// Note:Your choice is C++ IDE
#include <iostream>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <iomanip.h>
#include <conio.h>
const int MAX_P=20;
const int MAXA=10;
const int MAXB=5;
const int MAXC=7;
typedef struct node{
int a;
int b;
int c;
int remain_a;
int remain_b;
int remain_c;
}bank;
typedef struct node1{
char name[20];
int a;
int b;
int c;
int need_a;
int need_b;
int need_c;
}process;
bank banker;
process processes[MAX_P];
int quantity;
void initial()
{
int i;
banker.a=MAXA;
banker.b=MAXB;
banker.c=MAXC;
banker.remain_a=MAXA;
banker.remain_b=MAXB;
banker.remain_c=MAXC;
for(i=0;i<MAX_P;i++){
strcpy(processes[i].name,"");
processes[i].a=0;
processes[i].b=0;
processes[i].c=0;
processes[i].need_a=0;
processes[i].need_b=0;
processes[i].need_c=0;
}
}
//QQ 448085558
void add()
{
char name[20];
int flag=0;
int t;
int need_a,need_b,need_c;
int i;
cout<<endl;
cout<<"新加作业"<<endl;
cout<<"-----------------------"<<endl;
cout<<"please input your new task name:";
cin>>name;
for(i=0;i<quantity;i++)
{
if(!strcmp(processes[i].name,name)){
flag=1;
break;
}
}
if(flag){
cout<<"error,resistent"<<endl;
}
else{
cout<<"need A resource";
cin>>need_a;
cout<<"need B resource:";
cin>>need_b;
cout<<"need C resource:";
cin>>need_c;
t=1;
cout<<need_a<<banker.remain_a;
if(need_a>banker.remain_a){
cout<<"error, need A >banker own"<<endl;
t=0;
}
if(need_b>banker.remain_b){
cout<<"error, need B >banker own"<<endl;
t=0;
}
if(need_c>banker.remain_c){
cout<<"error, need C >banker own"<<endl;
t=0;
}
if(t){
strcpy(processes[quantity].name,name);
processes[quantity].need_a=need_a;
processes[quantity].need_b=need_b;
processes[quantity].need_c=need_c;
quantity++;
cout<<"xin jia zuo ye cheng gong "<<endl;
}
else{
cout<<"task adding fails"<<endl;
}
}
}
/* ask for task resource*/
void bid()
{
char name[20];
int i,p;
int a,b,c;
int flag;
cout<<endl<<"为作业申请资源"<<endl;
cout<<"-----------------------"<<endl;
cout<<"要申请的资源的作业名:";
cin>>name;
p=-1;
for(i=0;i<quantity;i++){
if(!strcmp(processes[i].name,name)){
p=i;
break;
}
}
if(p!=-1){
cout<<"改作业要申请A类资源数量";
cin>>a;
cout<<"改作业要申请B类资源数量";
cin>>b;
cout<<"改作业要申请C类资源数量";
cin>>c;
flag=1;
if((a>banker.remain_a)||(a>processes[p].need_a-processes[p].a)){
cout<<"错误，所申请A类资源大于银行家所剩余A类资源或者该进程还需数量"<<endl;
flag=0;
if((b>banker.remain_b)||(b>processes[p].need_b-processes[p].b)){
cout<<"错误，所申请B类资源大于银行家所剩余B类资源或者该进程还需数量"<<endl;
flag=0;
if((c>banker.remain_c)||(c>processes[p].need_c-processes[p].c)){
cout<<"错误，所申请C类资源大于银行家所剩余C类资源或者该进程还需数量"<<endl;
flag=0;
}
if(flag){
banker.remain_a-=a;
banker.remain_b-=b;
banker.remain_c-=c;
processes[p].a+=a;
processes[p].b+=b;
processes[p].c+=c;
cout<<"为作业申请资源失败 "<<endl;
}
}
else{
cout<<"改作业不存在"<<endl;
}
}
}
}
void finished()
{
char name[20];
int i,p;
cout<<endl<<"撤销作业"<<endl;
cout<<"-----------------------------"<<endl;
cout<<"要撤销作业名";
cin>>name;
p=-1;
for(i=0;i<quantity;i++){
if(!strcmp(processes[i].name,name)){
p=i;
break;
}
}
if(p!=-1){
banker.remain_a+=processes[p].a;
banker.remain_b+=processes[p].b;
banker.remain_c+=processes[p].c;
for(i=p;i<quantity-1;i++){
processes[i]=processes[i++];
}
strcpy(processes[quantity-1].name,"");
processes[quantity-1].a=0;
processes[quantity-1].b=0;
processes[quantity-1].c=0;
processes[quantity-1].need_a=0;
processes[quantity-1].need_b=0;
processes[quantity-1].need_c=0;
quantity--;
cout<<"撤销作业成功"<<endl;
}
else{
cout<<"撤销失败"<<endl;
}
}
void view()
{
int i;
cout<<endl<<"查看资源情况"<<endl;
cout<<"--------------------------------"<<endl;
cout<<"银行家所剩余资源（剩余资源/总共资源）"<<endl;
cout<<"A类资源："<<banker.remain_a<<"/"<<banker.a;
cout<<"B类资源："<<banker.remain_b<<"/"<<banker.b;
cout<<"C类资源："<<banker.remain_c<<"/"<<banker.c;
cout<<endl<<endl<<"作业占用情况"<<endl<<endl;
if(quantity>0){
for(i=0;i<quantity;i++){
cout<<"作业名："<<processes[i].name<<endl;
cout<<"A"<<processes[i].a<<"/"<<processes[i].need_a;
cout<<"B"<<processes[i].b<<"/"<<processes[i].need_b;
cout<<"C"<<processes[i].c<<"/"<<processes[i].need_c;
cout<<endl;
}
}
else{
cout<<"当前没有作业"<<endl;
}
}
void main(){
//系统设置
system("title C语言关机程序");//设置cmd窗口标题
system("mode con cols=66lines=20");//窗口宽度高度
system("color 0B");
system("date /T");
system("TIME /T");
int chioce;
int flag=1;
initial();
while(flag){
cout<<"----------------------------------------------------------------"<<endl;
cout<<"1.新加作业 2.为作业申请资源 3.撤销作业 4.查看资源情况 0.退出系统"<<endl;
cout<<"请选择";
cin>>chioce;
switch(chioce){
case 1:
add();
break;
case 2:
bid();
break;
case 3:
finished();
break;
case 4:
view();
break;
case 0:
flag=0;
break;
default:
cout<<"选择错误"<<endl<<endl;
}
}
}
管理
浙公网安备 33010602011771号