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#include <iostream>
#include <fstream>
#include <list>
#include <queue>
#include <functional>
#include <algorithm>
#define NMAX 50001
#define INF (1<<30)
#define SRC 1
using namespace std;
int n, m;
list<pair<int, int>> graph[NMAX];
int dist[NMAX];
priority_queue<int, vector<int>, function<bool(int, int)>> q(
[](int a, int b) {
return dist[a] < dist[b];
}
);
bool visited[NMAX];
void dijkstra()
{
// initialization
fill_n(dist, n + 1, INF);
dist[SRC] = 0;
q.push(SRC);
// main loop
while (!q.empty()) {
int a = q.top();
q.pop();
if (visited[a])
continue;
visited[a] = true;
for (auto bc : graph[a]) {
int alt = dist[a] + bc.second;
if (alt < dist[bc.first]) {
dist[bc.first] = alt;
q.push(bc.first);
}
}
}
}
int main()
{
int a, b, c;
// read input
ifstream fin("dijkstra.in");
fin >> n >> m;
for (int i = 0; i < m; i++) {
fin >> a >> b >> c;
graph[a].push_back(make_pair(b, c));
}
fin.close();
// solve
dijkstra();
// print output
ofstream fout("dijkstra.out");
for (int i = 2; i <= n; i++) {
int x = dist[i];
x = (x == INF) ? 0 : x;
fout << x << ' ';
}
fout.close();
return 0;
}