Challenges OS

#include <stdio.h> void main() { int x, n, p[10], pp[10], pt[10], w[10], t[10], awt, atat, i; printf("Enter the number of process : "); scanf("%d",&n); printf("\n Enter process : time & priority \n"); for (i = 0; i < n ; i++) { printf("\nProcess no %d : ", i+1); scanf("%d %d", &pt[i], &pp[i]); p[i] = i + 1; } for (i = 0; i < n-1; i++) { for (int j = i + 1; j < n ; j++) { if (pp[i] < pp[j]) { x = pp[i]; pp[i] = pp[j]; pp[j] = x; x = pt[i]; pt[i] = pt[j]; pt[j] = x; x = p[i]; p[i] = p[j]; p[j] = x; } } } w[0] = 0; awt = 0; t[0] = pt[0]; atat = t[0]; for(i=1;i<n;i++) { w[i] = t[i-1]; awt += w[i]; t[i] = w[i] + pt[i]; atat += t[i]; } printf("\n\n Job \t Burst Time \t Wait Time \t Turn Around Time Priority \n"); for(i = 0; i<n ; i++) printf("\n %d \t\t %d \t\t %d \t\t %d \t\t %d \n", p[i], pt[i], w[i], t[i], pp[i]); awt/=n; atat/=n; printf("\n Average Wait Time : %d \n", awt); printf("\n Average Turn Around Time : %d \n", atat); }