Submission #1007867

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1007867	2024-06-25 15:46:56	PotatoMan	Overtaking (IOI23_overtaking)	C++17	100 / 100	1071 ms	111188 KiB

overtaking

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#include "overtaking.h"
#include <bits/stdc++.h>
#define ll long long
#define inf INT_MAX
using namespace std;
vector<ll> s;
vector<pair<ll,ll>> p;
ll l,n,x,m;
vector<vector<pair<pair<ll,ll>,int>>> ps(1005);
vector<vector<ll>> start(1005);
vector<pair<pair<ll,ll>,int>> cur;
ll pos = 0;
pair<ll,ll> pref[1005][1005];
ll dp[1005][1005];
ll h[1005][1005];
ll f(int xx,int y,ll hh){
  //cout<<"!"<<xx<<" "<<y<<" "<<hh<<"\n";
  if( y == m-1 ) return dp[xx][y] = hh;
  if( dp[xx][y] != 0 ) return dp[xx][y];
  int foo = lower_bound(start[y+1].begin(),start[y+1].end(),hh) - start[y+1].begin();
  int l = y+1,r = m;
  int res = inf;
  while( l <= r ){
    int tm = (l+r)/2;
    ll vh = hh+(s[tm-1]-s[y])*x;
    int vm = lower_bound(start[tm].begin(),start[tm].end(),vh) - start[tm].begin();
    //cout<<"? "<<tm<<" "<<vh<<" "<<vm<<" "<<foo<<"\n";
    if( vm < foo ){
 
 
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• Subtask 0: 0 / 0
• Subtask 1: 9 / 9
• Subtask 2: 10 / 10
• Subtask 3: 20 / 20
• Subtask 4: 26 / 26
• Subtask 5: 35 / 35