(cache)Submission #73515798 - AtCoder Beginner Contest 433

Contest Duration: 2025-11-22(Sat) 21:00 - 2025-11-22(Sat) 22:40 (local time) (100 minutes) Back to Home

Submission #73515798

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#include <stdio.h>
int main(void) {
  int X, Y, Z;
  int mofu;
  if (scanf("%d%d%d", &X, &Y, &Z) != 3) return 1;
  mofu = X - Y * Z;
  puts(mofu >= 0 && mofu % (Z - 1) == 0 ? "Yes" : "No");
  return 0;
}
/*
(X + k) == (Y + k) * Z
X - Y * Z == (Z - 1) * k
k = (X - Y * Z) / (Z - 1)
*/
 
 
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#include <stdio.h>

int main(void) {
	int X, Y, Z;
	int mofu;
	if (scanf("%d%d%d", &X, &Y, &Z) != 3) return 1;
	mofu = X - Y * Z;
	puts(mofu >= 0 && mofu % (Z - 1) == 0 ? "Yes" : "No");
	return 0;
}

/*

(X + k) == (Y + k) * Z
X - Y * Z == (Z - 1) * k
k = (X - Y * Z) / (Z - 1)

*/

Submission Info

Submission Time	2026-02-22 01:06:20
Task	A - Happy Birthday! 4
User	mikecat
Language	C23 (GCC 14.2.0)
Score	100
Code Size	300 Byte
Status	AC
Exec Time	0 ms
Memory	1684 KiB

Judge Result

Set Name

Sample

All

Score / Max Score

0 / 0

100 / 100

Status

× 4

× 17

Set Name	Test Cases
Sample	00_sample_00.txt, 00_sample_01.txt, 00_sample_02.txt, 00_sample_03.txt
All	00_sample_00.txt, 00_sample_01.txt, 00_sample_02.txt, 00_sample_03.txt, 01_random_00.txt, 01_random_01.txt, 01_random_02.txt, 01_random_03.txt, 01_random_04.txt, 01_random_05.txt, 01_random_06.txt, 01_random_07.txt, 01_random_08.txt, 01_random_09.txt, 01_random_10.txt, 01_random_11.txt, 01_random_12.txt

Case Name	Status	Memory
00_sample_00.txt	AC	1576 KiB
00_sample_01.txt	AC	1608 KiB
00_sample_02.txt	AC	1576 KiB
00_sample_03.txt	AC	1608 KiB
01_random_00.txt	AC	1528 KiB
01_random_01.txt	AC	1636 KiB
01_random_02.txt	AC	1608 KiB
01_random_03.txt	AC	1636 KiB
01_random_04.txt	AC	1684 KiB
01_random_05.txt	AC	1652 KiB
01_random_06.txt	AC	1628 KiB
01_random_07.txt	AC	1576 KiB
01_random_08.txt	AC	1576 KiB
01_random_09.txt	AC	1628 KiB
01_random_10.txt	AC	1644 KiB
01_random_11.txt	AC	1576 KiB
01_random_12.txt	AC	1644 KiB