Code:
/* While running the program a runtime error occurs."glibc detected" followed by a lot of memory address/instruction errors. Please help rectify this error.*/
/*Header file:"nonpreemptive.h" is as follows:
#define C_OR_CPP 2 // Change value to 1 here if you are submitting a C solution for this problem.
// Change value to 2 here if you are submitting a C++ solution for this problem.
void dsmain();
#if C_OR_CPP == 1 // Don't change here
int* getWaitingTime(int* process, int* arrivalTime, int* burstTime, int nProcess);
#endif
#if C_OR_CPP == 2 // Don't change here
class NonPreemptive
{
public:
int* getWaitingTime(int* process, int* arrivalTime, int* burstTime, int nProcess);
};
#endif
*/
#include<iostream>
#include"nonpreemptive.h"
using namespace std;
NonPreemptive s1;
int* NonPreemptive::getWaitingTime(int* process, int* arrivalTime, int* burstTime, int nProcess)
{
if(arrivalTime[0]!=0)
{
return NULL;
}
int g=0,h=0;
for(g=0;g<nProcess;++g)
{
for(h=g+1;h<nProcess;++h)
{
if(arrivalTime[g]==arrivalTime[h])
{
return NULL;
}
if(arrivalTime[g]>arrivalTime[h])
{
return NULL;
}
if(burstTime[g]<0||burstTime[g]>10)
{
return NULL;
}
}
}
int done=0,min=0,CPU=0,x=0,i=0;
int* result;
result=new int;
while(done<nProcess)
{
min=20000;
for(i=0;i<nProcess;++i)
{
if(process[i]>0)
{
if(arrivalTime[i]<=CPU)
{
if(arrivalTime[i]+burstTime[i]<min)
{
min=arrivalTime[i]+burstTime[i];
x=i;
}
}
}
}
result[x]=CPU-arrivalTime[x];
CPU+=burstTime[x];
++done;
process[x]=-1;
}
return result;
}
int main()
{
{ int* output;
int nProcess = 7;
int* process = (int*)malloc(sizeof(int) * nProcess);
int* arrivalTime = (int*)malloc(sizeof(int) * nProcess);
int* burstTime = (int*)malloc(sizeof(int) * nProcess);
int proc[] = {1,2,3,4,5,6,7};
int aTime[] = {0,2,4,6,8,10,12};
int bTime[] = {6,2,5,4,1,3,5};
for(int i=0;i<nProcess;i++)
{
process[i] = proc[i];
arrivalTime[i] = aTime[i];
burstTime[i] = bTime[i];
}
output = s1.getWaitingTime(process, arrivalTime, burstTime, nProcess);
printf("\n");
if(output != NULL)
for(int i=0;i<nProcess;i++)
printf ("%d, ",output[i]);
else printf("NULL");
}
return(0);
}
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