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#include <fstream>
#include <vector>
#include <queue>
class InParser {
private:
FILE *fin;
char *buff;
int sp;
char read_ch() {
++sp;
if (sp == 4096) {
sp = 0;
fread(buff, 1, 4096, fin);
}
return buff[sp];
}
public:
InParser(const char* nume) {
fin = fopen(nume, "r");
buff = new char[4096]();
sp = 4095;
}
InParser& operator >> (int &n) {
char c;
while (!isdigit(c = read_ch()) && c != '-');
int sgn = 1;
if (c == '-') {
n = 0;
sgn = -1;
} else {
n = c - '0';
}
while (isdigit(c = read_ch())) {
n = 10 * n + c - '0';
}
n *= sgn;
return *this;
}
InParser& operator >> (long long &n) {
char c;
n = 0;
while (!isdigit(c = read_ch()) && c != '-');
long long sgn = 1;
if (c == '-') {
n = 0;
sgn = -1;
} else {
n = c - '0';
}
while (isdigit(c = read_ch())) {
n = 10 * n + c - '0';
}
n *= sgn;
return *this;
}
};
InParser fin("dijkstra.in");
std::ofstream fout("dijkstra.out");
typedef std::pair<int, int> pii;
const int INF = 1e9;
int N, M;
std::vector<std::vector<pii> > G;
std::priority_queue<pii> pq;
std::vector<int> D;
int main(){
fin >> N >> M;
G.resize(N + 1);
D.resize(N + 1, INF);
for(int x, y, c; M--;){
fin >> x >> y >> c;
G[x].push_back({y, c});
}
D[1] = 0;
pq.push({0, 1});
while(!pq.empty()){
auto [dist, node] = pq.top();
pq.pop();
if(dist > D[node]) { continue; }
for(pii p : G[node]){
if(D[p.first] > D[node] + p.second){
D[p.first] = D[node] + p.second;
pq.push({-D[p.first], p.first});
}
}
}
for(int i = 2; i <= N; ++i){
if(D[i] == INF){
fout << "0 ";
}
else{
fout << D[i] << ' ';
}
}
}