Submission #303317

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
303317	2020-09-20 07:57:28	ainta	Sky Walking (IOI19_walk)	C++17	15 / 100	223 ms	23020 KiB

walk

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#include "walk.h"
#include <vector>
#include <algorithm>
using namespace std;
typedef pair<int,int> pii;
typedef long long ll;
typedef pair<ll,ll> pll;
#define N_ 101000
#define SZ 131072
vector<ll>X, Y;
struct Seg{
  int ed, y;
};
vector<Seg>LeftSeg[N_], RightSeg[N_];
int n, m, H[N_];
ll INF = 1e18;
struct Tree{
  ll IT[SZ+SZ];
  void init(){
    for(int i=0;i<SZ+SZ;i++)IT[i]=INF;
  }
  void Put(int y, ll d){
    y+=SZ;
    IT[y] = d;
    while(y!=1){
      y>>=1;
      IT[y]=min(IT[y*2],IT[y*2+1]);
    }
 
 
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• Subtask 1: 0 / 10
• Subtask 2: 0 / 14
• Subtask 3: 15 / 15
• Subtask 4: 0 / 18
• Subtask 5: 0 / 43