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#include <stdio.h>
#include <vector>
#include <algorithm>
#include <queue>
#define NMAX 50001
#define MMAX 250001
#define INF 99999
using namespace std;
class mycomparison
{
bool reverse;
public:
bool operator() (const pair<int, int>& lhs, const pair<int, int>&rhs) const
{
return lhs.second > rhs.second;
}
};
priority_queue <pair <int, int>, vector<pair <int,int> >, mycomparison > q;
vector<pair<int, int> > adjList[NMAX];
int dist[NMAX], previous[NMAX];
int n, m;
void dijkstra(int source) {
for (int i = 2; i <= n; ++i) {
dist[i] = INF;
previous[i] = -1;
q.push(make_pair(i, dist[i]));
}
previous[source] = -1;
dist[source] = 0;
q.push(make_pair(source, dist[source]));
while(!q.empty()) {
pair<int, int> nod = q.top();
q.pop();
for (int i = 0; i < adjList[nod.first].size(); ++i) {
int alt = dist[nod.first] + adjList[nod.first][i].second;
if (alt < dist[adjList[nod.first][i].first]) {
dist[adjList[nod.first][i].first] = alt;
previous[adjList[nod.first][i].first] = nod.first;
}
}
}
}
int main() {
FILE *in, *out;
in = fopen("dijkstra.in", "r");
out = fopen("dijkstra.out", "w");
int a, b, l;
fscanf(in, "%d%d", &n, &m);
for (int i = 1; i <= m; ++i) {
fscanf(in, "%d%d%d", &a, &b, &l);
adjList[a].push_back(make_pair(b, l));
}
dijkstra(1);
for (int i = 2; i <= n; ++i) {
fprintf(out, "%d ", dist[i]);
}
}