oj.uz

Submission #714734

# Submission time Handle Problem Language Result Execution time Memory
714734 2023-03-25T08:39:31 Z ajab_01 Toll (BOI17_toll) C++17
0 / 100
 35 ms 5964 KB 
#include<bits/stdc++.h>
using namespace std;

const int N = 1e5 + 5;
const int O = 3e3 + 3;
vector<pair<int , int> > g[N] , query;
int pre[N] , pr[N] , k , n , m , o;

int main(){
	ios::sync_with_stdio(0), cin.tie(0), cout.tie(0);
	memset(pr , -1 , sizeof(pr));
	cin >> k >> n >> m >> o;
	for(int i = 0 ; i < m ; i++){
		int u , v , w;
		cin >> u >> v >> w;
		g[u].push_back({v , w});
		g[v].push_back({u , w});
	}

	for(int i = 0 ; i < o ; i++){
		int a , b;
		cin >> a >> b;
		query.push_back({a , b});
	}

	if(k == 1){
		int bef = 0;
		for(int i = 0 ; i < n ; i++){
			if(i == bef)
				pre[i] = 0;
			else
				pre[i] = pre[i - 1] + g[i - 1][0].second;
			pr[i] = bef;
			if(!g[i].size()){
				while(!g[i].size())i++;
				bef = i;
				i--;
			}
		}
		for(auto i : query){
			if(pr[i.first] == -1 || pr[i.second] == -1 || pr[i.first] != pr[i.second])
				cout << -1 << '\n';
			else
				cout << pre[i.first] - pre[i.second] << '\n';
		}
		return 0;
	}
	cout << "jalebe" << '\n';
	return 0;
}

Subtask #1
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 22 ms 5032 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 35 ms 5964 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 8.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 3028 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 31.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 3028 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 44.0

# Verdict Execution time Memory Grader output
1 Incorrect 22 ms 5032 KB Output isn't correct
2 Halted 0 ms 0 KB -