Create a calendar for the year 2019, for a particular month (of your choosing ), highlight a particular date (also your choosing) with an asterisk. Make sure the calendar displays the week, the days of the week and the year. Make sure the MSU Programming Class appears in the title of the Calendar. I will choose May 1st for the month and date. The code below is what I will be using. Please show where I can go to in the code to place an asterisk for a different day and month.
#include<stdio.h>
#define TRUE 1
#define FALSE 0
int days_in_month[]={0,31,28,31,30,31,30,31,31,30,31,30,31};
char *months[]=
{
" ",
"\n\n\nJanuary",
"\n\n\nFebruary",
"\n\n\nMarch",
"\n\n\nApril",
"\n\n\nMay",
"\n\n\nJune",
"\n\n\nJuly",
"\n\n\nAugust",
"\n\n\nSeptember",
"\n\n\nOctober",
"\n\n\nNovember",
"\n\n\nDecember"
};
int inputyear(void)
{
int year;
printf("Please enter a year (example: 1999) : ");
scanf("%d", &year);
return year;
}
int determinedaycode(int year)
{
int daycode;
int d1, d2, d3;
d1 = (year - 1.)/ 4.0;
d2 = (year - 1.)/ 100.;
d3 = (year - 1.)/ 400.;
daycode = (year + d1 - d2 + d3) %7;
return daycode;
}
int determineleapyear(int year)
{
if((year% 4 == FALSE && year%100 != FALSE) || (year%400 == FALSE))
{
days_in_month[2] = 29;
return TRUE;
}
else
{
days_in_month[2] = 28;
return FALSE;
}
}
void calendar(int year, int daycode)
{
int month, day;
for ( month = 1; month <= 12; month++ )
{
printf("%s", months[month]);
printf("\n\nSun Mon Tue Wed Thu Fri Sat\n" );
// Correct the position for the first date
for ( day = 1; day <= 1 + daycode * 5; day++ )
{
printf(" ");
}
// Print all the dates for one month
for ( day = 1; day <= days_in_month[month]; day++ )
{
printf("%2d", day );
// Is day before Sat? Else start next line Sun.
if ( ( day + daycode ) % 7 > 0 )
printf(" " );
else
printf("\n " );
}
// Set position for next month
daycode = ( daycode + days_in_month[month] ) % 7;
}
}
int main(void)
{
int year, daycode, leapyear;
year = inputyear();
daycode = determinedaycode(year);
determineleapyear(year);
calendar(year, daycode);
printf("\n");
}The program has been modified to put an asterisk on the date entered by the user:
Code:
#include<stdio.h>
#include<string.h>
#define TRUE 1
#define FALSE 0
int
days_in_month[]={0,31,28,31,30,31,30,31,31,30,31,30,31};
char *months[]=
{
" ",
"\n\n\nJanuary",
"\n\n\nFebruary",
"\n\n\nMarch",
"\n\n\nApril",
"\n\n\nMay",
"\n\n\nJune",
"\n\n\nJuly",
"\n\n\nAugust",
"\n\n\nSeptember",
"\n\n\nOctober",
"\n\n\nNovember",
"\n\n\nDecember"
};
int inputyear(void)
{
int year;
printf("Please enter a year (example: 1999) : ");
scanf("%d", &year);
return year;
}
int determinedaycode(int year)
{
int daycode;
int d1, d2, d3;
d1 = (year - 1.)/ 4.0;
d2 = (year - 1.)/ 100.;
d3 = (year - 1.)/ 400.;
daycode = (year + d1 - d2 + d3) %7;
return daycode;
}
int determineleapyear(int year)
{
if((year% 4 == FALSE && year%100 != FALSE) || (year%400 ==
FALSE))
{
days_in_month[2] = 29;
return TRUE;
}
else
{
days_in_month[2] = 28;
return FALSE;
}
}
void calendar(int year, int daycode, int monthNum,int
dayNum)
{
int month, day;
for ( month = 1; month <= 12; month++ )
{
printf("%s", months[month]);
printf("\n\nSun Mon Tue Wed Thu Fri Sat\n" );
// Correct the position for the first date
for ( day = 1; day <= 1 + daycode * 5; day++ )
{
printf(" ");
}
// Print all the dates for one month
for ( day = 1; day <= days_in_month[month]; day++ )
{
if(monthNum==month && day==dayNum){
printf("%2d*", day );
}
else
printf("%2d", day );
// Is day before Sat? Else start next line Sun.
if ( ( day + daycode ) % 7 > 0 )
printf(" " );
else
printf("\n " );
}
// Set position for next month
daycode = ( daycode + days_in_month[month] ) % 7;
}
}
int getMonthNumber(char * month){
if(strcmp(month,"January")==0 || strcmp(month,"january")==0)return
1;
else if(strcmp(month,"February")==0 ||
strcmp(month,"february")==0)return 2;
else if(strcmp(month,"March")==0 || strcmp(month,"march")==0)return
3;
else if(strcmp(month,"April")==0 || strcmp(month,"april")==0)return
4;
else if(strcmp(month,"May")==0 || strcmp(month,"may")==0)return
5;
else if(strcmp(month,"June")==0 || strcmp(month,"june")==0)return
6;
else if(strcmp(month,"July")==0 || strcmp(month,"july")==0)return
7;
else if(strcmp(month,"August")==0 ||
strcmp(month,"august")==0)return 8;
else if(strcmp(month,"September")==0 ||
strcmp(month,"september")==0)return 9;
else if(strcmp(month,"October")==0 ||
strcmp(month,"october")==0)return 10;
else if(strcmp(month,"November")==0 ||
strcmp(month,"november")==0)return 11;
else if(strcmp(month,"December")==0 ||
strcmp(month,"december")==0)return 12;
}
int main(void)
{
int year, daycode, leapyear;
year = inputyear();
printf("Enter month (example: ):");
char month[20];
scanf("%s",month);
int day;
printf("Enter day :");
scanf("%d",&day);
int monthNum = getMonthNumber(month);
daycode = determinedaycode(year);
determineleapyear(year);
calendar(year, daycode,monthNum,day);
printf("\n");
}
Sample output:
Please enter a year (example: 1999) : 2019
Enter month (example: ):april
Enter day :21
1,21
January
Sun Mon Tue Wed Thu Fri Sat
1 2 3 4 5
6 7 8 9 10 11 12
13 14 15 16 17 18 19
20 21* 22 23 24 25 26
27 28 29 30 31
February
Sun Mon Tue Wed Thu Fri Sat
1 2
3 4 5 6 7 8 9
10 11 12 13 14 15 16
17 18 19 20 21 22 23
24 25 26 27 28
March
Sun Mon Tue Wed Thu Fri Sat
1 2
3 4 5 6 7 8 9
10 11 12 13 14 15 16
17 18 19 20 21 22 23
24 25 26 27 28 29 30
31
April
Sun Mon Tue Wed Thu Fri Sat
1 2 3 4 5 6
7 8 9 10 11 12 13
14 15 16 17 18 19 20
21 22 23 24 25 26 27
28 29 30
May
Sun Mon Tue Wed Thu Fri Sat
1 2 3 4
5 6 7 8 9 10 11
12 13 14 15 16 17 18
19 20 21 22 23 24 25
26 27 28 29 30 31
June
Sun Mon Tue Wed Thu Fri Sat
1
2 3 4 5 6 7 8
9 10 11 12 13 14 15
16 17 18 19 20 21 22
23 24 25 26 27 28 29
30
July
Sun Mon Tue Wed Thu Fri Sat
1 2 3 4 5 6
7 8 9 10 11 12 13
14 15 16 17 18 19 20
21 22 23 24 25 26 27
28 29 30 31
August
Sun Mon Tue Wed Thu Fri Sat
1 2 3
4 5 6 7 8 9 10
11 12 13 14 15 16 17
18 19 20 21 22 23 24
25 26 27 28 29 30 31
September
Sun Mon Tue Wed Thu Fri Sat
1 2 3 4 5 6 7
8 9 10 11 12 13 14
15 16 17 18 19 20 21
22 23 24 25 26 27 28
29 30
October
Sun Mon Tue Wed Thu Fri Sat
1 2 3 4 5
6 7 8 9 10 11 12
13 14 15 16 17 18 19
20 21 22 23 24 25 26
27 28 29 30 31
November
Sun Mon Tue Wed Thu Fri Sat
1 2
3 4 5 6 7 8 9
10 11 12 13 14 15 16
17 18 19 20 21 22 23
24 25 26 27 28 29 30
December
Sun Mon Tue Wed Thu Fri Sat
1 2 3 4 5 6 7
8 9 10 11 12 13 14
15 16 17 18 19 20 21
22 23 24 25 26 27 28
29 30 31
radas-macOS:Desktop radas$ g++ a.cpp
a.cpp:10:9: warning: conversion from string literal to 'char *' is
deprecated
[-Wc++11-compat-deprecated-writable-strings]
" ",
^
a.cpp:11:9: warning: conversion from string literal to 'char *' is
deprecated
[-Wc++11-compat-deprecated-writable-strings]
"\n\n\nJanuary",
^
a.cpp:12:9: warning: conversion from string literal to 'char *' is
deprecated
[-Wc++11-compat-deprecated-writable-strings]
"\n\n\nFebruary",
^
a.cpp:13:9: warning: conversion from string literal to 'char *' is
deprecated
[-Wc++11-compat-deprecated-writable-strings]
"\n\n\nMarch",
^
a.cpp:14:9: warning: conversion from string literal to 'char *' is
deprecated
[-Wc++11-compat-deprecated-writable-strings]
"\n\n\nApril",
^
a.cpp:15:9: warning: conversion from string literal to 'char *' is
deprecated
[-Wc++11-compat-deprecated-writable-strings]
"\n\n\nMay",
^
a.cpp:16:9: warning: conversion from string literal to 'char *' is
deprecated
[-Wc++11-compat-deprecated-writable-strings]
"\n\n\nJune",
^
a.cpp:17:9: warning: conversion from string literal to 'char *' is
deprecated
[-Wc++11-compat-deprecated-writable-strings]
"\n\n\nJuly",
^
a.cpp:18:9: warning: conversion from string literal to 'char *' is
deprecated
[-Wc++11-compat-deprecated-writable-strings]
"\n\n\nAugust",
^
a.cpp:19:9: warning: conversion from string literal to 'char *' is
deprecated
[-Wc++11-compat-deprecated-writable-strings]
"\n\n\nSeptember",
^
a.cpp:20:9: warning: conversion from string literal to 'char *' is
deprecated
[-Wc++11-compat-deprecated-writable-strings]
"\n\n\nOctober",
^
a.cpp:21:9: warning: conversion from string literal to 'char *' is
deprecated
[-Wc++11-compat-deprecated-writable-strings]
"\n\n\nNovember",
^
a.cpp:22:9: warning: conversion from string literal to 'char *' is
deprecated
[-Wc++11-compat-deprecated-writable-strings]
"\n\n\nDecember"
^
a.cpp:112:1: warning: control may reach end of non-void function
[-Wreturn-type]
}
^
14 warnings generated.
radas-macOS:Desktop radas$ ./a.out
Please enter a year (example: 1999) : 2019
Enter month (example: ):april
Enter day :21
4,21
January
Sun Mon Tue Wed Thu Fri Sat
1 2 3 4 5
6 7 8 9 10 11 12
13 14 15 16 17 18 19
20 21 22 23 24 25 26
27 28 29 30 31
February
Sun Mon Tue Wed Thu Fri Sat
1 2
3 4 5 6 7 8 9
10 11 12 13 14 15 16
17 18 19 20 21 22 23
24 25 26 27 28
March
Sun Mon Tue Wed Thu Fri Sat
1 2
3 4 5 6 7 8 9
10 11 12 13 14 15 16
17 18 19 20 21 22 23
24 25 26 27 28 29 30
31
April
Sun Mon Tue Wed Thu Fri Sat
1 2 3 4 5 6
7 8 9 10 11 12 13
14 15 16 17 18 19 20
21* 22 23 24 25 26 27
28 29 30
May
Sun Mon Tue Wed Thu Fri Sat
1 2 3 4
5 6 7 8 9 10 11
12 13 14 15 16 17 18
19 20 21 22 23 24 25
26 27 28 29 30 31
June
Sun Mon Tue Wed Thu Fri Sat
1
2 3 4 5 6 7 8
9 10 11 12 13 14 15
16 17 18 19 20 21 22
23 24 25 26 27 28 29
30
July
Sun Mon Tue Wed Thu Fri Sat
1 2 3 4 5 6
7 8 9 10 11 12 13
14 15 16 17 18 19 20
21 22 23 24 25 26 27
28 29 30 31
August
Sun Mon Tue Wed Thu Fri Sat
1 2 3
4 5 6 7 8 9 10
11 12 13 14 15 16 17
18 19 20 21 22 23 24
25 26 27 28 29 30 31
September
Sun Mon Tue Wed Thu Fri Sat
1 2 3 4 5 6 7
8 9 10 11 12 13 14
15 16 17 18 19 20 21
22 23 24 25 26 27 28
29 30
October
Sun Mon Tue Wed Thu Fri Sat
1 2 3 4 5
6 7 8 9 10 11 12
13 14 15 16 17 18 19
20 21 22 23 24 25 26
27 28 29 30 31
November
Sun Mon Tue Wed Thu Fri Sat
1 2
3 4 5 6 7 8 9
10 11 12 13 14 15 16
17 18 19 20 21 22 23
24 25 26 27 28 29 30
December
Sun Mon Tue Wed Thu Fri Sat
1 2 3 4 5 6 7
8 9 10 11 12 13 14
15 16 17 18 19 20 21
22 23 24 25 26 27 28
29 30 31
radas-macOS:Desktop radas$ clear
radas-macOS:Desktop radas$ g++ a.cpp
a.cpp:10:9: warning: conversion from string literal to 'char *' is
deprecated
[-Wc++11-compat-deprecated-writable-strings]
" ",
^
a.cpp:11:9: warning: conversion from string literal to 'char *' is
deprecated
[-Wc++11-compat-deprecated-writable-strings]
"\n\n\nJanuary",
^
a.cpp:12:9: warning: conversion from string literal to 'char *' is
deprecated
[-Wc++11-compat-deprecated-writable-strings]
"\n\n\nFebruary",
^
a.cpp:13:9: warning: conversion from string literal to 'char *' is
deprecated
[-Wc++11-compat-deprecated-writable-strings]
"\n\n\nMarch",
^
a.cpp:14:9: warning: conversion from string literal to 'char *' is
deprecated
[-Wc++11-compat-deprecated-writable-strings]
"\n\n\nApril",
^
a.cpp:15:9: warning: conversion from string literal to 'char *' is
deprecated
[-Wc++11-compat-deprecated-writable-strings]
"\n\n\nMay",
^
a.cpp:16:9: warning: conversion from string literal to 'char *' is
deprecated
[-Wc++11-compat-deprecated-writable-strings]
"\n\n\nJune",
^
a.cpp:17:9: warning: conversion from string literal to 'char *' is
deprecated
[-Wc++11-compat-deprecated-writable-strings]
"\n\n\nJuly",
^
a.cpp:18:9: warning: conversion from string literal to 'char *' is
deprecated
[-Wc++11-compat-deprecated-writable-strings]
"\n\n\nAugust",
^
a.cpp:19:9: warning: conversion from string literal to 'char *' is
deprecated
[-Wc++11-compat-deprecated-writable-strings]
"\n\n\nSeptember",
^
a.cpp:20:9: warning: conversion from string literal to 'char *' is
deprecated
[-Wc++11-compat-deprecated-writable-strings]
"\n\n\nOctober",
^
a.cpp:21:9: warning: conversion from string literal to 'char *' is
deprecated
[-Wc++11-compat-deprecated-writable-strings]
"\n\n\nNovember",
^
a.cpp:22:9: warning: conversion from string literal to 'char *' is
deprecated
[-Wc++11-compat-deprecated-writable-strings]
"\n\n\nDecember"
^
a.cpp:111:1: warning: control may reach end of non-void function
[-Wreturn-type]
}
^
14 warnings generated.
radas-macOS:Desktop radas$ clear
radas-macOS:Desktop radas$ ./a.out
Please enter a year (example: 1999) : 2019
Enter month (example: ):april
Enter day :21
January
Sun Mon Tue Wed Thu Fri Sat
1 2 3 4 5
6 7 8 9 10 11 12
13 14 15 16 17 18 19
20 21 22 23 24 25 26
27 28 29 30 31
February
Sun Mon Tue Wed Thu Fri Sat
1 2
3 4 5 6 7 8 9
10 11 12 13 14 15 16
17 18 19 20 21 22 23
24 25 26 27 28
March
Sun Mon Tue Wed Thu Fri Sat
1 2
3 4 5 6 7 8 9
10 11 12 13 14 15 16
17 18 19 20 21 22 23
24 25 26 27 28 29 30
31
April
Sun Mon Tue Wed Thu Fri Sat
1 2 3 4 5 6
7 8 9 10 11 12 13
14 15 16 17 18 19 20
21* 22 23 24 25 26 27
28 29 30
May
Sun Mon Tue Wed Thu Fri Sat
1 2 3 4
5 6 7 8 9 10 11
12 13 14 15 16 17 18
19 20 21 22 23 24 25
26 27 28 29 30 31
June
Sun Mon Tue Wed Thu Fri Sat
1
2 3 4 5 6 7 8
9 10 11 12 13 14 15
16 17 18 19 20 21 22
23 24 25 26 27 28 29
30
July
Sun Mon Tue Wed Thu Fri Sat
1 2 3 4 5 6
7 8 9 10 11 12 13
14 15 16 17 18 19 20
21 22 23 24 25 26 27
28 29 30 31
August
Sun Mon Tue Wed Thu Fri Sat
1 2 3
4 5 6 7 8 9 10
11 12 13 14 15 16 17
18 19 20 21 22 23 24
25 26 27 28 29 30 31
September
Sun Mon Tue Wed Thu Fri Sat
1 2 3 4 5 6 7
8 9 10 11 12 13 14
15 16 17 18 19 20 21
22 23 24 25 26 27 28
29 30
October
Sun Mon Tue Wed Thu Fri Sat
1 2 3 4 5
6 7 8 9 10 11 12
13 14 15 16 17 18 19
20 21 22 23 24 25 26
27 28 29 30 31
November
Sun Mon Tue Wed Thu Fri Sat
1 2
3 4 5 6 7 8 9
10 11 12 13 14 15 16
17 18 19 20 21 22 23
24 25 26 27 28 29 30
December
Sun Mon Tue Wed Thu Fri Sat
1 2 3 4 5 6 7
8 9 10 11 12 13 14
15 16 17 18 19 20 21
22 23 24 25 26 27 28
29 30 31
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