Bài tập lớn NLHĐH pptx

Bài tập lớn NLHĐH
#include<iostream.h>
#include<math.h>
#include<conio.h>
#include<graphics.h>
#include<stdlib.h>
#include<string.h>
#include<alloc.h>
#include<stdio.h>
int *tentt,*ten; //tentt: ten cac tt nhap vao, ten: danh sach ten tt xuat ra
unsigned int *txh,*tth,*moctg,*daxh; //txh,tth:thoi gian xh va th cau tien trinh.
daxh:danh dau tien trinh da xh trong hang doi
int n,m; //n:so tien trinh,m:so o duoc ve
//HAM NHAP DU LIEU
void nhapdl()
{
cout<<"So tien trinh: "; cin>>n;
tentt=(int*)malloc(n*sizeof (int));
txh=(unsigned int*)malloc(n*sizeof (int));
tth=(unsigned int*)malloc(n*sizeof (int));
daxh=(unsigned int*)malloc(n*sizeof (int));
gotoxy(35,4);
cout<<"TEN TIEN TRINH";
gotoxy(51,4);
cout<<"TG XUAT HIEN";
gotoxy(65,4);
cout<<"TG THUC HIEN";
for(int i=0;i<n;i++)
{
gotoxy(35,5+i);
cout<<" P "<<(i+1);

tentt[i]=i+1;
}
for(i=0;i<n;i++)
{
gotoxy(51,5+i);
cin>>txh[i];
gotoxy(65,5+i);
cin>>tth[i];
}
}
//HAM SAP XEP LAI TIEN TRINH THEO THOI GIAN XUAT HIEN
void quick_sort(int l,int r)
{
int t,tg;
if(l<r)
{
t=txh[(l+r)/2];
int i=l,j=r;
while(i<=j)
{
while(txh[i]<t) i++;
while(txh[j]>t) j ;
if(i<=j)
{
tg=txh[i]; txh[i]=txh[j]; txh[j]=tg;
tg=tentt[i]; tentt[i]=tentt[j];tentt[j]=tg;
tg=tth[i]; tth[i]=tth[j]; tth[j]=tg;
i++;j ;
}
}

quick_sort(l,j);
quick_sort(i,r);
}
}
//HAM THUC HIEN THUAT TOAN FCFS
void FCFS(int &m)
{
//Dinh dang kieu chu cho ham outtextxy
settextstyle(1,0,1);
settextjustify(1,1);
outtextxy(320,80,"Thuat toan FCFS");
int k=-99;
m=n;
ten=(int*)malloc(n*sizeof(int));
for(int i=0;i<n;i++)
ten[i]=tentt[i];
int d1=0,d2=0;
moctg=(unsigned int*)malloc(1*sizeof(int));
moctg[0]=0;
while(d2<n) //Trong khi cac con tien trinh chua xuat hien
{
moctg=(unsigned int*)realloc(moctg,(d1+2)*sizeof(int));
if(moctg[d1]<txh[d2])
{
m++;
ten=(int*)realloc(ten,m*sizeof(int));
moctg[d1+1]=txh[d2];
for(int i=m-1;i>=d1;i )
ten[i+1]=ten[i];
ten[d1]=k;

}
else
{
moctg[d1+1]=moctg[d1]+tth[d2];
d2++;
}
d1++;
}
}
//HAM THUC HIEN CUA THUAT TOAN SJF
void thSJF(int *hangdoi, int &xh,int &so,unsigned int *tthhd,unsigned int *tconlai,int
&m)
{
if(so>0 || xh<n)
{
//Lap hang doi
for(int i=0;i<n;i++)
if(txh[i]<=moctg[m] && daxh[i]==0)
{
so++; xh++; daxh[i]=1;
hangdoi[so-1]=tentt[i];
tthhd[so-1]=tth[i];
tconlai[so-1]=tth[i];
}
//Sap xep lai hang doi theo thoi gian thuc hien
int tg;
if(so>1)
{
for(int i=0;i<n;i++)
for(int j=i+1;j<n;j++)

if(tthhd[j]>=tthhd[i])
{
tg=hangdoi[i]; hangdoi[i]=hangdoi[j]; hangdoi[j]=tg;
tg=tthhd[i]; tthhd[i]=tthhd[j]; tthhd[j]=tg;
tg=tconlai[i]; tconlai[i]=tconlai[j]; tconlai[j]=tg;
}
}
ten=(int*)realloc(ten,(m+1)*sizeof(int));
moctg=(unsigned int*)realloc(moctg,(m+2)*sizeof(int));
if(so==0) //Thuc hien khi so phan tu hang doi bang 0
{
ten[m]=-99; moctg[m+1]=txh[xh]; m++; //tao mot o trong
}
else //Thuc hien khi so pha tu hang doi khac 0
{
if(so>0)
{
ten[m]=hangdoi[so-1]; //Dua phan tu o dau hang doi vao thuc hien
moctg[m+1]=moctg[m]+tconlai[so-1];
m++;
for(int i=0;i<n;i++) //KT xem co tien trinh nao xuat hien va ngat duoc tien trinh dang
thuc hien hay khong
if(txh[i]<moctg[m] && daxh[i]==0 && tth[i]<tthhd[so-1])
{
moctg[m]=txh[i];
tconlai[so-1]-=moctg[m]-moctg[m-1];
i=n+1; //Neu co tien trinh ngat -> dung tien trinh dang thuc hien
}
if(i==n) so ; //Neu khong co tien trinh ngat -> thuc hien xong tt dang th -> loai bo
khoi hang doi

}
}
if(so>0 || xh<n) //Neu hang doi con phan tu hoac con co pha tu chua xuat hien
thSJF(hangdoi,xh,so,tthhd,tconlai,m); //Thuc hien lai voi hang doi theo de quy
}
}
//HAM THUC HIEN THUAT TOAN SJF
void SJF(int &m)
{
settextstyle(1,0,1);
settextjustify(1,1);
outtextxy(320,80,"Thuat toan SJF");
unsigned int *tthhd,*tconlai;
int *hangdoi,so=0,xh=0;
ten=(int*)calloc(m+1,sizeof(int));
moctg=(unsigned int*)calloc(m+2,sizeof(int));
hangdoi=(int*)calloc(n,sizeof(int));
tthhd=(unsigned int*)calloc(n,sizeof(int));
tconlai=(unsigned int*)calloc(n,sizeof(int));
m=0;
moctg[0]=0; //Gan moc thoi gian dau tien bang 0
for(int i=0;i<n;i++) //Gan moi tien trinh deu o trang thai chua xuat hien trong hang doi
daxh[i]=0;
//Goi ham thuc hien cua SJF
thSJF(hangdoi,xh,so,tthhd,tconlai,m);
//outtextxy(640,480,"Xong RR ");;
}
//Ham thuc hien cua SRT (Chi khac SJF o cho kiem tra tien trinh chen ngang khi co
tien trinh dang thuc hien)
void thSRT(int *hangdoi, int &xh,int &so,unsigned int *tthhd,unsigned int

*tconlai,int &m)
{
if(so>0 || xh<n)
{
//Lap hang doi
for(int i=0;i<n;i++)
if(txh[i]<=moctg[m] && daxh[i]==0)
{
so++; xh++; daxh[i]=1;
hangdoi[so-1]=tentt[i];
tthhd[so-1]=tth[i];
tconlai[so-1]=tth[i];
}
//Sap xep lai hang doi
int tg;
if(so>1)
{
for(int i=0;i<n;i++)
for(int j=i+1;j<n;j++)
if(tconlai[j]>=tconlai[i])
{
tg=hangdoi[i]; hangdoi[i]=hangdoi[j]; hangdoi[j]=tg;
tg=tthhd[i]; tthhd[i]=tthhd[j]; tthhd[j]=tg;
tg=tconlai[i]; tconlai[i]=tconlai[j]; tconlai[j]=tg;
}
}
ten=(int*)realloc(ten,(m+1)*sizeof(int));
moctg=(unsigned int*)realloc(moctg,(m+2)*sizeof(int));
if(so==0)
{

ten[m]=-99; moctg[m+1]=txh[xh]; m++;
}
else
{
if(so>0)
{
ten[m]=hangdoi[so-1];
moctg[m+1]=moctg[m]+tconlai[so-1];
m++; int tam;
for(int i=0;i<n;i++)
if(txh[i]<moctg[m] && daxh[i]==0)
{
tam=tconlai[so-1]-(txh[i]-moctg[m-1]);
if(tth[i]<tam)
{
moctg[m]=txh[i];
tconlai[so-1]=tam;
i=n+1;
}
}
if(i==n) so ;
}
}
if(so>0 || xh<n)
thSRT(hangdoi,xh,so,tthhd,tconlai,m);
}
}
//HAM THUC HIEN THUAT TOAN SRT
void SRT(int &m)
{

settextstyle(1,0,1);
settextjustify(1,1);
outtextxy(320,80,"Thuat toan SRT");
unsigned int *tthhd,*tconlai;
int *hangdoi,so=0,xh=0;
ten=(int*)calloc(m+1,sizeof(int));
moctg=(unsigned int*)calloc(m+2,sizeof(int));
hangdoi=(int*)calloc(n,sizeof(int));
tthhd=(unsigned int*)calloc(n,sizeof(int));
tconlai=(unsigned int*)calloc(n,sizeof(int));
m=0;
moctg[0]=0;
for(int i=0;i<n;i++)
daxh[i]=0;
thSRT(hangdoi,xh,so,tthhd,tconlai,m);
//outtextxy(640,480,"Xong RR ");;
}
//Ham thuc hien cua RR
void thRR(int q,int *hangdoi, int &xh,int &so,unsigned int *tthtr,unsigned int
*tconlai,int &m)
{
if(so>0 || xh<n) //Neu hang doi con phan tu hoac con tien trinh chua xuat hien
{
if(so==0 && xh<n) //Neu so phan tu hang doi bang 0 -> dua phan tu xuat hien som
nhat trong ds cac phan tu chua xh (tuc la daxh=0) vao hang doi
{
xh++;
so++;
int vt;
for(int i=0;i<n;i++)

if(daxh[i]==0)
{
vt=i; i=n;
}
hangdoi[so-1]=tentt[vt];
tthtr[so-1]=tconlai[vt];
moctg[m+1]=txh[vt];
ten[m]=-99;
m++;
ten=(int*)realloc(ten,(m+1)*sizeof(int));
moctg=(unsigned int*)realloc(moctg,(m+2)*sizeof(int));
if(so>0 || xh<n) //Thuc hien voi hang doi vua lap duoc
thRR(q,hangdoi,xh,so,tthtr,tconlai,m);
}
if(so>0) // Neu so phan tu hang doi >0, dua phan tu dau hang doi vao thuc hien
{
if(tthtr[so-1]<=q) //Neu t thuc hien con lai cua no <=q ->thuc hien xong
{
moctg[m+1]=moctg[m]+tthtr[so-1];
ten[m]=hangdoi[so-1];
so ;
int vt;
for(int i=0;i<n;i++)
if(tentt[i]==ten[m])
{
vt=i;i=n;
}
tconlai[vt]=0;
daxh[vt]=1;
}

else //Neu t thuc hien con lai >q -> dua no ve cuoi hang doi
{
moctg[m+1]=moctg[m]+q;
ten[m]=hangdoi[so-1];
for(int i=so-1;i>0;i )
{
hangdoi[i]=hangdoi[i-1];
tthtr[i]=tthtr[i-1];
daxh[i]=daxh[i-1];
}
hangdoi[0]=ten[m];
int vt;
for(i=0;i<n;i++)
if(tentt[i]==ten[m])
{
vt=i;i=n;
}
tconlai[vt]-=q;
tthtr[0]=tconlai[vt];
daxh[vt]=1;
}
m++;
ten=(int*)realloc(ten,(m+1)*sizeof(int));
moctg=(unsigned int*)realloc(moctg,(m+2)*sizeof(int));
}
for(int i=0;i<n;i++) // Kiem tra neu co tien trinh xuat hien khi tien trinh cu dang thuc
hien thi dua tt moi vao vi tri dau tien cua hang doi
if(txh[i]<=moctg[m] && daxh[i]==0)
{
so++;

hangdoi[so-1]=tentt[i];
tthtr[so-1]=tconlai[i];
daxh[i]=1; xh++;
}
if(so>0 || xh<n) //Thuc hien voi hang doi hien co
thRR(q,hangdoi,xh,so,tthtr,tconlai,m);
}
}
//HAM THUC HIEN THUAT TOAN RR
void RR(int &m)
{
int q; cout<<"Luong tu thoi gian q= "; cin>>q;
settextstyle(1,0,1);
settextjustify(1,1);
outtextxy(320,80,"Thuat toan RR");
m=0;
int *hangdoi,so=0;
unsigned int *tthtr,*tconlai;
ten=(int*)calloc(m+1,sizeof(int));
moctg=(unsigned int*)calloc(m+2,sizeof(int));
hangdoi=(int*)calloc(n,sizeof(int));
tthtr=(unsigned int*)calloc(n,sizeof(int));
tconlai=(unsigned int*)calloc(n,sizeof(int));
moctg[0]=0;int xh=0;
//truoc khi thuc hien, gan tg con lai cua cactt=tth, cac tt o trang thai chua xuat hien
trong hang doi
for(int i=0;i<n;i++)
{
tconlai[i]=tth[i];
daxh[i]=0;

}
//lap hang doi dau tien tai moc thoi gian bang 0
for(i=0;i<n;i++)
if(txh[i]<=moctg[0] && daxh[i]==0)
{
so++;
hangdoi=(int*)realloc(hangdoi,so*sizeof(int));
hangdoi[so-1]=tentt[i];
tthtr=(unsigned int*)realloc(tthtr,so*sizeof(int));
tthtr[so-1]=tconlai[i];
daxh[i]=1; xh++;
}
thRR(q,hangdoi,xh,so,tthtr,tconlai,m);
outtextxy(640,480,"Xong RR ");;
}
//Ham ve so do Grant voi dau vao la so o can ve m,mang ten,mang moctg
void vesodogrant(int ten[],int m,unsigned int moctg[])
{
setbkcolor(BLUE);
settextjustify(1,2);
settextstyle(0,0,1);
int ax,ay,bx,by,rong=40; //Toa do cac o vuong can ve
int d=0,i=0,j=0; //d:So o can ve; i:Ve o theo hang; j:Xuong dong moi khi het hang
char *s;
while(d<m) //Lap trong khi chua ve het
{
bx=30+210+i*rong;
if(bx>620) //Neu so o vuong khong the chua het tren mot hang->xuong hang
{ i=0;j++;}
ax=210+i*rong; ay=120+5+j*40; bx=210+rong+i*rong; by=120+5+20+j*40; //Tinh

toa do cac o vuong
setcolor(WHITE);
rectangle(ax,ay,bx,by); //Ve o vuong
itoa(ten[d],s,10);
setcolor(YELLOW);
settextjustify(1,1);
outtextxy((ax+bx+textwidth("P"))/2,(ay+by)/2,s); //Xuat cac ten tien trinh
settextjustify(2,1);
outtextxy((ax+bx+textwidth("P"))/2-textwidth(s)/2,(ay+by)/2,"P");
settextjustify(1,2); setcolor(LIGHTGRAY);
itoa(moctg[d],s,10);
outtextxy(ax,by+3,s); //Xuat cac moc thoi gian
if(i==360/rong)
{
itoa(moctg[d+1],s,10);
outtextxy(bx,by+3,s);
}
if(ten[d]==-99) //Tao o trong
{setfillstyle(0,0); bar(ax+3,ay+3,bx-3,by-3);}
d++; i++; //Dem tong so o da ve
}
itoa(moctg[d],s,10);
outtextxy(bx,by+3,s);
}
//Ham kt de tinh thoi gian cho doi cho cac tien trinh
int ktcomat(int a,int ds[],int &d)
{
int i=0;
while(i<=d && a!=ds[i])
i++;

if(i<=d) return 1;
else return 0;
}
//HAM TINH THOI GIAN CHO DOI TRUNG BINH
float TGCDTB()
{
int *ds,*tkt,*tcd; //ds:cac tien trinh da duoc tinh, tkt:mang luu tg ket thuc cua cac tien
trinh
//tcd:mang luu thoi gian cho cua cac tien trinh
float ttb; //ttb:thoi gian cho doi trung binh
ds=(int*)calloc(1,sizeof(int));
tkt=(int*)calloc(n,sizeof(int));
tcd=(int*)calloc(n,sizeof(int));
int i=m-1,d=0; ds[0]=-99;
while(d<=m+1 && i>=0) //Duyet nguoc tu cuoi mang ten,moctg.Neu tt nao chua co
mat trong ds cac tien trinh da duoc tinh tg kt -> lay moctg[i+1] la tg ket thuc
{
if(!ktcomat(ten[i],ds,d))
{
tkt[d]=moctg[i+1];
d++;
ds=(int*)realloc(ds,(d+1)*sizeof(int));
ds[d]=ten[i];
}
i ;
}
//Sap lai mang thoi gian ket thuc theo dung tentt
for(i=0;i<n;i++)
for(int j=1;j<n+1;j++)
{

if(ds[j]==tentt[i])
{
d=tkt[i]; tkt[i]=tkt[j-1]; tkt[j-1]=d;
d=ds[i+1]; ds[i+1]=ds[j]; ds[j]=d;
}
}
//Tinh thoi gian cho doi=tg ket thuc-(tg xuat hien + tg thuc hien)
for(i=0;i<n;i++)
tcd[i]=tkt[i]-(txh[i]+tth[i]);
int stcho=0;
for(i=0;i<n;i++)
stcho=stcho+tcd[i]; //Tinh tong tho gian cho
ttb=(float)stcho/n;
return ttb;
}
void goithieu()
{
settextstyle(1,0,3);
settextjustify(1,1);
outtextxy(320,10,"LAP LICH CHO CPU");
settextjustify(1,2);
settextstyle(0,0,1);
outtextxy(320,470,"Nhom1 KHMT4_K3 DH Cong Nghiep Ha Noi");
}
void gt()
{
setcolor(WHITE);
settextstyle(1,0,2);
settextjustify(0,2);
outtextxy(80,80,"DANH SACH THANH VIEN NHOM 1");

settextstyle(1,0,1);
outtextxy(80,100,"1.Nguyen Tuan Anh");
outtextxy(80,115,"2.Pham Tuan Luong");
outtextxy(80,130,"3.Do thi Hong Van");
outtextxy(80,145,"4.Nguyen Van Bat");
outtextxy(80,160,"5.Nguyen Trung Hieu");
outtextxy(80,175,"6.Doan xuan Nghia");
getch();
}
void xuatdebai(int &n,int *tentt,unsigned int *txh,unsigned int *tth)
{
char as[30];
setcolor(YELLOW);
settextstyle(0,0,1);
settextjustify(0,2);
outtextxy(10,40,"TenTT");
outtextxy(60,40,"TXH");
outtextxy(90,40,"TTH");
rectangle(5,35,120,55+15*n);
rectangle(5,15,120,35);
settextjustify(1,2);
outtextxy(60,25,"DE BAI");
settextjustify(0,2);
for(int i=0;i<n;i++)
{
sprintf(as,"P%d",tentt[i]);
outtextxy(10,55+15*i,as);
sprintf(as,"%d",txh[i]);
outtextxy(60,55+15*i,as);
sprintf(as,"%d",tth[i]);

outtextxy(90,55+15*i,as);
}
}
//THAN CHUONG TRINH CHINH
void main()
{
char k;
do
{
clrscr();
restorecrtmode(); //tro ve man hinh soan thao
nhapdl(); //Nhap du lieu
s:
restorecrtmode();
//Dua ra menu cho nguoi dung chon lua thuat toan
gotoxy(5,4);
cout<<"XEM KET QUA";
gotoxy(5,5);
cout<<"1:FIRST COME FIRST SERVED";
gotoxy(5,6);
cout<<"2:SHORTEST JOB FIRST";
gotoxy(5,7);
cout<<"3:SHORTEST REMAIN TIME";
gotoxy(5,8);
cout<<"4:ROUND ROBIN";
gotoxy(5,9);
cout<<"5:Nhap lai";
gotoxy(5,10);
cout<<"6:Danh sach thanh vien th";
gotoxy(5,11);

cout<<"7:Thoat";
gotoxy(5,12);
cout<<"Lua chon: ";
gotoxy(17,12);
cin>>k; //Nhap lua chon
}while(k=='5');
if(k=='7') exit(0);
if(k!='7')
{
//Khoi tao do hoa
int gd=DETECT,gm,er;
initgraph(&gd,&gm," \\BGI");
er=graphresult();
//Neu khoi tao do hoa loi ->bao loi
if(er!=grOk)
{
printf("Loi khoi tao do hoa: %s\n",grapherrormsg(er));
getch();
exit(1);
}
cleardevice();
goithieu();
quick_sort(0,n-1); //Sap xep lai cac tien trinh theo thoi gian xuat hien
if(k=='1') FCFS(m);
else
if(k=='2') SJF(m);
else
if(k=='3') SRT(m);
else
if(k=='4') RR(m);

else
if(k=='6') { gt(); goto s;}
else goto s;
if(k!='6')
{
vesodogrant(ten,m,moctg); //Ve so do Grant
xuatdebai(n,tentt,txh,tth); //Xuat de bai
float ttb=floor(TGCDTB()*100+0.5)/100; //Tinh thoi gian cho doi trung binh cua
thuat toan
setcolor(RED); settextstyle(1,0,1);
char as[30];
settextjustify(1,2);
sprintf(as,"Thoi gian cho doi tb: %f",ttb);
outtextxy(440,440,as);
getch();
goto s;
closegraph(); //Dong man hinh do hoa
}
}
} //Ket thuc chuong trinh