oj.uz

Submission #723922

# Submission time Handle Problem Language Result Execution time Memory
723922 2023-04-14T13:07:47 Z LittleCube Sky Walking (IOI19_walk) C++17
10 / 100
 35 ms 7760 KB 
#include "walk.h"
#include <bits/stdc++.h>
#define ll long long
#define pii pair<int, int>
#define pll pair<ll, ll>
#define F first
#define S second
using namespace std;

ll N, M, K, S, T, dis[1000];
vector<pll> E[1000], ver[1000], hor[1000];

ll min_distance(vector<int> x, vector<int> h, vector<int> l, vector<int> r, vector<int> y, int s, int g)
{
	N = x.size(), M = l.size();
	for (int i = 0; i < N; i++)
	{
		++K;
		ver[i].emplace_back(pll(0, K));
		if(i == s)
			S = K;
		if(i == g)
			T = K;
	}
	for (int i = 0; i < M; i++)
		for (int j = l[i]; j <= r[i]; j++)
			if (y[i] <= h[j])
			{
				++K;
				ver[j].emplace_back(pll(y[i], K));
				hor[i].emplace_back(pll(x[j], K));
			}
	for (int i = 0; i < N; i++)
	{
		sort(ver[i].begin(), ver[i].end());
		for (int j = 0; j + 1 < ver[i].size(); j++)
			E[ver[i][j].S].emplace_back(ver[i][j + 1].S, ver[i][j + 1].F - ver[i][j].F),
			E[ver[i][j + 1].S].emplace_back(ver[i][j].S, ver[i][j + 1].F - ver[i][j].F);
	}
	for (int i = 0; i < M; i++)
	{
		sort(hor[i].begin(), hor[i].end());
		for (int j = 0; j + 1 < hor[i].size(); j++)
			E[hor[i][j].S].emplace_back(hor[i][j + 1].S, hor[i][j + 1].F - hor[i][j].F),
			E[hor[i][j + 1].S].emplace_back(hor[i][j].S, hor[i][j + 1].F - hor[i][j].F);
	}
	for (int i = 0; i <= K; i++)
		dis[i] = 1e18;
	priority_queue<pll, vector<pll>, greater<pll>> pq;
	dis[S] = 0;
	pq.push(pll(0, S));
	while(!pq.empty())
	{
		auto [d, u] = pq.top();
		pq.pop();
		if(d > dis[u])
			continue;
		for (auto [v, w] : E[u])
			if(dis[u] + w < dis[v])
			{
				dis[v] = dis[u] + w;
				pq.push(pll(dis[v], v));
			}
	}
	return (dis[T] >= 1e18 ? -1 : dis[T]);
}

Compilation message

walk.cpp: In function 'long long int min_distance(std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>, int, int)':
walk.cpp:36:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   36 |   for (int j = 0; j + 1 < ver[i].size(); j++)
      |                   ~~~~~~^~~~~~~~~~~~~~~
walk.cpp:43:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   43 |   for (int j = 0; j + 1 < hor[i].size(); j++)
      |                   ~~~~~~^~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 468 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 468 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 376 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 468 KB Output is correct

Subtask #2
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Runtime error 35 ms 7760 KB Execution killed with signal 11
4 Halted 0 ms 0 KB -

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Runtime error 16 ms 3284 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #4
0 / 18.0

# Verdict Execution time Memory Grader output
1 Runtime error 16 ms 3284 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 468 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 468 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 376 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Runtime error 35 ms 7760 KB Execution killed with signal 11
21 Halted 0 ms 0 KB -