SJS.cpp

#include<iostream> 
using namespace std; 
int mat[10][6]; 
  
void swap(int *a, int *b) 
{ 
    int temp = *a; 
    *a = *b; 
    *b = temp; 
} 
  
void arrangeArrival(int num, int mat[][6]) 
{ 
    for(int i=0; i<num; i++) 
    { 
        for(int j=0; j<num-i-1; j++) 
        { 
            if(mat[j][1] > mat[j+1][1]) 
            { 
                for(int k=0; k<5; k++) 
                { 
                    swap(mat[j][k], mat[j+1][k]); 
                } 
            } 
        } 
    } 
} 
  
void completionTime(int num, int mat[][6]) 
{ 
    int temp, val; 
    mat[0][3] = mat[0][1] + mat[0][2]; 
    mat[0][5] = mat[0][3] - mat[0][1]; 
    mat[0][4] = mat[0][5] - mat[0][2]; 
      
    for(int i=1; i<num; i++) 
    { 
        temp = mat[i-1][3]; 
        int low = mat[i][2]; 
        for(int j=i; j<num; j++) 
        { 
            if(temp >= mat[j][1] && low >= mat[j][2]) 
            { 
                low = mat[j][2]; 
                val = j; 
            } 
        } 
        mat[val][3] = temp + mat[val][2]; 
        mat[val][5] = mat[val][3] - mat[val][1]; 
        mat[val][4] = mat[val][5] - mat[val][2]; 
        for(int k=0; k<6; k++) 
        { 
            swap(mat[val][k], mat[i][k]); 
        } 
    } 
} 
  
int main() 
{ 
    int num, temp; 
      
    cout<<"Enter number of Process: "; 
    cin>>num; 
      
    cout<<"...Enter the process ID...\n"; 
    for(int i=0; i<num; i++) 
    { 
        cout<<"...Process "<<i+1<<"...\n"; 
        cout<<"Enter Process Id: "; 
        cin>>mat[i][0]; 
        cout<<"Enter Arrival Time: "; 
        cin>>mat[i][1]; 
        cout<<"Enter Burst Time: "; 
        cin>>mat[i][2]; 
    } 
      
    cout<<"Before Arrange...\n"; 
    cout<<"Process ID\tArrival Time\tBurst Time\n"; 
    for(int i=0; i<num; i++) 
    { 
        cout<<mat[i][0]<<"\t\t"<<mat[i][1]<<"\t\t"<<mat[i][2]<<"\n"; 
    } 
      
    arrangeArrival(num, mat); 
    completionTime(num, mat); 
    cout<<"Final Result...\n"; 
    cout<<"Process ID\tArrival Time\tBurst Time\tWaiting Time\tTurnaround Time\n"; 
    for(int i=0; i<num; i++) 
    { 
        cout<<mat[i][0]<<"\t\t"<<mat[i][1]<<"\t\t"<<mat[i][2]<<"\t\t"<<mat[i][4]<<"\t\t"<<mat[i][5]<<"\n"; 
    } 
}