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Added: hwolfe71_leapyear.c #386

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Added: hwolfe71_leapyear.c #386

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Added: hwolfe71_leapyear.c
hwolfe71 Oct 9, 2019
305df7b
Merge branch 'master' into hwolfe71_leapyear
wzhouwzhou Oct 3, 2021
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4 changes: 4 additions & 0 deletions CONTRIBUTORS.md
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Expand Up @@ -366,6 +366,10 @@ Coding Experience: Discord Bot Developer (Java) + misc. wrappers. <br>
Programming Languages: Python 2/3, Java 8<br>
Email: [email protected]

Name: [Herb Wolfe](http://github.com/hwolfe71)<br />
Coding Experience: Java, C, Visual Foxpro<br />
Email: [email protected]<br />

Name: [Shubham Patil](https://github.com/shubhamdpatil)
Place: Pune, India
Coding Experience: C, python
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14 changes: 14 additions & 0 deletions c/leapyear/hwolfe71_leapyear.c
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@@ -0,0 +1,14 @@
#include <stdio.h>
#include <stdbool.h>
#include <stdlib.h>

// To run, compile with gcc, or use make,
// and run the executable with the year as the parameter.
// e.g. hwolfe71_leapyear 2003

bool isLeapYear(int year) {return (year % 400 == 0) || ((year % 4 == 0) && (year % 100 != 0)); };

int main(int argc, char *argv[]) {
printf("%s %s a leap year.\n", argv[1], (isLeapYear(atoi(argv[1])) ? "is" : "isn't"));
}