oj.uz

답안 #986378

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
986378 2024-05-20T12:07:31 Z KasymK 경주 (Race) (IOI11_race) C++17
0 / 100
 2 ms 2396 KB 
#include "bits/stdc++.h"
#include "race.h"
using namespace std;

const int Na = 1e3 + 5;

vector<pair<int, int>> adj[Na];
 
int mn = Na, Ka;

int dfs(int x, int pr, int gal, int edge){
	if(!(gal^Ka))
		return edge;
	if(gal < 0)
		return Na;
	for(auto &i : adj[x])
		if(i.first != pr)
			mn = min(mn, dfs(i.first, x, gal + i.second, edge + 1));
	return mn;
}

int best_path(int n, int k, int H[][2], int L[]){
	Ka = k;
	for(int i = 0; i < n; ++i){
		int a = H[i][0], b = H[i][1];
		adj[a].push_back({b, L[i]});
		adj[b].push_back({a, L[i]});
	}
	int answer = INT_MAX;
	for(int i = 0; i < n; ++i) 
		answer = min(answer, dfs(i, -1, 0, 0));
	return (answer >= Na ? -1 : answer);
}

Subtask #1
0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 2 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Incorrect 1 ms 2396 KB Output isn't correct
7 Halted 0 ms 0 KB -

Subtask #2
0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 2 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Incorrect 1 ms 2396 KB Output isn't correct
7 Halted 0 ms 0 KB -

Subtask #3
0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 2 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Incorrect 1 ms 2396 KB Output isn't correct
7 Halted 0 ms 0 KB -

Subtask #4
0 / 57.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 2 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Incorrect 1 ms 2396 KB Output isn't correct
7 Halted 0 ms 0 KB -