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Submission #599542

# Submission time Handle Problem Language Result Execution time Memory
599542 2022-07-19T15:20:24 Z shezitt Crocodile's Underground City (IOI11_crocodile) C++14
46 / 100
 133 ms 262144 KB 
#include "crocodile.h"
#include <bits/stdc++.h>
#define dbg(x) cout << #x << ": " << x << endl;
#define raya cout << "===========================" << endl;

using namespace std;

const int N = 1e5+5;
int n, m;
bool ext[N];

vector<pair<int,int>> g[N];

int f(int i, int p=-1){
	if((int) g[i].size() == 1){
		if(ext[i]){
			return 0;
		}
		return 1e9;
	}
	priority_queue<int> st;
	for(auto v : g[i]){
		if(v.first != p){
			st.push(-(f(v.first, i)+v.second));
		}
	}
	st.pop();
	return -st.top();
}

int travel_plan(int nn, int mm, int R[][2], int L[], int K, int P[]){
	n = nn;
	m = mm;
	for(int i=0; i<K; ++i){
		ext[P[i]] = 1;
	}
	for(int i=0; i<m; ++i){
		g[R[i][0]].push_back({R[i][1], L[i]});
		g[R[i][1]].push_back({R[i][0], L[i]});
	}
	return f(0);
}

Subtask #1
46.0 / 46.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 2644 KB Output is correct
2 Correct 2 ms 2644 KB Output is correct
3 Correct 2 ms 2644 KB Output is correct
4 Correct 2 ms 2644 KB Output is correct
5 Correct 2 ms 2644 KB Output is correct
6 Correct 2 ms 2644 KB Output is correct
7 Correct 2 ms 2772 KB Output is correct
8 Correct 2 ms 2772 KB Output is correct

Subtask #2
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 2644 KB Output is correct
2 Correct 2 ms 2644 KB Output is correct
3 Correct 2 ms 2644 KB Output is correct
4 Correct 2 ms 2644 KB Output is correct
5 Correct 2 ms 2644 KB Output is correct
6 Correct 2 ms 2644 KB Output is correct
7 Correct 2 ms 2772 KB Output is correct
8 Correct 2 ms 2772 KB Output is correct
9 Runtime error 133 ms 262144 KB Execution killed with signal 9
10 Halted 0 ms 0 KB -

Subtask #3
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 2644 KB Output is correct
2 Correct 2 ms 2644 KB Output is correct
3 Correct 2 ms 2644 KB Output is correct
4 Correct 2 ms 2644 KB Output is correct
5 Correct 2 ms 2644 KB Output is correct
6 Correct 2 ms 2644 KB Output is correct
7 Correct 2 ms 2772 KB Output is correct
8 Correct 2 ms 2772 KB Output is correct
9 Runtime error 133 ms 262144 KB Execution killed with signal 9
10 Halted 0 ms 0 KB -