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#include<cctype>
#include<vector>
#include<cstdio>
#include<queue>
#define oo 1000000000
#define MAX_V 50000
#define BUF_SIZE 1 << 18
using namespace std;
vector<pair<int, int>>g[MAX_V + 1];
int dist[MAX_V + 1], n, m, pos = BUF_SIZE;
char buf[BUF_SIZE];
inline char getChar(FILE* fin) {
if(pos == BUF_SIZE) {
fread(buf, 1, BUF_SIZE, fin);
pos = 0;
}
return buf[pos++];
}
inline int read(FILE* fin) {
int res = 0;
char c;
do {
c = getChar(fin);
}while(!isdigit(c));
do {
res = 10*res + c - '0';
c = getChar(fin);
}while(isdigit(c));
return res;
}
class ComparVf {
public:
bool operator() (const int& x, const int& y) {
return dist[x] > dist[y];
}
};
priority_queue<int, vector<int>, ComparVf> H;
void readGraph() {
FILE* fin = fopen("dijkstra.in", "r");
int x, y, c;
n = read(fin);
m = read(fin);
for(int i = 1; i <= m; i++) {
x = read(fin); y = read(fin); c = read(fin);
g[x].push_back(make_pair(y, c));
//printf("%d %d %d\n", x, y, c);
}
fclose(fin);
}
void Dijkstra(int source) {
int i, vfmin;
for(i = 1; i <= n; i++) {
dist[i] = oo;
}
dist[source] = 0;
H.push(source);
while(!H.empty()) {
vfmin = H.top();
H.pop();
for(auto j : g[vfmin]) {
if(dist[j.first] > dist[vfmin] + j.second) {
dist[j.first] = dist[vfmin] + j.second;
H.push(j.first);
}
}
}
}
void printDistances() {
FILE* fout = fopen("dijkstra.out", "w");
for(int i = 2; i <= n; i++)
if(dist[i] == oo)
fprintf(fout,"0 ");
else fprintf(fout, "%d ",dist[i]);
fprintf(fout,"\n");
fclose(fout);
}
int main() {
readGraph();
Dijkstra(1);
printDistances();
return 0;
}