제출 #19883

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
19883	2016-02-25 06:38:54	qataro	동전 (kriii4_E)	C++98	0 / 100	0 ms	1576 KiB

D

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#include <cstdio>
#include <vector>
using namespace std;
int main()
{
  int n;
  scanf("%d", &n);
  vector<long long> winCnt(n + 3);
  winCnt[1] = 1;
  winCnt[2] = 1;
  winCnt[3] = 2;
  for(int idx = 4; idx <= n; idx++)
    winCnt[idx] = winCnt[idx - 1] + 2 * (idx - 3);
  
  printf("%lld", winCnt[n]);
  return 0;
}
 
 
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• Subtask 1: 0 / 5
• Subtask 2: 0 / 95