oj.uz

Submission #623183

# Submission time Handle Problem Language Result Execution time Memory
623183 2022-08-05T09:43:30 Z Dremix10 Sky Walking (IOI19_walk) C++17
10 / 100
 4000 ms 1048576 KB 
#include "walk.h"
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>

using namespace std;
typedef long long ll;
typedef pair<int,int> pi;
typedef pair<ll,ll> pl;
#define F first
#define S second
#define all(x) (x).begin(),(x).end()
#ifdef dremix
    #define p(x) cerr<<#x<<" = "<<x<<endl;
    #define p2(x,y) cerr<<#x<<" , "<<#y<<" = "<<x<<" , "<<y<<endl;
    #define pp(x) cerr<<#x<<" = "<<x.F<<"-"<<x.S<<endl;
    #define pv(x) cerr<<#x<<" = {";for(auto v : x)cerr<<v<<", ";cerr<<"}"<<endl;
    #define ppv(x) cerr<<#x<<" = {";for(auto v : x)cerr<<v.F<<"-"<<v.S<<", ";cerr<<"}"<<endl;
#else
    #define p(x) {}
    #define p2(x,y) {}
	#define pp(x) {}
    #define pv(x) {}
    #define ppv(x) {}
#endif
const int N = 3e5+5;
const int MOD = 1e9+7;
const ll INF = 1e18+5;

struct ano{
	int x,who;
	ll d;

	bool operator<(const ano &x)const{
		return d > x.d;
	}
};

long long min_distance(vector<int> x, vector<int> h, vector<int> l, vector<int> r, vector<int> y, int s, int g) {
	int n = x.size();
	int m = l.size();

	vector<vector<int> > a(n+m+1);

	int i,j;
	vector<vector<pi> > in(n),out(n);
	for(j=0;j<m;j++){
		in[l[j]].push_back({y[j],n+j});
		out[r[j]].push_back({y[j],n+j});
	}
	set<pi> st;
	for(i=0;i<n;i++){
		for(auto &x : in[i])st.insert(x);

		for(auto &x : st){
			if(x.F > h[i])break;
			j = x.S;
			a[i].push_back(j);
			a[j].push_back(i);
		}

		for(auto &x : out[i])st.erase(x);
	}
	//if(n > 50)assert(0);
	priority_queue<ano> q;
	
	vector<__gnu_pbds::gp_hash_table<int,ll> > d(n+m+1,__gnu_pbds::gp_hash_table<int,ll>());
	//vector<pl> dd(n+m,{INF);
	
	q.push({s,n+m,0});

	int cnter=0;
	for(i=0;i<n+m;i++){
		for(auto &v : a[i]){
			d[i][v] = INF;
			cnter++;
		}
	}
	if(n>50)
		assert(cnter <= (m*10*2));
	d[s][n+m] = 0;
	y.push_back(0);
	//dd[s] = {0,h[s]};
	int cost;
	bool sky;
	ll gg;
	ano temp;
	while(!q.empty()){
		temp = q.top();
		q.pop();

		sky = false;
		if(temp.x >= n)sky = true;
		gg = d[temp.x][temp.who];
		if(temp.d > gg)continue;
		
		for(auto &v : a[temp.x]){
			if(v == temp.who)continue;
			
			if(sky)
				cost = abs(x[temp.who] - x[v]);
			else
				cost = abs(y[temp.who-n] - y[v-n]);
			
			if(d[v][temp.x] > gg + cost){
				d[v][temp.x] = gg + cost;
				d[temp.x][v] = gg + cost;
				q.push({v,temp.x,gg+cost});
			}
		}
	}
	ll ans = INF;
	for(auto v : a[g]){
		ans = min(ans,d[g][v]+y[v-n]);
	}
	if(ans == INF)ans = -1;
	return ans;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 1 ms 340 KB Output is correct

Subtask #2
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 3112 ms 143404 KB Output is correct
4 Correct 556 ms 160700 KB Output is correct
5 Correct 275 ms 137988 KB Output is correct
6 Correct 261 ms 127056 KB Output is correct
7 Correct 282 ms 138256 KB Output is correct
8 Execution timed out 4069 ms 187252 KB Time limit exceeded
9 Halted 0 ms 0 KB -

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 91 ms 31564 KB Output is correct
2 Runtime error 1559 ms 1048576 KB Execution killed with signal 6
3 Halted 0 ms 0 KB -

Subtask #4
0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 91 ms 31564 KB Output is correct
2 Runtime error 1559 ms 1048576 KB Execution killed with signal 6
3 Halted 0 ms 0 KB -

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 3112 ms 143404 KB Output is correct
21 Correct 556 ms 160700 KB Output is correct
22 Correct 275 ms 137988 KB Output is correct
23 Correct 261 ms 127056 KB Output is correct
24 Correct 282 ms 138256 KB Output is correct
25 Execution timed out 4069 ms 187252 KB Time limit exceeded
26 Halted 0 ms 0 KB -