Submission #17666

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
17666	2016-01-10 11:56:53	chatterboy	막대기 (KOI13_game)	C++14	0 / 100	111 ms	3936 KiB

game

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#include <cstdio>
#include <cstring>
#include <vector>
#include <map>
#include <algorithm>
using namespace std;
#define MAXN 100001
typedef long long ll;
struct Stick {
  int t, d;
};
int N, L;
Stick A[MAXN];
map<int,vector<int>> B, C; // t, d
ll cache[MAXN];
ll solve(int p) {
  ll &ret = cache[p];
  if (ret != -1) return ret;
  ret = 0;
  vector<int> vB = B[A[p].t];
  vector<int> vC = C[A[p].d];
  for (int i=0; i<vB.size(); ++i)
    if (p!=vB[i] && A[vB[i]].d>A[p].d)
      ret = max(ret, solve(vB[i]));
  for (int i=0; i<vC.size(); ++i)
    if (p!=vC[i] && A[vC[i]].t>A[p].t)
      ret = max(ret, solve(vC[i]));
  return ret=ret+L+abs(A[p].t-A[p].d);
}
int main() {
 
 
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• Subtask 1: 0 / 11
• Subtask 2: 0 / 13
• Subtask 3: 0 / 16
• Subtask 4: 0 / 22
• Subtask 5: 0 / 38