate size \n"); else { for(y = 0; y < cnt; y++) *(base+y)=5; } sum = 0; for(y = 0; y < cnt; y++) sum = sum + *(base+y); printf("total sum is %d\n",sum); free(base); printf("addr of allocation is %16lu \n",base); base = (int *)malloc(cnt * sizeof(int)); printf("the base of allocation is %16lu \n",base); base = (int *)malloc(cnt * sizeof(int)); printf("the base of allocation is %16lu \n",base); base = (int *)calloc(10,2); printf("the base of allocation is %16lu \n",base); }
