#include <stdio.h>
 
int main() {
    int a[3] = {3, 2, 5};
    int s[3] = {0, 0, 0};
    int r = 0;
    int i;
    for(i = 1; i < 3; i++) {
        int t = s[r];                          // These 2 lines 
        while((a[i] < a[t]) && (r >= 0))       //
//        while((a[i] < a[s[r]]) && (r >= 0))  // instead of this line
        {
            r--;
        }
        printf("initialize s[%d] to %d\n", r+1, i);
        ++r;
        s[r] = i;
    }
    printf("%d\n", r);
    return 0;
}
 
 

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