#include<iostream.h>
#include<stdlib.h>
#include<time.h>
#include<stdio.h>
void init(int map[20][20],int row,int col)//初始化函数
{
int i,j,temp;
temp = time(NULL);
srand(temp);
for(i = 0; i<row; i++)
{
for(j=0; j<col; j++)
{
map[i][j] = rand()%2;
cout<<map[i][j]<<" ";
}
cout<<endl;
}
}
void fenpei(int map[20][20],int row,int col)//分配函数
{
int n,count=0,i,j,b;
cout<<"请输入需要的盘块数:"<<endl;
cin>>n;
for( i =0; i<row; i++)
for( j=0; j<col; j++)
{
if(count<n)
{
if ( map[i][j] == 0 )
{
map[i][j]=1;
b = (i)* col +j;
cout<<"第"<<++b<<"盘块被分配!"<<endl;
count++;
}
}
else
break;
}
cout<<"分配后的信息："<<endl;
for(i=0;i<row;i++)
{
for(j=0;j<col;j++)
cout<<map[i][j]<<" ";
cout<<endl;
}
}
void huishou(int map[20][20],int row,int col)
{
int n,count=0,i,j;
cout<<"请输入需要回收的盘块号:"<<endl;
cin>>n;
if( n>=row*col )
cout<<"你输入的盘块号不存在！"<<endl;
else
{
i = n / col;
j = n % col;
if(map[i][j] ==0)
cout<<"你输入的盘块号已空闲！"<<endl;
else
map[i][j]=0;
}
cout<<"分配后的信息："<<endl;
for(i=0;i<row;i++)
{
for(j=0;j<col;j++)
cout<<map[i][j]<<" ";
cout<<endl;
}
}
void main()
{
int row,col,type;
int map[20][20];
cout<<"请输入位示图的行和列：不能超过20！"<<endl;
cin>>row>>col;
init(map,row,col);
while(1)
{
cout<<"请输入操作类型，1：分配，2：回收，3：退出！"<<endl;
cin>>type;
if(type==1)
fenpei(map,row,col);
else if(type == 2)
huishou(map,row,col);
else
return;
}
}
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