操作系統(tǒng)優(yōu)先級(jí)進(jìn)程調(diào)度

代碼：//080511321.cpp:Definestheentrypointfortheconsoleapplication.//#include"stdafx.h"#include"iostream"#include<ctime>#include<cstdlib>#include<string>#include<algorithm>usingnamespacestd;typedefstruct{stringjcname;intyxj;intyqyxtime;intyxtime;intzt;intzz;}dd;boolm(dda,ddb){ returna.yxj>b.yxj;}intmain(intargc,char*argv[]){ddd[5];for(inti=0;i<5;i++){ d[i].jcname="p";d[i].jcname=d[i].jcname+char(49+i); while(true)//隨機(jī)生成優(yōu)先級(jí)和運(yùn)行時(shí)間 { intf=0; d[i].yxj=rand()%100;//優(yōu)先級(jí) if(i!=0){ for(inta=0;a<i;a++){ if(d[a].yxj==d[i].yxj){ break; } else{ f=1; } } } else{ f=1; } if(f==1){ break; } } d[i].yqyxtime=rand()%5;//運(yùn)行時(shí)間 d[i].yxtime=0; d[i].zt=0; d[i].zz=0;}sort(d,d+5,m);//排序for(intj=0;j<5;j++){//復(fù)制指針 d[j].zz=(j+1)%5;}intb=0;while(true){//運(yùn)行intc=0; stringjs; d[b].yxtime++; if(d[b].yqyxtime+1==d[b].yxtime)//判斷運(yùn)行是否等于要運(yùn)行時(shí)間 { d[b].yxtime--; } cout<<"執(zhí)行"<<endl;cout<<"進(jìn)程名"<<""<<"優(yōu)先級(jí)"<<""<<"要求運(yùn)行時(shí)間"<<""<<"運(yùn)行時(shí)間"<<""<<"狀態(tài)"<<""<<"指針"<<endl; cout<<d[b].jcname<<""<<d[b].yxj<<""<<d[b].yqyxtime<<""<<d[b].yxtime<<""<<"執(zhí)行"<<""<<d[b].zz<<endl;cout<<"就緒"<<endl; d[b].yxj=d[b].yxj-9; sort(d,d+5,m);//排序for(intj=0;j<5;j++){//復(fù)制指針 d[j].zz=(j+1)%5;} intm=b%5; cout<<"進(jìn)程名"<<""<<"優(yōu)先級(jí)"<<""<<"要求運(yùn)行時(shí)間"<<""<<"運(yùn)行時(shí)間"<<""<<"狀態(tài)"<<""<<"指針"<<endl; //system("pause"); while(true){//就緒隊(duì)列 if(d[m].yqyxtime==d[m].yxtime){ js=js+d[m].jcname; m++; m=m%5; } else{ cout<<d[m].jcname<<""<<d[m].yxj<<""<<d[m].yqyxtime<<""<<d[m].yxtime<<""<<"就緒"<<""<<d[m].zz<<endl; m++; m=m%5; } if(m==b){ break; } } cout<<"完成進(jìn)程："<<endl; cout<<js<<endl; b=d[b].zz; for(intj=0;j<5;j++)//判斷是否運(yùn)行完 { if(d