제출 #19006

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
19006	2016-02-17 02:56:00	kriii	동전 (kriii4_E)	C++14	100 / 100	12 ms	1596 KiB

D

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#include <stdio.h>
const long long mod = 1000000007;
void add(long long &a, long long b)
{
  a = (a + b) % mod;
}
long long dyn[256][256];
int main()
{
  int N; scanf ("%d",&N); N++;
  dyn[0][0] = 1;
  for (int i=0;i<N;i++) for (int x=0;x<256;x++) if (dyn[i][x]){
    for (int k=1;i+k<=N;k++) add(dyn[i+k][x^(k-1)],dyn[i][x]);
  }
  printf ("%lld\n",dyn[N][0]);
  return 0;
}
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 95 / 95