Unitedtech.com

#include <iostream.h>#include <fstream.h>#include <iomanip.h>#include <math.h>#include <conio.h>#include <string.h>fstream file;char year[5]="";char *returnMonth(int m){ switch(m){ case 1 : return("January"); case 2 : return("February"); case 3 : return("March"); case 4 : return("April"); case 5 : return("May"); case 6 : return("June"); case 7 : return("July"); case 8 : return("August"); case 9 : return("September"); case 10 : return("October"); case 11 : return("November"); case 12 : return("December"); } return("Invalid");}int checkFile(){ if(file==NULL){ cout<<"\nThere is No Data to Display\n"; getch(); return(1); } return(0);}class weather{ public: double avgtemp[12]; char month[12][20]; weather(); void getdata(int m){ strcpy(month[m],returnMonth(m)); cout<<"\nEnter temperature for "<<month[m]<<" : ?\b"; cin>>avgtemp[m]; } void displaydata(int m){ cout<<setw(20)<<setprecision(2)<<setiosflags(ios::left) <<setiosflags(ios::showpoint) <<month[m]<<setw(10)<<setiosflags(ios::right)<<avgtemp[m]; } void displaytemp(int i){ cout<<setw(10)<<setprecision(2)<<setiosflags(ios::right) <<setiosflags(ios::showpoint)<<avgtemp[i]; } double returntemp(int i){ return(avgtemp[i]); } void loadfile(); void displaytempscale(); void updatedata(int m,double t) { strcpy(month[m],returnMonth(m)); avgtemp[m]=t; } int validate(double t){ if(t>55 || t < (-20)) return(1); else return(0); }};weather :: weather(){ for(int i=0;i<12;i++) { avgtemp[i]=0; month[i][0]=NULL; }}void weather :: loadfile(){ clrscr(); file.close(); char filename[20]=""; cout<<"\n\n\n"; cout<<"Enter Year (eg: 2001) : ?\b"; cin>>year; strcat(filename,"c:\\"); strcat(filename,"data"); strcat(filename,year); strcat(filename,".dat"); file.open(filename,ios::ate|ios::nocreate|ios::in|ios::out|ios::binary); if(file==NULL){ char ans; cout<<"\nFile Dose Not Exist\n" <<"Do you wan't to create it! (y or n) N : ?\b"; ans=getche(); if(ans=='y'|| ans=='Y'){ file.open(filename,ios::ate|ios::in|ios::out|ios::binary); cout<<"\n\nFile Created Successfully"; } else{ file; cout<<"\n\nFail to load data file"; } } else if(file!=NULL){ cout<<"\nData File is successfully loaded"; } getch();}void weather :: displaytempscale(){ int i,c=0; cout<<"\n\n"; for(i=1;i<=70;i++) { if(i<=10) cout<<"0"; else if(i<=20) cout<<"1"; else if(i<=30) cout<<"2"; else if(i<=40) cout<<"3"; else if(i<=50) cout<<"4"; else if(i<=60) cout<<"5"; else if(i<=70) cout<<"7"; } cout<<"\n"; for(i=1;i<=7;i++) { for(c=0;c<10;c++) cout<<c; } cout<<"\n";}void intro(){ clrscr(); cout<<"\n\n\n\n\n\n\n\n\t\t\t"; cout<<"Programmed By : Vivek Patel\n" <<"\t\t\tEmail : vivek_patel9@rediffmail.com\n" <<"\t\t\tWebsite : www.vivekpatel.cjb.net"; cout<<"\n\n\t\t\t"; cout<<"Thanks for using this software."; getch();}void main(){ char choice='1'; int cnt,i,j,iNum,totstars=0,location,m; double decNum,dNum,high=0,low=99999,avg=0,t; char c; weather obj; file.close(); do{ clrscr(); cout<<"\n\n"; cout<<"1> Select a year to work with\n" <<"2> Display data as Table\n" <<"3> Display data as horizontal histogram\n" <<"4> Display Yearly Statistics to date\n" <<"5> Record Data\n" <<"6> Change Data\n" <<"7> Save Data\n" <<"0> Exit\n" <<"Please enter a number (0...7) => "; choice=getche(); switch(choice){ case '0' : intro(); goto out; case '1' : obj.loadfile(); break; case '2' : clrscr(); cout<<"\n\n\n"; if(checkFile()){ goto endtable; } cout<<"\nTable of Temperature data for "<<year; cout<<"\n\n"; file.seekg(0,ios::end); cnt=file.tellg(); cnt=cnt/sizeof(obj); file.seekg(0,ios::beg); for(i=1;i<=cnt;i++) { if(i==1) cout<<"\nQuater 1 : "; else if(i==4) cout<<"\nQuater 2 : "; else if(i==7) cout<<"\nQuater 3 : "; else if(i==10) cout<<"\nQuater 4 : "; file.read((char *)&obj, sizeof(obj)); if(!file.eof()){ obj.displaytemp(i); } file.clear(); } getch(); endtable: break; case '3' : clrscr(); cout<<"\n\n\n"; if(checkFile()){ goto endhistogram; } cout<<"Histogram of Temperature data for "<<year; obj.displaytempscale(); file.seekg(0,ios::end); cnt=file.tellg(); cnt=cnt/sizeof(obj); file.seekg(0,ios::beg); for(i=1;i<=cnt;i++) { cout<<"\n"<<setw(15)<<setiosflags(ios::left)<<returnMonth(i); file.read((char *)&obj, sizeof(obj)); if(!file.eof()){ decNum=obj.returntemp(i); iNum=floor(decNum); dNum=decNum-iNum; totstars=iNum; if(dNum >= 0.5) totstars++; for(j=1;j<=totstars;j++) cout<<"*"; cout<<" "<<totstars; } file.clear(); } obj.displaytempscale(); getch(); endhistogram: break; case '4' : clrscr(); cout<<"\n\n\n"; if(checkFile()){ goto endstatus; } cout<<"Temperature Statistics data for "<<year; cnt=file.tellg(); cnt=cnt/sizeof(obj); file.seekg(0,ios::beg); high=avg=0; low=99999; for(i=1;i<=cnt;i++) { file.read((char *)&obj, sizeof(obj)); double tmp=obj.returntemp(i); if(!file.eof()){ if(high < tmp) high=tmp; if(low > tmp) low=tmp; avg=avg+tmp; } file.clear(); } avg=avg/double(cnt); cout<<"\n\nHighest Monthly Average : "<<high; cout<<"\nLowest Monthly Average : "<<low; cout<<"\nAverage Yearly Temperature : "<<avg; getch(); endstatus: break; case '5' : clrscr(); cout<<"\n\n\n"; if(checkFile()){ goto endRecord; } else{ cnt=file.tellg(); cnt=cnt/sizeof(obj); if(cnt==12) cout<<"\n\nData-Entry of "<<year<<" is already been done\n"; for(i=cnt+1;i<=12;i++) { enteragain: cout<<"\nDo u wan't to enter data for "<<returnMonth(i)<<" (Y or N) Y : ?\b"; c=getche(); if(c=='n' || c=='N') goto endRecord; obj.getdata(i); if(obj.validate(obj.returntemp(i))) { cout<<"\nInvalid Data Entry\n"; goto enteragain; } cin.get(c); file.write((char *) &obj, sizeof(obj)); } } getch(); endRecord: break; case '6' : clrscr(); cout<<"\n\n\n"; if(checkFile()){ goto endchange; } else{ cnt=file.tellg(); cnt=cnt/sizeof(obj); tryagain: cout<<"\nEnter Month (in digit) whose temperature is to be changed : ?\b"; cin>>m; if(m <= 0 || m > cnt){ cout<<"\n\nInvalid Month\n"; getch(); goto tryagain; } tempagain: cout<<"\nEnter Temperature : ?\b"; cin>>t; if(obj.validate(t)) { cout<<"\nInvalid Data Entry\n"; goto tempagain; } file.seekg(0,ios::beg); location= (m-1) * sizeof(obj); file.seekp(location); obj.updatedata(m,t); cin.get(c); file.write((char *) &obj, sizeof(obj))<<flush; } endchange: break; case '7' : clrscr(); cout<<"\n\n\n"; if(checkFile()){ goto endsave; } flush(file); cout<<"\nData in Memory is Saved successfully\n"; getch(); endsave: break; default : cout<<"\n\nInvalid Input\n"; getch(); } }while(choice!='0');flush(file);file.close();clrscr();out:}

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110 100010 0 00000 101 1011 111 0011 00 001 0011 1 000010 0 010 1001 1111 0100 111 0001 1011 011101 01 111 1 10101 00 11 001 0010 101 0 0 1101 00010 10110 000101 0010 011 100 000 001 000101 1001 10000 10 10 0 0 1 1 0000 0 0011 110 01000 00 101 11001 10011 110 100010 0 00000 101 1011 111 0011 00 001 0011 1 000010 0 010 1001 1111 0100 111 0001 1011 011101 01 111 1 10101 00 11 001 0010 101 0 0 1101 00010 10110 000101 0010 011 100 000 001 000101 1001 10000 10 10 0 0 1 1 0000 0 0011 110 01000 00 101 11001 10011 110 100010 0 00000 101 1011 111 0011 00 001 0011 1 000010 0 010 1001 1111 0100 111 0001 1011 011101 01 111 1 10101 00 11 001 0010 101 0 0 1101 00010 10110 000101 0010 011 100 000 001 000101 1001 10000 01 01111 10100 11111 1 00000 010111 11100 00 110 01 0000 1001 101110 111010 000100 000011 0 01111 00 001011 1101 1110 00111 0 00 1 1 100001 110010 11 0 1 110 000100 11 011110 111 01 01101 111 00010 11 1100 01101 10100 10101 0 011110 10100 11010 0 10001 11101 01111 10100 11111 1 00000 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