Submission

PPPPP-P-PP

Score: 80

User: okji15019

Problemset: เลขดวง

Language: cpp

Time: 0.001 second

Submitted On: 2024-10-16 22:41:13

#include <stdio.h>
#include <string.h>
#include <math.h>

int main() {
	int mm, birthday, firstday, bdday, perm[4] = {1,1,1,1}, x = 1, enter = 0, nenter = 0, i;
	scanf("%d", &mm);
	scanf("%d", &firstday);
	scanf("%d", &birthday);
	int fd = firstday, fd2 = firstday;
	bdday = (birthday%7) + firstday - 1;
	if (bdday > 7) bdday -= 7;
	if (bdday == 1) perm[0] = 0;
	if (bdday == 7) perm[1] = 0;
	if (birthday == 1) perm[0] = 0;
	while (x <= mm) {
		if (fd>7) {
			fd = 1;
			enter++;
		}
		x++;
	}
	x = 0;
	for (i=0;i<=mm;i++) {
		if (fd2>7) {
			fd2 = 1;
			nenter++;
			x++;
		}
		if (enter == 1) {
			 if (bdday < x) {
			 	perm[2] = 0;
			 }
		}
	}
	int lastday = (firstday + mm - 1) % 7;
	if (lastday == 0) lastday = 7;
	if (birthday > mm - lastday) perm[3] = 0;
	//printf("%d\n", lastday);
	if (birthday == mm) perm[1] = 0;
	if (birthday < 8 - firstday) perm [2] = 0;
	int sum=0;
	if (perm[0] == 1) sum += birthday - 1;
	if (perm[1] == 1) sum += birthday + 1;
	if (perm[2] == 1) sum += birthday - 7;
	if (perm[3] == 1) sum += birthday + 7;
	//printf("%d %d %d %d\n", perm[0], perm[1], perm[2], perm[3]);
	printf("%d", sum);
	return 0;
}