Factorial program in C++ [call-by-reference]
Factorial program in C++ with call-by-reference
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#include<iostream> using namespace std; void Factorial(int, int *); int main() { int Mynum, fact=1; cout<<"Enter the Mynumber: "; cin>>Mynum; Factorial(Mynum, &fact); cout<<"\nFactorial = "<<fact; cout<<endl; return 0; } void Factorial(int n, int *f) { int i; for(i=n; i>=1; i--) *f = (*f)*i; } |
Output Enter the Number: 4 Factorial = 24
C++ Project download [Student Record Management System]
C++ Project download [Student Record Management System].
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#include <stdio.h> #include <string.h> #include <conio.h> #include <stdlib.h> #include <windows.h> struct student{ char ID[15]; char name[20]; char add[20]; char fathername[20]; int Section_Class; long unsigned int phone_no; }; struct student stu; ///This will set the forground color for printing in a console window. void SetColor(int ForgC) { WORD wColor; ///We will need this handle to get the current background attribute HANDLE hStdOut = GetStdHandle(STD_OUTPUT_HANDLE); CONSOLE_SCREEN_BUFFER_INFO csbi; ///We use csbi for the wAttributes word. if(GetConsoleScreenBufferInfo(hStdOut, &csbi)) { ///Mask out all but the background attribute, and add in the forgournd color wColor = (csbi.wAttributes & 0xF0) + (ForgC & 0x0F); SetConsoleTextAttribute(hStdOut, wColor); } return; } void ClearConsoleToColors(int ForgC, int BackC) { WORD wColor = ((BackC & 0x0F) << 4) + (ForgC & 0x0F); ///Get the handle to the current output buffer... HANDLE hStdOut = GetStdHandle(STD_OUTPUT_HANDLE); ///This is used to reset the carat/cursor to the top left. COORD coord = {0, 0}; ///A return value... indicating how many chars were written /// not used but we need to capture this since it will be /// written anyway (passing NULL causes an access violation). DWORD count; ///This is a structure containing all of the console info /// it is used here to find the size of the console. CONSOLE_SCREEN_BUFFER_INFO csbi; ///Here we will set the current color SetConsoleTextAttribute(hStdOut, wColor); if(GetConsoleScreenBufferInfo(hStdOut, &csbi)) { ///This fills the buffer with a given character (in this case 32=space). FillConsoleOutputCharacter(hStdOut, (TCHAR) 32, csbi.dwSize.X * csbi.dwSize.Y, coord, &count); FillConsoleOutputAttribute(hStdOut, csbi.wAttributes, csbi.dwSize.X * csbi.dwSize.Y, coord, &count ); ///This will set our cursor position for the next print statement. SetConsoleCursorPosition(hStdOut, coord); } return; } void SetColorAndBackground(int ForgC, int BackC) { WORD wColor = ((BackC & 0x0F) << 4) + (ForgC & 0x0F);; SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), wColor); return; } COORD coord = {0,0}; ///set the cordinate to 0, 0 (top-left corner of window); void gotoxy(int x, int y){ coord.X = x; coord.Y = y; /// X and Y coordinates SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), coord); } void drawRectangle(){ int i, j; gotoxy(0,0); printf("%c",201); for(i = 1; i < 78; i++){ gotoxy(i, 0); printf("%c",205); } gotoxy(78,0); printf("%c",187); for(i = 1; i < 25; i++){ gotoxy(78, i); if(i == 6){ printf("%c",185); }else{ printf("%c",186); } } gotoxy(78, 25); printf("%c",188); for(i = 77; i > 0; i--){ gotoxy(i,25); if(i == 35){ printf("%c",202); }else{ printf("%c",205); } } gotoxy(0,25); printf("%c",200); for(i = 24; i > 0; i--){ gotoxy(0,i); if(i == 6){ printf("%c",204); }else{ printf("%c",186); } } for(i = 1; i < 78; i++){ gotoxy(i,6); if(i == 35){ printf("%c",203); }else{ printf("%c",205); } } for(i = 7; i < 25; i++){ gotoxy(35,i); printf("%c",186); } } void clearWindow(){ int i,j; for(i = 37; i < 78; i++){ for(j = 7; j < 25; j++){ gotoxy(i,j);printf(" "); } } return; } void window(){ drawRectangle(); gotoxy(28,2); SetColor(35); printf("STUDENT RECORD SYSTEM"); gotoxy(20,3); printf("Tribhuvan University, Kathmandu, Nepal"); gotoxy(31,4); printf("Estd.: 2016 B.S."); gotoxy(25,24); SetColor(17); } void get_password(char* pass) { char temp_passP[25]; int i=0; while(1) { temp_passP[i]=getch(); if(temp_passP[i]==13){break;} else if(temp_passP[i]==8) { if(i!=0) { printf("\b \b"); i--; } else {printf("\a");} } else { printf("*"); *(pass+i) = temp_passP[i]; i++; } *(pass+i)='\0'; } } void use_pass_field(){ int x = 15, y = 16; int use; char pass[10]; SetColor(10); gotoxy(15,12);printf("The database is password protected."); gotoxy(15,13);printf(" Enter Valid username and password"); SetColor(17); gotoxy(20,x);printf("USERNAME:- "); gotoxy(20,y);printf("PASSWORD:- "); gotoxy(34,x);scanf("%d",use); gotoxy(34,y);get_password(pass); } void print_heading(const char st[]){ SetColorAndBackground(31,28); gotoxy(45,8);printf("SRS : %s",st); SetColorAndBackground(17,15); } int conf_record(char id[]){ // left for you //it checks whether the entered id for //new record is already in the database. } void add_student(){ clearWindow(); print_heading("Add Record"); int print = 37; FILE *fp; fp = fopen("record.txt","ab+"); SetColor(45); if(fp == NULL){ MessageBox(0,"Error in Opening file\nMake sure your file is not write protected","Warning",0); }else{ fflush(stdin); gotoxy(print,10);printf("ID: ");gets(stu.ID); //here you can confirms the ID gotoxy(print,12);printf("Name: ");gets(stu.name); gotoxy(print,14);printf("Address: ");gets(stu.add); gotoxy(print,16);printf("Parent's name: ");gets(stu.fathername); gotoxy(print,18);printf("Section_Class: ");scanf("%d",&stu.Section_Class); gotoxy(print,20);printf("Phone Number: ");scanf("%ld",&stu.phone_no); fwrite(&stu, sizeof(stu), 1, fp); gotoxy(40,22); printf("The record is sucessfully added"); } SetColor(28); fclose(fp); return; } void search_student(){ clearWindow(); print_heading("Search Record"); SetColor(45); char s_id[15]; int isFound = 0; gotoxy(37,10);printf("Enter ID to Search: ");fflush(stdin); gets(s_id); FILE *fp; fp = fopen("record.txt","rb"); while(fread(&stu,sizeof(stu),1,fp) == 1){ if(strcmp(s_id,stu.ID) == 0){ isFound = 1; break; } } if(isFound == 1){ gotoxy(37,12);printf("The record is Found"); gotoxy(37,14);printf("ID: %s",stu.ID); gotoxy(37,15);printf("Name: %s",stu.name); gotoxy(37,16);printf("Address: %s",stu.add); gotoxy(37,17);printf("Parent's Name: %s",stu.fathername); gotoxy(37,18);printf("Section_Class: %d",stu.Section_Class); gotoxy(37,19);printf("Phone No: %ld",stu.phone_no); }else{ gotoxy(37,12);printf("Sory, No record found in the database"); } SetColor(28); fclose(fp); return; } void mod_student(){ clearWindow(); print_heading("Modify Record"); SetColor(45); char s_id[15]; int isFound = 0, print = 37; gotoxy(37,10);printf("Enter ID to Modify: ");fflush(stdin); gets(s_id); FILE *fp; fp = fopen("record.txt","rb+"); while(fread(&stu, sizeof(stu),1,fp) == 1){ if(strcmp(s_id, stu.ID) == 0){ fflush(stdin); gotoxy(print,12);printf("ID: ");gets(stu.ID); gotoxy(print,13);printf("Name: ");gets(stu.name); gotoxy(print,14);printf("Address: ");gets(stu.add); gotoxy(print,15);printf("Parent's name: ");gets(stu.fathername); gotoxy(print,16);printf("Section_Class: ");scanf("%d",&stu.Section_Class); gotoxy(print,17);printf("Phone Number: ");scanf("%ld",&stu.phone_no); fseek(fp,-sizeof(stu), SEEK_CUR); fwrite(&stu,sizeof(stu), 1, fp); isFound = 1; break; } } if(!isFound){ gotoxy(print, 12);printf("No Record Found"); } fclose(fp); SetColor(28); return; } void gen_marksheet(){ //left for further enhancement } void delete_student(){ clearWindow(); print_heading("Delete Record"); SetColor(45); char s_id[15]; int isFound = 0, print = 37; gotoxy(37,10);printf("Enter ID to Modify: ");fflush(stdin); gets(s_id); FILE *fp, *temp; fp = fopen("record.txt","rb"); temp = fopen("temp.txt", "wb"); while(fread(&stu, sizeof(stu),1,fp) == 1){ if(strcmp(s_id, stu.ID) == 0){ fwrite(&stu,sizeof(stu),1,temp); } } fclose(fp); fclose(temp); remove("record.txt"); rename("temp.txt","record.txt"); gotoxy(37,12);printf("The record is sucessfully deleted"); SetColor(28); return; } void main_window(){ int choice; SetColor(28); int x = 2; while(1){ gotoxy(x,8);printf("1. Add Student"); gotoxy(x,10);printf("2. Search Student"); gotoxy(x,12);printf("3. Modify Student Record"); gotoxy(x,14);printf("4. Generate Marksheet"); gotoxy(x,16);printf("5. Delete Student Record"); gotoxy(x,18);printf("6. Change password"); gotoxy(x,20);printf("7. Exit"); gotoxy(x,22);printf("Enter your choice: "); scanf("%d",&choice); switch(choice){ case 1: add_student(); break; case 2: search_student(); break; case 3: mod_student(); break; case 4: break; case 5: delete_student(); break; case 6: break; case 7: exit(0); break; default: break; } } } int main(){ ClearConsoleToColors(17,15); SetConsoleTitle("Programming-technique.blogspot.com - Student Record System"); window(); //use_pass_field(); main_window(); return 0; } |
C++ Code Tic Tac Toe Game
Let me share with you C++ Code of Tic Tac Toe Game project.
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#include <iostream> using namespace std; char square[10] = {'o','1','2','3','4','5','6','7','8','9'}; int IsItWinner(); void board(); int main() { int Game_Player = 1,i,Selection; char mark; do { board(); Game_Player=(Game_Player%2)?1:2; cout << "Game_Player " << Game_Player << ", enter a number: "; cin >> Selection; mark=(Game_Player == 1) ? 'X' : 'O'; if (Selection == 1 && square[1] == '1') square[1] = mark; else if (Selection == 2 && square[2] == '2') square[2] = mark; else if (Selection == 3 && square[3] == '3') square[3] = mark; else if (Selection == 4 && square[4] == '4') square[4] = mark; else if (Selection == 5 && square[5] == '5') square[5] = mark; else if (Selection == 6 && square[6] == '6') square[6] = mark; else if (Selection == 7 && square[7] == '7') square[7] = mark; else if (Selection == 8 && square[8] == '8') square[8] = mark; else if (Selection == 9 && square[9] == '9') square[9] = mark; else { cout<<"Invalid or wrong move "; Game_Player--; cin.ignore(); cin.get(); } i=IsItWinner(); Game_Player++; }while(i==-1); board(); if(i==1) cout<<"==>\aGame_Player "<<--Game_Player<<" win "; else cout<<"==>\aGame draw"; cin.ignore(); cin.get(); return 0; } /* FUNCTION TO RETURN GAME STATUS 1 FOR GAME IS OVER WITH RESULT -1 FOR GAME IS IN PROGRESS O GAME IS OVER AND NO RESULT */ void board() { system("cls"); cout << "\n\n\tTic Tac Toe\n\n"; cout << "Game_Player 1 (X) - Game_Player 2 (O)" << endl << endl<< endl; cout << endl<< endl; cout << " | | " << endl<< endl; cout << " " << square[1] << " | " << square[2] << " | " << square[3] << endl<< endl; cout << "*******|*******|*******" << endl<< endl; cout << " | | " << endl<< endl; cout << " " << square[4] << " | " << square[5] << " | " << square[6] << endl<< endl; cout << "*******|*******|*******" << endl<< endl; cout << " | | " << endl<< endl; cout << " " << square[7] << " | " << square[8] << " | " << square[9] << endl<< endl; cout << " | | " << endl << endl<< endl; } int IsItWinner() { if (square[1] == square[2] && square[2] == square[3]) return 1; else if (square[4] == square[5] && square[5] == square[6]) return 1; else if (square[7] == square[8] && square[8] == square[9]) return 1; else if (square[1] == square[4] && square[4] == square[7]) return 1; else if (square[2] == square[5] && square[5] == square[8]) return 1; else if (square[3] == square[6] && square[6] == square[9]) return 1; else if (square[1] == square[5] && square[5] == square[9]) return 1; else if (square[3] == square[5] && square[5] == square[7]) return 1; else if (square[1] != '1' && square[2] != '2' && square[3] != '3' && square[4] != '4' && square[5] != '5' && square[6] != '6' && square[7] != '7' && square[8] != '8' && square[9] != '9') return 0; else return -1; } |
Output Tic Tac Toe Game_Player 1 (X) – Game_Player 2 (O) | | 1 | 2 | X *******|*******|******* | | O | X | 6 *******|*******|******* | | 7 | 8 | 9 | | Game_Player 2, enter a…
Doctor Appointment C++ Project
Free source code download for Doctor Appointment Project in C++
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#include <iostream> #include <string> #include <fstream> #include <cstring> using namespace std; int Booking() { system("cls"); cout<<"\n ||- Book Your Appointment || \n"; cout<<"\n ||- Availbale slots || \n"; //check if record already exist.. ifstream read; read.open("appointment.dat"); int hoursbook = 8; int arr[13] = {0,0,0,0,0,0,0,0,0,0,0,0,0}; int Found =0; if(read) { string line; char key = 'A'; int i = 9; while(getline(read, line)) { char temporary = line[0]; int index = (temporary - 65); arr[index]=1; Found = 1; } if(Found == 1) { cout<<"\n Appointment Summary by hours:"; char key = 'A'; int hours = 9; for(int i = 0; i<=12; i++) { if(i == 0){ if(arr[i] == 0) cout<<"\n "<<key<<"-> 0"<<hours<<" - Available"; else cout<<"\n "<<key<<"-> 0"<<hours<<" - Booked"; } else { if(arr[i] == 0) cout<<"\n "<<key<<"->"<<hours<<" - Available"; else cout<<"\n "<<key<<"->"<<hours<<" - Booked"; } hours++; key++; } } read.close(); } if(Found == 0){ cout<<"\n Appointment Available for following hours :"; char key = 'A'; for(int i = 9; i<=21; i++) { if(i==9) cout<<"\n "<<key<<" -> 0"<<i<<" - Available"; else cout<<"\n "<<key<<" -> "<<i<<" - Available"; key++; } } char choice; cout<<"\n\n Input your choice : "; cin>>choice; if( !(choice >= 'A' && choice <='Z')) { cout<"\n Error : Invalid Selection"; cout<<"\n Please selction correct value from menu A- Z"; cout<"\n Press any key to continue"; getchar();getchar(); system("cls"); Booking(); } int index = (choice-65 ); int isBooked = 1; if(arr[index] == 0) isBooked = 0; if(isBooked ==1) { cout<<"\n Error : Appointment is already booked for this Hour"; cout<<"\n Please select different time !!"; cout<<"\n Press any key to continue!!"; getchar();getchar(); system("cls"); Booking(); } string name; cout<<"\n Please Enter your first name:"; cin>>name; ofstream out; out.open("appointment.dat", ios::app); if(out){ out<<choice<<":"<<name.c_str()<<"\n"; out.close(); cout<<"\n Appointment booked for Hours : "<< (choice-65) + 9 <<" successfully !!"; } else { cout<<"\n Error while saving booking"; } cout<<"\n Please any key to continue.."; getchar(); getchar(); return 0; } int existingAppointment() { system("cls"); cout<<"\n ||- Appointments Summary || \n"; //check if record already exist.. ifstream read; read.open("appointment.dat"); int hoursbook = 8; int arr[13] = {0,0,0,0,0,0,0,0,0,0,0,0,0}; int Found =0; if(read) { string line; char key = 'A'; int i = 9; while(getline(read, line)) { char temporary = line[0]; int index = (temporary - 65); arr[index]=1; Found = 1; } if(Found == 1) { cout<<"\n Appointment Summary by hours:"; char key = 'A'; int hours = 9; for(int i = 0; i<=12; i++) { if(arr[i] == 0) cout<<"\n "<<key<<"->"<<hours<<" - Available"; else cout<<"\n "<<key<<"->"<<hours<<" - Booked"; hours++; key++; } } read.close(); } else { char key = 'A'; for(int i = 9; i<=21; i++) { if(i==9) cout<<"\n "<<key<<" -> 0"<<i<<" - Available"; else cout<<"\n "<<key<<" -> "<<i<<" - Available"; key++; } } cout<<"\n Please any key to continue.."; getchar(); getchar(); return 0; } int main(int argc, char** argv) { while(1) { system("cls"); cout<<"\t\t\tDoctor Appointment System\n"; cout<<"||||||||||||||||||||\n\n"; cout<<"Welcome to projectsinventory.com\n"; cout<<"Press1 For. Book Appointment\n"; cout<<"Press2 For. Check Existing Appointment\n"; cout<<"For 0 For. Exit\n"; int choice; cout<<"\n Please Enter you choice: "; cin>>choice; switch(choice) { case 1: Booking(); break; case 2: existingAppointment(); break; case 0: while(1) { system("cls"); cout<<"\n Are you sure, you want to exit? y | n \n"; char ex; cin>>ex; if(ex == 'y' || ex == 'Y') exit(0); else if(ex == 'n' || ex == 'N') { break; } else{ cout<<"\n Invalid choice !!!"; getchar(); } } break; default: cout<<"\n Invalid choice. Please Enter again "; getchar(); } } return 0; } |
Output Doctor Appointment System |||||||||||||||||||| Welcome to projectsinventory.com Press1 For. Book Appointment Press2 For. Check Existing Appointment For 0 For. Exit Please Enter you choice: 1 ||- Book Your Appointment || ||- Availbale slots || Appointment Available for following hours : A -> 09…
Database Design or Schema of Beauty Parlour/Salon Management system
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