Skip to content

Instantly share code, notes, and snippets.

View peter0749's full-sized avatar

Kuang-Yu Jeng peter0749

46 followers · 48 following
View GitHub Profile
@peter0749
peter0749 / E_hw5.6.c
Created October 14, 2015 12:58
E_hw5.6.c
#include <stdio.h>
int main()
{
int year,month,day,day1,day2,sum=0,test;
scanf("%d",&test);
while(test!=0)
{
test--;
scanf("%d/%d/%d",&year,&month,&day);
if(year<1970||month>12||day>31||(month==2&&((day==30)||(day==31)))||(month==4&&day==31)||(month==6&&day==31)||(month==9&&day==31)||(month==11&&day==31))
@peter0749
peter0749 / gist:008f746277eacf9651d3
Created October 25, 2015 16:10
#include <stdio.h>
#include <stdlib.h>
int is_leap(int year) /*~自訂函式~判斷閏年函式*/
{
return (year % 400 == 0 || (year % 100 != 0 && year % 4 == 0));
}
int hm_days(int year,int mon) /*~自訂函式~一個月有幾天?...函式*/
{
@peter0749
peter0749 / dayif.c
Created October 25, 2015 16:11
#include <stdio.h>
#include <stdlib.h>
int is_leap(int year) /*~自訂函式~判斷閏年函式*/
{
return (year % 400 == 0 || (year % 100 != 0 && year % 4 == 0));
}
int hm_days(int year,int mon) /*~自訂函式~一個月有幾天?...函式*/
{
@peter0749
peter0749 / dayif_reversion.c
Created October 25, 2015 16:28
#include <stdio.h>
int main(void)
{
int hmday[13]={0,31,28,31,30,31,30,31,31,30,31,30};
int year,mon,dat;
while(scanf("%d/%d/%d",&year, &mon, &dat)>2)
{
hmday[2] = (year % 400 == 0 || (year % 100 != 0 && year % 4 == 0)) ? 29:28;
printf((year < 1970 || mon > 12 || mon < 1 || dat > hmday[mon] || dat < 1) ? "Wrong\n":"Yes!!\n");
@peter0749
peter0749 / 3n1_for_ZJ_c039.c
Created October 30, 2015 12:40
#include <stdio.h>
#include <stdlib.h>
#define MAX 1000001
int search[MAX]={0};
void swap(int*,int*);
int n(int, int);
@peter0749
peter0749 / mk_prime.c
Created November 1, 2015 11:14
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define MAX 46342
int bitmap[MAX]={0};
int prime_list[5000]={0};
void mk_prime(void);
int is_prime(int);
@peter0749
peter0749 / make_prime_1s.c
Created November 1, 2015 11:21
#include <stdio.h>
#include <stdlib.h>
#define MAX 46342
int bitmap[MAX]={0};
int prime_list[5000]={0};
void mk_prime(void);
int is_prime(int);
@peter0749
peter0749 / hw6-1.c
Created November 3, 2015 14:30
#include <stdio.h>
int main(void)
{
int i;
int sum = 0;
for(i=2;i<=10;i+=2)
sum+=i;
printf("%d",sum);
return 0;
@peter0749
peter0749 / hw6-3.c
Created November 3, 2015 14:38
#include <stdio.h>
int main(void)
{
int i, j;
for(i=1;i<=9;i++)
{
for(j=1;j<=9;j++)
//////////////請自行腦補XD///////////////
}
@peter0749
peter0749 / BlueBlueSkyXDD.c
Created November 7, 2015 12:45
#include <stdio.h>
#include <stdlib.h>
int main()
{
int input , num1 , num2 , s1[1000] , s2[1000] , s3[2000] , i , flag=0 , m , n , k=0 , l;
scanf("%d",&input);
for(i=0;i<input;i++)
{
scanf("%d%d",&num1,&num2);