#include <stdio.h>
#define SLICE 4
#define MAXT 25
int main(void) {
    char names[2] = {'A', 'B'};
    int rem[2] = {20, 5};
    int prio[2] = {2, 2};
    int used[2] = {0, 0};
    int arr[2] = {0, 12};
    printf("MLFQ sim: 3 levels, slice=%d\n", SLICE);
    printf("Gantt (A=long CPU, B=short arr@12):\n");
    for(int t=0; t<MAXT; t++) {
        int best=-1, bp=-1;
        for(int i=0; i<2; i++) {
            if(arr[i]<=t && rem[i]>0 && prio[i]>bp) {
                bp=prio[i];
                best=i;
            }
        }
        if(best<0) {
            putchar('.');
            continue;
        }
        putchar(names[best]);
        rem[best]--;
        used[best]++;
        if(used[best]>=SLICE) {
            if(prio[best]>0) prio[best]--;
            used[best]=0;
        }
    }
    printf("\n");
    printf("Final remaining A=%d B=%d\n", rem[0], rem[1]);
    return 0;
}