답안 #437255

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
437255 2021-06-26T06:10:33 Z errorgorn 던전 (IOI21_dungeons) C++17
0 / 100
1012 ms 1048580 KB
#include "dungeons.h"

#include <bits/stdc++.h>
using namespace std;

#define ll long long
#define ii pair<ll,ll>
#define fi first
#define se second

#define puf push_front
#define pof pop_front
#define pub push_back
#define pob pop_back

#define rep(x,s,e) for (auto x=s-(s>e);x!=e-(s>e);s<e?x++:x--)
#define all(x) (x).begin(),(x).end()
#define sz(x) (int) (x).size()

mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

int n;
ll win_s[50005];
ll lose_s[50005];
ll win_n[50005];
ll lose_n[50005];

struct edge{
	ll to;
	ll sum;
	ll mx; //we cant have more strength or we will overshoot
};

vector<ll> ds={0};
edge tkd[30][50005][30];

void init(int N, std::vector<int> s, std::vector<int> p, std::vector<int> w, std::vector<int> l) {
	n=N;
	
	rep(x,0,n) win_s[x]=s[x];
	rep(x,0,n) lose_s[x]=p[x];
	rep(x,0,n) win_n[x]=w[x];
	rep(x,0,n) lose_n[x]=l[x];
	
	for (int x=1;x<4e7;x<<=1) ds.pub(x); //start of bueket sizes
	ds.pub(1e18);
	
	//for (auto &it:ds) cout<<it<<" "; cout<<endl;
	
	memset(tkd,-1,sizeof(tkd));
	
	rep(i,0,sz(ds)-1){
		rep(x,0,n){
			if (win_s[x]<ds[i]){ //cfm will win
				tkd[i][x][0]=edge({win_n[x],win_s[x],(ll)1e18});
			}
			else if (win_s[x]<ds[i+1]){ //by default, we lose, but if we win we must stop!
				tkd[i][x][0]=edge({lose_n[x],lose_s[x],win_s[x]});
			}
			else{ //cfm will lose
				tkd[i][x][0]=edge({lose_n[x],lose_s[x],(ll)1e18});
			}
		}
		
		rep(y,0,29){
			rep(x,0,n){
				int temp=tkd[i][x][y].to;
				
				if (temp==-1 || tkd[i][temp][y].to==-1) continue;
				
				edge res=edge({
					tkd[i][temp][y].to,
					tkd[i][x][y].sum+tkd[i][temp][y].sum,
					min(tkd[i][x][y].mx,tkd[i][temp][y].mx-tkd[i][x][y].sum)
				});
				
				tkd[i][x][y+1]=res;
			}
		}
	}
}

long long simulate(int CURR, int S) {
	ll curr=CURR,s=S;
	
	rep(x,0,sz(ds)-1){
		//when we traverse a edge we cannot overshoot over some guy whos in our bucket
		//also sum must be contained in the bucket
		
		rep(y,30,0){
			if (tkd[x][curr][y].to!=-1 && s+tkd[x][curr][y].sum<ds[x+1] && s<tkd[x][curr][y].mx){
				tie(curr,s)=ii(tkd[x][curr][y].to,s+tkd[x][curr][y].sum);
			}
		}
		
		//cout<<"debug: "<<curr<<" "<<s<<endl;
		
		if (curr==n) break;
		
		//manually do extra one
		if (win_s[curr]<=s){
			s+=win_s[curr];
			curr=win_n[curr];
		}
		else{
			s+=lose_s[curr];
			curr=lose_n[curr];
		}
	}
	
	return s;
	
}
# 결과 실행 시간 메모리 Grader output
1 Runtime error 1012 ms 1048580 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Runtime error 500 ms 1048580 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Runtime error 485 ms 1048580 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Runtime error 485 ms 1048580 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Runtime error 485 ms 1048580 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Runtime error 500 ms 1048580 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -