Bài tập lớn NLHĐH pptx

Bài tập lớn NLHĐH#include #include #include #include #include #include #include #include int *tentt,*ten; //tentt: ten cac tt nhap vao, ten: danh sach ten tt xuat ra unsigned int *txh,*t

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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)

{

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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));

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];

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}

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

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 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])

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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)

{

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

{

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so++; xh++; daxh[i]=1;

tthhd[so-1]=tth[i];

tconlai[so-1]=tth[i];

}

//Sap xep lai hang doi

int tg;

if(so>1)

{

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;

}

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;

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);

}

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//HAM THUC HIEN THUAT TOAN SRT

void SRT(int &m)

{

outtextxy(320,80,"Thuat toan SRT");

unsigned int *tthhd,*tconlai;

int *hangdoi,so=0,xh=0;

tthhd=(unsigned int*)calloc(n,sizeof(int));

m=0;

moctg[0]=0;

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;

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++;

if(so>0 || xh<n) //Thuc hien voi hang doi vua lap duoc

thRR(q,hangdoi,xh,so,tthtr,tconlai,m);

}

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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];

so ;

int vt;

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;

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++;

}

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

{

so++;

tthtr[so-1]=tconlai[i];

daxh[i]=1; xh++;

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if(so>0 || xh<n) //Thuc hien voi hang doi hien co

}

//HAM THUC HIEN THUAT TOAN RR

void RR(int &m)

{

int q; cout<<"Luong tu thoi gian q= "; cin>>q;

outtextxy(320,80,"Thuat toan RR");

m=0;

int *hangdoi,so=0;

unsigned int *tthtr,*tconlai;

tthtr=(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

{

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));

tthtr=(unsigned int*)realloc(tthtr,so*sizeof(int));

tthtr[so-1]=tconlai[i];

daxh[i]=1; xh++;

}

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);

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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);

outtextxy((ax+bx+textwidth("P"))/2,(ay+by)/2,s); //Xuat cac ten tien trinh

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()

Trang 10

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()

{

outtextxy(320,10,"LAP LICH CHO CPU");

outtextxy(320,470,"Nhom1 KHMT4_K3 DH Cong Nghiep Ha Noi");

Trang 11

void gt()

{

setcolor(WHITE);

outtextxy(80,80,"DANH SACH THANH VIEN NHOM 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);

outtextxy(10,40,"TenTT");

outtextxy(60,40,"TXH");

outtextxy(90,40,"TTH");

rectangle(5,35,120,55+15*n);

rectangle(5,15,120,35);

outtextxy(60,25,"DE BAI");

{

sprintf(as,"P%d",tentt[i]);

outtextxy(10,55+15*i,as);

sprintf(as,"%d",txh[i]);

sprintf(as,"%d",tth[i]);

}

//THAN CHUONG TRINH CHINH

void main()

{

char k;

do

Trang 12

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);

Trang 13

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];

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

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