PGM 7.txt

#include<stdio.h>
#define n 4

int compltedPhilo = 0,i;

struct fork{
    int taken;
}ForkAvil[n];

struct philosp{
    int left;
    int right;
}Philostatus[n];

void goForDinner(int philID){
    if(Philostatus[philID].left==10 && Philostatus[philID].right==10)
        printf("Philosopher %d completed his dinner\n",philID+1);
    else if(Philostatus[philID].left==1 && Philostatus[philID].right==1){
            printf("Philosopher %d completed his dinner\n",philID+1);

            Philostatus[philID].left = Philostatus[philID].right = 10;
            int otherFork = philID-1;

            if(otherFork== -1)
                otherFork=(n-1);

            ForkAvil[philID].taken = ForkAvil[otherFork].taken = 0;
            printf("Philosopher %d released fork %d and fork %d\n",philID+1,philID+1,otherFork+1);
            compltedPhilo++;
        }
        else if(Philostatus[philID].left==1 && Philostatus[philID].right==0){
                if(philID==(n-1)){
                    if(ForkAvil[philID].taken==0){
                        ForkAvil[philID].taken = Philostatus[philID].right = 1;
                        printf("Fork %d taken by philosopher %d\n",philID+1,philID+1);
                    }else{
                        printf("Philosopher %d is waiting for fork %d\n",philID+1,philID+1);
                    }
                }else{
                    int dupphilID = philID;
                    philID-=1;

                    if(philID== -1)
                        philID=(n-1);

                    if(ForkAvil[philID].taken == 0){
                        ForkAvil[philID].taken = Philostatus[dupphilID].right = 1;
                        printf("Fork %d taken by Philosopher %d\n",philID+1,dupphilID+1);
                    }else{
                        printf("Philosopher %d is waiting for Fork %d\n",dupphilID+1,philID+1);
                    }
                }
            }
            else if(Philostatus[philID].left==0){
                    if(philID==(n-1)){
                        if(ForkAvil[philID-1].taken==0){
                            ForkAvil[philID-1].taken = Philostatus[philID].left = 1;
                            printf("Fork %d taken by philosopher %d\n",philID,philID+1);
                        }else{
                            printf("Philosopher %d is waiting for fork %d\n",philID+1,philID);
                        }
                    }else{
                        if(ForkAvil[philID].taken == 0){
                            ForkAvil[philID].taken = Philostatus[philID].left = 1;
                            printf("Fork %d taken by Philosopher %d\n",philID+1,philID+1);
                        }else{
                            printf("Philosopher %d is waiting for Fork %d\n",philID+1,philID+1);
                        }
                    }
        }else{}
}

void main(){
    for(i=0;i<n;i++)
        ForkAvil[i].taken=Philostatus[i].left=Philostatus[i].right=0;

    while(compltedPhilo<n){
        for(i=0;i<n;i++)
            goForDinner(i);
        printf("\nTill now num of philosophers completed dinner are %d\n\n",compltedPhilo);
    }
}