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#include <bits/stdc++.h>
using namespace std;
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;
}
};
class OutParser {
private:
FILE *fout;
char *buff;
int sp;
void write_ch(char ch) {
if (sp == 50000) {
fwrite(buff, 1, 50000, fout);
sp = 0;
buff[sp++] = ch;
} else {
buff[sp++] = ch;
}
}
public:
OutParser(const char* name) {
fout = fopen(name, "w");
buff = new char[50000]();
sp = 0;
}
~OutParser() {
fwrite(buff, 1, sp, fout);
fclose(fout);
}
OutParser& operator << (int vu32) {
if (vu32 <= 9) {
write_ch(vu32 + '0');
} else {
(*this) << (vu32 / 10);
write_ch(vu32 % 10 + '0');
}
return *this;
}
OutParser& operator << (long long vu64) {
if (vu64 <= 9) {
write_ch(vu64 + '0');
} else {
(*this) << (vu64 / 10);
write_ch(vu64 % 10 + '0');
}
return *this;
}
OutParser& operator << (char ch) {
write_ch(ch);
return *this;
}
OutParser& operator << (const char *ch) {
while (*ch) {
write_ch(*ch);
++ch;
}
return *this;
}
};
InParser f("dijkstra.in");
OutParser g("dijkstra.out");
const int NMAX = 50001,
INF = INT_MAX / 2;
int n, m, vf;
vector <pair<int, int >> G[NMAX];
set<pair<int, int>>Q;
int d[NMAX];
void citire()
{
f >> n >> m;
while(m--)
{
int x, y, c;
f >> x >> y >> c;
G[x].push_back(make_pair(y, c));
}
}
void Dijkstra(int nod)
{
for(int i = 1; i <= n; i++)
d[i] = INF;
d[nod] = 0;
Q.insert(make_pair(0, nod));
while(!Q.empty())
{
int nod_curent = Q.begin()->second;
int dist = Q.begin()->first;
Q.erase(Q.begin());
//
for(auto &x : G[nod_curent])
{
int y = x.first;
int c = x.second;
if(d[y] > d[nod_curent] + c)
{
if(d[y] != INF)
Q.erase(Q.find(make_pair(d[y], y)));
d[y] = d[nod_curent] + c;
Q.insert(make_pair(d[y], y));
}
}
}
}
void afis()
{
for(int i = 1; i <= n; i++)
g << ((d[i] != INF) ? d[i] : -1) << ' ';
}
int main()
{
citire();
Dijkstra(1);
for (int i = 2; i <= n; ++i)
{
if (d[i] == INF)
{
d[i] = 0;
}
g << d[i] << ' ';
}
g << '\n';
return 0;
}