Submission #204466

#	Time	Username	Problem	Language	Result	Execution time	Memory
204466		14kg	타일 장식물 (KOI16_bb)	C++11	100 / 100	6 ms	504 KiB

bb

#include <stdio.h>

int n;
long long dp[81];

int main() {
	scanf("%d", &n), dp[1] = 1, dp[2] = 1;
	for (int i = 3; i <= n; i++) dp[i] = dp[i - 1] + dp[i - 2];
	printf("%lld", dp[n] * 4 + dp[n - 1] * 2);
}

Compilation message (stderr)

bb.cpp: In function 'int main()':
bb.cpp:7:28: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &n), dp[1] = 1, dp[2] = 1;
  ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~

• Subtask 1: 21 / 21
• Subtask 2: 53 / 53
• Subtask 3: 26 / 26