Submission #24954

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
24954	2017-06-18 03:35:11	Hiasat	Shortcut (IOI16_shortcut)	C++14	0 / 100	0 ms	72452 KiB

shortcut

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#include "shortcut.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int N = 3000;
const ll INF = 1e18;
ll L[N], R[N], mxL[N], mxR[N], pre[N];
vector<int> d, l;
ll dp[N][N];
int n;
ll c;
bool check(ll mid) {
  for (int len = 1; len <= n ; ++len) {
    for (int i = n - len ; i >= 0 ; --i) {
      int j = i + len - 1;
      if (len == 1) {
        dp[i][j] = INF;
        continue;
      }
      if (pre[j] - pre[i] + d[i] + d[j] > mid)
        dp[i][j] = (pre[j] - pre[i]) - d[i] - d[j];
      else
        dp[i][j] = INF;
      dp[i][j] = min(dp[i][j], min(dp[i + 1][j], dp[i][j - 1]));
    }
 
 
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