oj.uz

Submission #623469

# Submission time Handle Problem Language Result Execution time Memory
623469 2022-08-05T16:23:25 Z Jomnoi Comparing Plants (IOI20_plants) C++17
0 / 100
 4 ms 5020 KB 
#include <bits/stdc++.h>
#include "plants.h"
using namespace std;

const int MAX_N = 2e5 + 5;

int N, K;
vector <int> R;
int indegree[MAX_N];
vector <int> graph[MAX_N];
int pos[MAX_N];

void dfs(int u, int p) {
	pos[u] = p;
	for(auto v : graph[u]) {
		dfs(v, p + 1);
	}
}

void init(int k, vector <int> r) {
	K = k, R = r, N = R.size();
	for(int i = 0; i < N; i++) {
		if(R[i] == 0) {
			graph[i + 1].push_back(i);
			indegree[i]++;
		}
		else {
			graph[i].push_back(i + 1);
			indegree[i + 1]++;
		}
	}

	for(int i = 0; i < N; i++) {
		if(indegree[i] == 0) {
			dfs(i, 0);
		}
	}
}

int compare_plants(int x, int y) {
	if(pos[x] > pos[y]) {
		return 1;
	}
	if(pos[x] < pos[y]) {
		return -1;
	}
	return 0;
}

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4948 KB Output is correct
2 Incorrect 3 ms 4948 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Incorrect 3 ms 4948 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Incorrect 3 ms 4948 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Incorrect 4 ms 4956 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #5
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4952 KB Output is correct
2 Incorrect 3 ms 4948 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #6
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4976 KB Output is correct
2 Incorrect 3 ms 5020 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #7
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4948 KB Output is correct
2 Incorrect 3 ms 4948 KB Output isn't correct
3 Halted 0 ms 0 KB -