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| 1 | #include<iostream> | |
| 2 | #include<cstring> | |
| 3 | #include<cstdio> | |
| 4 | #include<cmath> | |
| 5 | using namespace std; | |
| 6 | ||
| 7 | ||
| 8 | int main() | |
| 9 | {
| |
| 10 | ||
| 11 | ||
| 12 | ||
| 13 | while(1){
| |
| 14 | string iteam1="",item2=""; | |
| 15 | int sum1=0,sum2=0,sum3=0,sum4=0,total=0; | |
| 16 | - | char c; |
| 16 | + | char ch; |
| 17 | puts("Give item 1 name");
| |
| 18 | cin>>iteam1; | |
| 19 | puts("Give item 2 name");
| |
| 20 | cin>>item2; | |
| 21 | ||
| 22 | int a,b,c,d; | |
| 23 | cout<<"What is amount of "<<iteam1<<" and "<<item2<<endl; | |
| 24 | cin>>a; | |
| 25 | ||
| 26 | cout<<"What is amount of "<<iteam1<<" and not "<<item2<<endl; | |
| 27 | cin>>b; | |
| 28 | ||
| 29 | cout<<"What is amount of not "<<iteam1<<" and "<<item2<<endl; | |
| 30 | cin>>c; | |
| 31 | ||
| 32 | cout<<"What is amount of not "<<iteam1<<" and not "<<item2<<endl; | |
| 33 | cin>>d; | |
| 34 | ||
| 35 | sum1=a+c; | |
| 36 | sum2=b+d; | |
| 37 | ||
| 38 | sum3=a+b; | |
| 39 | sum4=c+d; | |
| 40 | ||
| 41 | total=sum1+sum2; | |
| 42 | ||
| 43 | cout<<" \t "<<iteam1<<" \t\t"<<"not "<<iteam1<<" \t"<<"Erow"<<endl; | |
| 44 | cout<<item2<<"\t "<<a<<"\t\t"<<c<<" \t\t"<<sum1<<endl; | |
| 45 | cout<<"not "<<item2<<" "<<b<<" \t"<<d<<"\t\t"<<sum2<<endl; | |
| 46 | cout<<"__________________________________________________________________"<<endl; | |
| 47 | cout<<"Ecol\t "<<sum3<<" \t"<<sum4<<" \t\t"<<total<<endl<<endl; | |
| 48 | ||
| 49 | double x,y; | |
| 50 | double expected=0.00; | |
| 51 | ||
| 52 | x= (sum1*sum3)/total; | |
| 53 | y= (sum3-x) ; | |
| 54 | ||
| 55 | ||
| 56 | ||
| 57 | ||
| 58 | cout<<" \t "<<iteam1<<" \t\t"<<"not "<<iteam1<<" \t"<<"Erow"<<endl; | |
| 59 | cout<<item2<<"\t "<<a<<"("<<x<<")\t"<<c<<"("<<(sum1-x)<<") \t"<<sum1<<endl;
| |
| 60 | cout<<"not "<<item2<<" "<<b<<"("<<y<<") \t"<<d<<"("<<(sum2-y)<<")\t"<<sum2<<endl;
| |
| 61 | cout<<"__________________________________________________________________"<<endl; | |
| 62 | cout<<"Ecol\t "<<sum3<<" \t"<<sum4<<" \t\t"<<total<<endl; | |
| 63 | ||
| 64 | ||
| 65 | expected= (((a-x)*(a-x))/x) + (((b-y)*(b-y))/y) | |
| 66 | + (((c-(sum1-x))*(c-(sum1-x)))/(sum1-x)) + (((d-(sum2-y))*(d-(sum2-y)))/(sum2-y)) ; | |
| 67 | ||
| 68 | ||
| 69 | ||
| 70 | printf("\nEx^2= %.2lf\n",expected);
| |
| 71 | ||
| 72 | ||
| 73 | ||
| 74 | cout<<endl<<endl<<endl<<"Do you want to continue? (press Y/y for YES or N/n for NO)"; | |
| 75 | - | cout<<endl<<endl<<endl<<"Do you want to continue? (press Y/y for YES or N/n for NO)";cin>>c; |
| 75 | + | while(tolower(ch)!='y'||tolower(ch)!='n') |
| 76 | - | if(tolower(c)=='N')break; |
| 76 | + | {
|
| 77 | cin>>ch; | |
| 78 | if(tolower(ch)=='n'){cout<<"So, see you again. (o.o)"<<endl;return 0;}
| |
| 79 | else if(tolower(ch)=='y'){cout<<"Ok lets fun again. :D"<<endl<<"___________________________________________________________"<<endl;break;}
| |
| 80 | else cout<<"Give a valid charecter (press Y/y for YES or N/n for NO)"<<endl; | |
| 81 | } | |
| 82 | ||
| 83 | ||
| 84 | ||
| 85 | ||
| 86 | } | |
| 87 | ||
| 88 | return 0; | |
| 89 | } |
