Submission #20002

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
20002	2016-02-25 08:21:26	yukariko	동전 (kriii4_E)	C++98	0 / 100	0 ms	1720 KiB

D

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#include <bits/stdc++.h>
using namespace std;
 
#define MOD 1000000007
 
typedef long long lld;
lld f(int n){
  if(n < 3) return 1;
  n -= 2;
  lld r = (1LL<<n);
  if(n>3) r -= (1LL<<(n-3));
  return r;
}
int main(){
  int n;
  while(~scanf("%d", &n))
    printf("%lld\n", f(n));
  return 0;
}
 
 
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• Subtask 1: 0 / 5
• Subtask 2: 0 / 95