/*
*銀行家算法Bankers?Algorithm
*組員：林麗燕?胡嫄?張燈?賴(lài)彬彬?陳順?lè)?崔北辰?陳阿強(qiáng)
*/
#include?
#include?
#include??
#include“interface_and_cursor.h“

#define?m?50
#define?FALSE?0
#define?TRUE?1

int?process_num;??//進(jìn)程數(shù)
int?resource_num;??//資源數(shù)
int?Allocation[m][m]Need[m][m]Available[m]Max[m][m];?


/*主界面輸入*/?????????????????????????
void?input（）
{
	view_form（21）;
	view_form（104）;
	gotoxy（272）;
	printf（“??**歡迎進(jìn)入銀行家算法**“）;
	view_labal（21692“請(qǐng)輸入進(jìn)程總數(shù):“）;
	view_edit（42662）;
????ui_tools_gotoxy（487）;
	scanf（“%d“&process_num）;
	view_labal（211092“請(qǐng)輸入資源種類(lèi)數(shù):“）;
	view_edit（421062）;
????view_labal（191572“確定（Enter）“）;
	view_labal（421572“取消（Esc）“）;
????ui_tools_gotoxy（4811）;
????scanf（“%d“&resource_num）;	system（“cls“）;
}



/*安全算法函數(shù)*/
void?safety_check（）???
{
	int?kfv=0ij;
	int?work[m]a[m];
	bool?Finish[m];
	TRUE;
	for（i=0;i		Finish[i]=false;???//?初始化進(jìn)程均沒(méi)得到足夠資源數(shù)并完成
	for（i=0;i		work[i]=Available[i];//work[i]表示可提供進(jìn)程繼續(xù)運(yùn)行的各類(lèi)資源數(shù)
	k=process_num;
	do{
		for（i=0;i		{
			if（Finish[i]==false）
			{
				f=1;
				for（j=0;j					if（Need[i][j]>work[j]）
						f=0;//f=0為false，f=1為true
					
					if（f==1）??????//找到還沒(méi)有完成且需求數(shù)小于可提供進(jìn)程繼續(xù)運(yùn)行的資源數(shù)的進(jìn)程
					{
						Finish[i]=true;
						a[v++]=i;???//記錄安全序列號(hào)
						for（j=0;j							work[j]+=Allocation[i][j];??//釋放該進(jìn)程已分配的資源
					}
			}
		}
		k--;??????//每完成一個(gè)進(jìn)程分配，未完成的進(jìn)程數(shù)就減1
	}while（k>0）;
	f=1;
	for（i=0;i	{
		if（Finish[i]==false）???
		{
			f=0;
			break;
		}
	}
	if（f==0）???????//若有進(jìn)程沒(méi)完成，則為不安全狀態(tài)
	{
		gotoxy（1315）;
		printf（“系統(tǒng)處在不安全狀態(tài)！“）;
		FALSE;
	}
	else
	{
		gotoxy（1315）;
		printf（“系統(tǒng)當(dāng)前為安全狀態(tài)，安全序列為：“）;
		for（i=0;i			printf（“p%d??“a[i]）;??//輸出安全序列
		printf（“\n“）;
	}	
}



/*輸出函數(shù)*/
void?output（）?
{	
	int?ijs=0;
	printf（“\n“）;
	gotoxy（136）;
	printf（“******************此時(shí)刻資源分配情況*******************\n“）;
	gotoxy（137）;
	printf（“進(jìn)程名????|?????Max?????|??Allocation??|?????Need?????|\n“）;
????gotoxy（138）;
	for?（i?=?0;?i?	{
????????if（s<5）{{
			gotoxy（138+s）;
		}
		printf（“??p%d???????“i）;
		s++;
		}
		for?（j?=?0;?j?		{
			printf（“?%d???“Max[i][j]）;
		}
		
		for?（j?=?0;?j?		{
			printf（“?%d???“Allocation[i][j]）;
		}
		
		for?（j?=?0;?j?		{
			printf（“?%d???“Need[i][j]）;
		}
		
		printf（“\n“）;
	}
	printf（“\n“）;
	gotoxy（1314）;
	printf（“各類(lèi)資源可利用的資源數(shù)為:“）;
	for?（j?=?0;?j?	{
		printf（“?%d“Available[j]）;
	}
}



/*主函數(shù)*/
void?main（）{
????void?safety_check（）;
	void?output（）;
????int?row_index=0;
	int?i=0jp=0q=0n=0r=0;
	char?c;//為后面的c=getche（）服務(wù)
	int?Request[m]Allocation1[m][m]Need1[m][m]Available1[m];
	
	input（）;
	view_form（21）;
	view_form（104）;
????gotoxy（203）;
????printf（“矩陣輸入時(shí)隔位請(qǐng)用空格鍵，隔行請(qǐng)用Enter鍵!“

?屬性????????????大小?????日期????時(shí)間???名稱(chēng)
-----------?---------??----------?-----??----

?????文件???????6885??2013-12-23?23:46??Bankers?Algorithm\Bankers?Algorithm.cpp

?????文件???????4570??2013-12-21?04:14??Bankers?Algorithm\Bankers?Algorithm.dsp

?????文件????????542??2013-12-21?04:14??Bankers?Algorithm\Bankers?Algorithm.dsw

?????文件??????50176??2013-12-25?16:56??Bankers?Algorithm\Bankers?Algorithm.ncb

?????文件??????48640??2013-12-25?16:56??Bankers?Algorithm\Bankers?Algorithm.opt

?????文件????????978??2013-12-25?12:33??Bankers?Algorithm\Bankers?Algorithm.plg

?????文件???????3069??2013-12-21?16:06??Bankers?Algorithm\Interface_and_Cursor.cpp

?????文件????????485??2013-12-21?04:15??Bankers?Algorithm\Interface_and_Cursor.h

?????文件?????208980??2013-12-25?12:33??Bankers?Algorithm\Debug\Bankers?Algorithm.exe

?????文件?????318892??2013-12-25?12:33??Bankers?Algorithm\Debug\Bankers?Algorithm.ilk

?????文件??????25366??2013-12-25?12:33??Bankers?Algorithm\Debug\Bankers?Algorithm.obj

?????文件????3574872??2013-12-22?00:40??Bankers?Algorithm\Debug\Bankers?Algorithm.pch

?????文件?????541696??2013-12-23?23:46??Bankers?Algorithm\Debug\Bankers?Algorithm.pdb

?????文件??????16533??2013-12-21?16:12??Bankers?Algorithm\Debug\Interface_and_Cursor.obj

?????文件?????148480??2013-12-25?12:39??Bankers?Algorithm\Debug\vc60.idb

?????文件??????77824??2013-12-23?23:46??Bankers?Algorithm\Debug\vc60.pdb

?????目錄??????????0??2013-12-28?23:38??Bankers?Algorithm\Debug

?????目錄??????????0??2013-12-28?23:38??Bankers?Algorithm

-----------?---------??----------?-----??----

??????????????5027988????????????????????18