Submission #20647

#	Time	Username	Problem	Language	Result	Execution time	Memory
20647		model_code	타일 장식물 (KOI16_bb)	C++14	100 / 100	0 ms	1116 KiB

bb

#include<stdio.h>
int n;
long long int fib[100];
int main() {
int i;
scanf("%d", &n);
fib[1] = 1;
for (i = 0; i <= n; i++) {
fib[i + 2] = fib[i] + fib[i + 1];
}
printf("%lld\n", fib[n + 2] * 2);
return 0;
}

Compilation message (stderr)

bb.cpp: In function 'int main()':
bb.cpp:6:16: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
 scanf("%d", &n);
                ^

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