This is a program which tells you the day on a specific date. This code is written in C Programming Language. This could help in increase productivity and time management. The program takes as input a formatted date(DD MM YYYY) and returns the day on that date.
This program includes a Note for each date. You can add notes to any date of your choice and you can also ask for all days of a particular month in this format(MM YYYY). These are some key Features of this program
Features of C Project
Project includes a detailed interface to interact, which makes this program user-friendly
PC with 2GB Ram
Codeblocks IDE with GNU compiler
200kb of storage
Example code
#include<stdio.h> #include<conio.h> #include<windows.h> struct Date{ int dd; int mm; int yy; }; struct Date date; struct Remainder{ int dd; int mm; char note[50]; }; struct Remainder R; COORD xy = {0, 0}; void gotoxy (int x, int y) { xy.X = x; xy.Y = y; // X and Y coordinates SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), xy); } //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 ClearColor(){ SetColor(15); } 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; } int check_leapYear(int year){ //checks whether the year passed is leap year or not if(year % 400 == 0 || (year % 100!=0 && year % 4 ==0)) return 1; return 0; } void increase_month(int *mm, int *yy){ //increase the month by one ++*mm; if(*mm > 12){ ++*yy; *mm = *mm - 12; } } void decrease_month(int *mm, int *yy){ //decrease the month by one --*mm; if(*mm < 1){ --*yy; if(*yy<1600){ printf("No record available"); return; } *mm = *mm + 12; } } int getNumberOfDays(int month,int year){ //returns the number of days in given month switch(month){ //and year case 1 : return(31); case 2 : if(check_leapYear(year)==1) return(29); else return(28); case 3 : return(31); case 4 : return(30); case 5 : return(31); case 6 : return(30); case 7 : return(31); case 8 : return(31); case 9 : return(30); case 10: return(31); case 11: return(30); case 12: return(31); default: return(-1); } } char *getName(int day){ //returns the name of the day switch(day){ case 0 :return("Sunday"); case 1 :return("Monday"); case 2 :return("Tuesday"); case 3 :return("Wednesday"); case 4 :return("Thursday"); case 5 :return("Friday"); case 6 :return("Saturday"); default:return("Error in getName() module.Invalid argument passed"); } } void print_date(int mm, int yy){ //prints the name of month and year printf("---------------------------\n"); gotoxy(25,6); switch(mm){ case 1: printf("January"); break; case 2: printf("February"); break; case 3: printf("March"); break; case 4: printf("April"); break; case 5: printf("May"); break; case 6: printf("June"); break; case 7: printf("July"); break; case 8: printf("August"); break; case 9: printf("September"); break; case 10: printf("October"); break; case 11: printf("November"); break; case 12: printf("December"); break; } printf(" , %d", yy); gotoxy(20,7); printf("---------------------------"); } int getDayNumber(int day,int mon,int year){ //retuns the day number int res = 0, t1, t2, y = year; year = year - 1600; while(year >= 100){ res = res + 5; year = year - 100; } res = (res % 7); t1 = ((year - 1) / 4); t2 = (year-1)-t1; t1 = (t1*2)+t2; t1 = (t1%7); res = res + t1; res = res%7; t2 = 0; for(t1 = 1;t1 < mon; t1++){ t2 += getNumberOfDays(t1,y); } t2 = t2 + day; t2 = t2 % 7; res = res + t2; res = res % 7; if(y > 2000) res = res + 1; res = res % 7; return res; } char *getDay(int dd,int mm,int yy){ int day; if(!(mm>=1 && mm<=12)){ return("Invalid month value"); } if(!(dd>=1 && dd<=getNumberOfDays(mm,yy))){ return("Invalid date"); } if(yy>=1600){ day = getDayNumber(dd,mm,yy); day = day%7; return(getName(day)); }else{ return("Please give year more than 1600"); } } int checkNote(int dd, int mm){ FILE *fp; fp = fopen("note.dat","rb"); if(fp == NULL){ printf("Error in Opening the file"); } while(fread(&R,sizeof(R),1,fp) == 1){ if(R.dd == dd && R.mm == mm){ fclose(fp); return 1; } } fclose(fp); return 0; } void printMonth(int mon,int year,int x,int y){ //prints the month with all days int nod, day, cnt, d = 1, x1 = x, y1 = y, isNote = 0; if(!(mon>=1 && mon<=12)){ printf("INVALID MONTH"); getch(); return; } if(!(year>=1600)){ printf("INVALID YEAR"); getch(); return; } gotoxy(20,y); print_date(mon,year); y += 3; gotoxy(x,y); printf("S M T W T F S "); y++; nod = getNumberOfDays(mon,year); day = getDayNumber(d,mon,year); switch(day){ //locates the starting day in calender case 0 : x=x; cnt=1; break; case 1 : x=x+4; cnt=2; break; case 2 : x=x+8; cnt=3; break; case 3 : x=x+12; cnt=4; break; case 4 : x=x+16; cnt=5; break; case 5 : x=x+20; cnt=6; break; case 6 : x=x+24; cnt=7; break; default : printf("INVALID DATA FROM THE getOddNumber()MODULE"); return; } gotoxy(x,y); if(cnt == 1){ SetColor(12); } if(checkNote(d,mon)==1){ SetColorAndBackground(15,12); } printf("%02d",d); SetColorAndBackground(15,1); for(d=2;d<=nod;d++){ if(cnt%7==0){ y++; cnt=0; x=x1-4; } x = x+4; cnt++; gotoxy(x,y); if(cnt==1){ SetColor(12); }else{ ClearColor(); } if(checkNote(d,mon)==1){ SetColorAndBackground(15,12); } printf("%02d",d); SetColorAndBackground(15,1); } gotoxy(8, y+2); SetColor(14); printf("Press 'n' to Next, Press 'p' to Previous and 'q' to Quit"); gotoxy(8,y+3); printf("Red Background indicates the NOTE, Press 's' to see note: "); ClearColor(); } void AddNote(){ FILE *fp; fp = fopen("note.dat","ab+"); system("cls"); gotoxy(5,7); printf("Enter the date(DD/MM): "); scanf("%d%d",&R.dd, &R.mm); gotoxy(5,8); printf("Enter the Note(50 character max): "); fflush(stdin); scanf("%[^\n]",R.note); if(fwrite(&R,sizeof(R),1,fp)){ gotoxy(5,12); puts("Note is saved sucessfully"); fclose(fp); }else{ gotoxy(5,12); SetColor(12); puts("\aFail to save!!\a"); ClearColor(); } gotoxy(5,15); printf("Press any key............"); getch(); fclose(fp); } void showNote(int mm){ FILE *fp; int i = 0, isFound = 0; system("cls"); fp = fopen("note.dat","rb"); if(fp == NULL){ printf("Error in opening the file"); } while(fread(&R,sizeof(R),1,fp) == 1){ if(R.mm == mm){ gotoxy(10,5+i); printf("Note %d Day = %d: %s", i+1, R.dd, R.note); isFound = 1; i++; } } if(isFound == 0){ gotoxy(10,5); printf("This Month contains no note"); } gotoxy(10,7+i); printf("Press any key to back......."); getch(); } int main(){ ClearConsoleToColors(15, 1); SetConsoleTitle("Calender Project - Programming-technique.blogspot.com"); int choice; char ch = 'a'; while(1){ system("cls"); printf("1. Find Out the Day\n"); printf("2. Print all the day of month\n"); printf("3. Add Note\n"); printf("4. EXIT\n"); printf("ENTER YOUR CHOICE : "); scanf("%d",&choice); system("cls"); switch(choice){ case 1: printf("Enter date (DD MM YYYY) : "); scanf("%d %d %d",&date.dd,&date.mm,&date.yy); printf("Day is : %s",getDay(date.dd,date.mm,date.yy)); printf("\nPress any key to continue......"); getch(); break; case 2 : printf("Enter month and year (MM YYYY) : "); scanf("%d %d",&date.mm,&date.yy); system("cls"); while(ch!='q'){ printMonth(date.mm,date.yy,20,5); ch = getch(); if(ch == 'n'){ increase_month(&date.mm,&date.yy); system("cls"); printMonth(date.mm,date.yy,20,5); }else if(ch == 'p'){ decrease_month(&date.mm,&date.yy); system("cls"); printMonth(date.mm,date.yy,20,5); }else if(ch == 's'){ showNote(date.mm); system("cls"); } } break; case 3: AddNote(); break; case 4 : exit(0); } } return 0; } |
below are the outputs while run the application
Enter Date for which you want to know Day
Let's take Aug 15, 1947. It was Friday
Let's check on our program, and you see it says FRIDAY
We can also add Notes to any date of our choice
This is how a note added looks like in this program
As we can see it creates a .dat File for Notes created
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