Pagini recente » Cod sursa (job #1176885) | Cod sursa (job #848517) | Cod sursa (job #2813856) | Cod sursa (job #1150864) | Cod sursa (job #3197768)
#include <bits/stdc++.h>
using namespace std;
ifstream fin("pitici.in");
ofstream fout("pitici.out");
struct cv {
short node;
int cost;
bool operator<(const cv& foreign) const {
return this->cost > foreign.cost;
}
};
short N,K;
int M;
vector<unordered_map<short,short>> G;
int main() {
fin >> N >> M >> K;
G.resize(N+1);
for (int i = 1; i <= M; i++) {
short nodeA, nodeB, cost;
fin >> nodeA >> nodeB >> cost;
G[nodeA][nodeB] = cost;
}
priority_queue<cv> pq,ans;
for (const pair<short,short>& edge : G[1]) {
pq.push({edge.first, edge.second});
}
G[1].clear();
while (!pq.empty()) {
if (pq.top().node == N) {
ans.push(pq.top());
if (ans.size() == K) {
break;
}
} else {
for (const pair<short,short>& edge : G[pq.top().node]) {
pq.push({edge.first, edge.second + pq.top().cost});
}
}
pq.pop();
}
while (K--) {
fout << ans.top().cost << ' ';
ans.pop();
}
return 0;
}