四则运算03（附第四周进度条）
设计思想：
1.将随机数生成、加减符号生成、乘除符号生成、括号生成、储存分别用函数封装
2.用判断来进行运算，多个数的存在链中，先算乘除，后算加减。
3.用一个全局变量来记数答对多少。
4.判断是否有乘除，是否有负数，是否有余数、是否有括号、位数。
5.通过判断依次引用函数。
设计思想： 1.将随机数生成、加减符号生成、乘除符号生成、括号生成、储存分别用函数封装 2.用判断来进行运算，多个数的存在链中，先算乘除，后算加减。 3.用一个全局变量来记数答对多少。 4.判断是否有乘除，是否有负数，是否有余数、是否有括号、位数。 5.通过判断依次引用函数。 源程序 #include<iostream> #include"string" #include<time.h> #include<stack> #define M 10; using namespace std; string *o; int j=0,js=0,correct=0; int Rnum(int min,int max ) //randon number (digit) { int random; random=(rand()%(max-min+1))+min; return random; } char Ras(int judgemd )// add subtraction multiplication division operator { int random; char operation; if(judgemd==2)random=Rnum(1,2); else random=Rnum(3,4); switch(random) { case(1):{operation='+';break;} case(2):{operation='-';break;} case(3):{operation='*';break;} case(4):{operation='/';break;} } return operation; } bool Compare(string str) { bool b=true; for(int i=0;i<j;i++) { if(str==o[i]) b=false; } return b; } void Storage(string str)//string or 邻ⅷ?接ó表括? { o[j]=str; j++; } void Asout (int judgen,int min,int max)// if here is not negaive it is true,else false { int num,num1,num2,num3; char ope; string o=""; num1= Rnum(min,max); num2= Rnum(min,max); ope=Ras(2); if(judgen==2) { if(ope=='-') { if(num1<num2) { num=num1; num1=num2; num2=num; } } } o=num1+ope+num2; if(Compare(o)==true) { Storage(o); js++; } if(ope=='+') { num=num1+num2; } else { num=num1-num2; } //比括?较? 和í储洹?存? cout<<num1<<ope<<num2<<"="; cin>>num3; if(num3==num){cout<<"回?答鋏正y确ā?<<endl;correct++;} else {cout<<"正y确ā?答鋏案?为a"<<num<<endl;} } void Mdout(int judger,int min,int max)// { int num1,num2,num,num3,remainder,remainder2; char ope; string o; num1= Rnum(min,max); num2= Rnum(min,max); ope=Ras(1); if(ope=='/') { if(num2==0) {num2=Rnum(min,max);} else if(judger==2) { num=num1*num2; num1=num; } else { remainder=num1%num2; } } o=num1+ope+num2; if(Compare(o)==true) { Storage(o); js++; } if(ope=='*') { num=num1*num2; cout<<num1<<ope<<num2<<"="; cin>>num3; if(num3==num){cout<<"回?答鋏正y确ā?<<endl;correct++;} else {cout<<"正y确ā?答鋏案?为a"<<num<<endl;} } else { num=num1/num2; cout<<num1<<ope<<num2<<"="; if(remainder==0) { cin>>num3; if(num3==num){cout<<"回?答鋏正y确ā?<<endl;correct++;} else {cout<<"正y确ā?答鋏案?为a"<<num<<endl;} } else { cout<<"商Θ?为a"; cin>>num3; cout<<"余?数簓为a"; cin>>remainder2; if(num3==num&&remainder==remainder2){cout<<"回?答鋏正y确ā?<<endl;correct++;} else {cout<<"正y确ā?答鋏案?为a"<<num<<"余?数簓"<<remainder<<endl;} } } //比括?较? 和í储洹?存? } int Asmdout(int judgemd,int judgen,int judger,int min,int max) { if(judgemd==2) { Asout ( judgen, min, max); } else { if(Rnum(1,2)==1) { Asout ( judgen, min, max); } else { Mdout(judger, min, max); } } return 0; } int Bracket(int judgemd,int min,int max)//it has braket, randem digit. { int num,sum; num=Rnum(3,10); int *bnum; char *bope; typedef struct Num { //struct Num *prior; struct Num *next; int data; }Num,*Nlist; typedef struct Ope { //struct Ope *prior; struct Ope *next; char data; }Ope,*Olist; Nlist n=new Num; n->next=NULL; Nlist ir=n; Nlist ip; Olist o=new Ope; o->next=NULL; Olist cr=o; Olist cp; bnum= new int[num]; bope=new char[num-1]; for(int i=0;i<num;i++) { bnum[i]=Rnum(min,max); ip= new Num; ip->data=bnum[i]; ip->next=NULL; ir->next=ip; ir=ip; } for(int i=0;i<num-1;i++) { bope[i]=Ras(Rnum(1,2)); cp= new Ope; cp->data=bope[i]; cp->next=NULL; cr->next=cp; cr=cp; } cp=o;ip=n; for(int i=0;i<num-1;i++) { if(cp->next->data=='*') { cr=cp;ir=ip; cr->next=cr->next->next; ir->next->data=ir->next->data*ir->next->next->data; ir->next->next=ir->next->next->next; continue; } if(cp->next->data=='/') { cr=cp;ir=ip; cr->next=cr->next->next; ir->next->data=ir->next->data/ir->next->next->data; ir->next->next=ir->next->next->next; continue; } cp=cp->next; ip=ip->next; if(cp->next->next==NULL) break; } cp=o;ip=n; for(int i=0;i<num-1;i++) { if(cp->next->data=='+') { cr=cp;ir=ip; cr->next=cr->next->next; ir->next->data=ir->next->data + ir->next->next->data; ir->next->next=ir->next->next->next; continue; } if(cp->next->data=='-') { cr=cp;ir=ip; cr->next=cr->next->next; ir->next->data=ir->next->data - ir->next->next->data; ir->next->next=ir->next->next->next; continue; } cp=cp->next; ip=ip->next; if(cp->next->next==NULL) break; } for(int i=0;i<num;i++) { cout<<bnum[i]; if(i==num-1){break;} cout<<bope[i]; } js++; cout<<"="; cin>>sum; if(sum==n->next->data){cout<<"回?答鋏正y确ā?<<endl;correct++;} else{cout<<"回?答鋏错洙?误ó";} delete bnum,bope,ip,ir,cp,cr; return 0; } int main() { srand(time(NULL)); int judgeb,judgemd,judgen,judger=2,min,max,n; cout<<"Do you want multiplication and division? 1.Yes 2.No"<<endl; cin>>judgemd; cout<<"Do you want bracket? 1.Yes 2.No"<<endl; cin>>judgeb; if(judgeb==2) { cout<<"Do you want negative? 1.Yes 2.No"<<endl; cin>>judgen; if(judgemd==1) { cout<<"Do you want remainder? 1.Yes 2.No"<<endl; cin>>judger; } } cout<<"which is the scope of the number? input the min and max"<<endl; cin>>min>>max; cout<<"数簓量?"<<endl; cin>>n; o=new string[n]; while(js<n) { if(judgeb==1){ Bracket(judgemd, min, max);}; if(judgeb==2){Asmdout(judgemd, judgen, judger, min, max);}; } cout<<"共2答鋏对?"<<correct<<"道台?题琣"<<endl; return 0; }
| 日期任务 | 听课 | 编写程序 | 阅读课本 | 准备考试 | 日统计 | 日期 | 开始时间 | 结束时间 | 中断时间 | 净时间 | 活动 | 备注 | |||
| 周日 | 3.21 | 8:00 | 9:50 | 10 | 100 | 上课 | |||||||||
| 周一 | 100 | 60 | 160 | 3.22 | |||||||||||
| 周二 | 3.23 | 2:00 | 4:00 | 120 | 写程序 | ||||||||||
| 周三 | 120 | 120 | 3.24 | ||||||||||||
| 周四 | 3.25 | 7:15 | 9:30 | 15 | 120 | 写程序 | |||||||||
| 周五 | 120 | 120 | 3.26 | 2:20 | 19:35 | 500 | 360 | 写程序 | |||||||
| 周六 | 360 | 360 | |||||||||||||
| 日期 | 编号 | 引入阶段 | 排除阶段 | 修复时间 | 描述 | ||||||||||
| 3.26 | 1 | 编码 | 译码 | 运用指针时，未知错误导致异常。 |
