how to read random number of int in array

Question

i want to read space separated integer into an array and when i press enter it should stop reading at any point of time, how to implement loop for this prog

Answer 1

Method 1: Use the return value of scanf() and enter a character once done(Your question doesn't need this as reading till newline will not work but this is one of the ways)

int d;
while(scanf("%d",&d) == 1)
{
   arr[i] = d;
   i++;
}

Method 2: Use fgets() the read the line and parse the line using strok() and atoi() as shown

char arr[100];
    fgets(arr,sizeof(arr),stdin);

    char *p =strtok(arr, " ");

    while(p != NULL)
    {
       int d = atoi(p);
       arr[i++] = d;
       p = strtok(NULL," ");
    }