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C++ Programming Fundamentals: Population, Age Comparison, and More

This document showcases various C++ programming concepts through practical examples. Included are implementations for displaying city populations, conducting age comparisons with conditional statements, solving quadratic equations, and generating Fibonacci series. Further, it demonstrates how to format output using the iomanip library, perform numeric operations, and use basic input-output techniques. Suitable for beginners and students in computer sciences, these examples provide hands-on coding experience while honing C++ skills.

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C++ Programming Fundamentals: Population, Age Comparison, and More

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  1. C++ CODES PART#03 COPY RIGHT@ ENGR.SABA MUGHAL FROM COMPUTER SYSTEMS DEPARTMENT

  2. SETW AND IOMANIP.H # include <constream.h> # include<iomanip.h> void main() { clrscr(); long pop1=2425785, pop2=47, pop3=9761; cout<<setw(9)<<"LOCATION"<<setw(12)<<"POPULATION"<<endl COPY RIGHT@ ENGR.SABA MUGHAL FROM COMPUTER SYSTEMS DEPARTMENT

  3. CONTINUE… <<setw(9)<<"Hyderabad"<<setw(12)<<pop1<<endl <<setw(9)<<"Karachi"<<setw(12)<<pop2<<endl<<setw(9)<<"Lahore"<<setw(12)<<pop3<<endl; cout<<"\a"; getche(); } COPY RIGHT@ ENGR.SABA MUGHAL FROM COMPUTER SYSTEMS DEPARTMENT

  4. OUTPUT…. COPY RIGHT@ ENGR.SABA MUGHAL FROM COMPUTER SYSTEMS DEPARTMENT

  5. SETW #include<iostream.h> #include<conio.h> #include<iomanip.h> void main() { clrscr(); cout<<setw(40)<<"ENGR.SABA MUGHAL"; COPY RIGHT@ ENGR.SABA MUGHAL FROM COMPUTER SYSTEMS DEPARTMENT

  6. CONTINUE… cout<<setw(10)<<"ITC"<<endl; cout<<setw(10)<<123; getch(); } COPY RIGHT@ ENGR.SABA MUGHAL FROM COMPUTER SYSTEMS DEPARTMENT

  7. OUTPUT….. COPY RIGHT@ ENGR.SABA MUGHAL FROM COMPUTER SYSTEMS DEPARTMENT

  8. QUADRATIC EQUATION IN PROGRAM #include<constream.h> #include<math.h> #define sqrt void main(void) { clrscr(); float a,b,c,x1,x2; cout<<"Enter values for a, b& c " ; COPY RIGHT@ ENGR.SABA MUGHAL FROM COMPUTER SYSTEMS DEPARTMENT

  9. CONTINUE…. cin>>a>>b>>c; x1=(-b+sqrt(b*b-4*a*c))/(2*a); x1=(-b-sqrt(b*b-4*a*c))/(2*a); cout<<"The roots of Qudratic Equation are "<<x1; cout<<"\n And\t"<<x2; getche(); } COPY RIGHT@ ENGR.SABA MUGHAL FROM COMPUTER SYSTEMS DEPARTMENT

  10. OUTPUT…. COPY RIGHT@ ENGR.SABA MUGHAL FROM COMPUTER SYSTEMS DEPARTMENT

  11. ENDL AND ADDING NUMBERS #include<iostream.h> #include<conio.h> void main() { clrscr(); int a=10; int b=a+20; COPY RIGHT@ ENGR.SABA MUGHAL FROM COMPUTER SYSTEMS DEPARTMENT

  12. CONTINUE…. float d=3.24; intans=b+d; cout<<a<<endl<<b<<endl<<ans; getch(); } COPY RIGHT@ ENGR.SABA MUGHAL FROM COMPUTER SYSTEMS DEPARTMENT

  13. OUTPUT….. 10 30 33 COPY RIGHT@ ENGR.SABA MUGHAL FROM COMPUTER SYSTEMS DEPARTMENT

  14. USING \t # include<constream.h> void main() { clrscr(); int a=1234; int b=56; cout<<"\n"<<a<<"\t"<<b; getche(); } COPY RIGHT@ ENGR.SABA MUGHAL FROM COMPUTER SYSTEMS DEPARTMENT

  15. Output…………….. COPY RIGHT@ ENGR.SABA MUGHAL FROM COMPUTER SYSTEMS DEPARTMENT

  16. IF AND ELSE STATEMENT #include <iostream.h> #include <conio.h> void main() { clrscr(); int agep1,agep2; cout<<"Input Age of first person"; cin>>agep1; COPY RIGHT@ ENGR.SABA MUGHAL FROM COMPUTER SYSTEMS DEPARTMENT

  17. CONTINUE…. cout<<"Input Age of 2nd person"; cin>>agep2; clrscr(); if(agep1>agep2) { cout<<"First Person in Elder "; cout<<(agep1-agep2)<<" Years"; } COPY RIGHT@ ENGR.SABA MUGHAL FROM COMPUTER SYSTEMS DEPARTMENT

  18. CONTINUE…. else { cout<<"2nd Person is Elder"; cout<<(agep2-agep1)<<" Years"; } getch(); } COPY RIGHT@ ENGR.SABA MUGHAL FROM COMPUTER SYSTEMS DEPARTMENT

  19. OUTPUT…. COPY RIGHT@ ENGR.SABA MUGHAL FROM COMPUTER SYSTEMS DEPARTMENT

  20. FIBONACCI SERIES #include<iostream.h> #include<conio.h> void main() { clrscr(); int a=1,b=1,ans=0; cout<<a<<" "<<b<<" "; for (inti=1;i<=10;i++) COPY RIGHT@ ENGR.SABA MUGHAL FROM COMPUTER SYSTEMS DEPARTMENT

  21. CONTINUE…. { //int a=1,ans=0; //cout<<a<<" "; ans=a+b; cout<<ans<<" "; a=b; b=ans; } getche(); } COPY RIGHT@ ENGR.SABA MUGHAL FROM COMPUTER SYSTEMS DEPARTMENT

  22. OUTPUT… COPY RIGHT@ ENGR.SABA MUGHAL FROM COMPUTER SYSTEMS DEPARTMENT

  23. IF/ELSE STATEMENT #include<iostream.h> #include<conio.h> void main() { clrscr(); int m1,m2,m3,m4,m5; float perc,tot; cin>>m1>>m2>>m3>>m4>>m5; COPY RIGHT@ ENGR.SABA MUGHAL FROM COMPUTER SYSTEMS DEPARTMENT

  24. CONTINUE…. tot=m1+m2+m3+m4+m5; perc=tot/550*100; if (perc>=90 && perc<=100) { cout<<"A1 Grade";cout<<'\t'<<perc;} else if(perc<90 && perc>=80){ cout<<"A grade";cout<<'\t'<<perc;} COPY RIGHT@ ENGR.SABA MUGHAL FROM COMPUTER SYSTEMS DEPARTMENT

  25. CONTINUE…. else if(perc<80 && perc>=70){ cout<<"B grade";cout<<'\t'<<perc;} else { cout<<"Improve";cout<<'\t'<<perc;} getch(); } COPY RIGHT@ ENGR.SABA MUGHAL FROM COMPUTER SYSTEMS DEPARTMENT

  26. OUTPUT…. COPY RIGHT@ ENGR.SABA MUGHAL FROM COMPUTER SYSTEMS DEPARTMENT

  27. Nice wordings COPY RIGHT@ ENGR.SABA MUGHAL FROM COMPUTER SYSTEMS DEPARTMENT

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