Pagini recente » Cod sursa (job #140590) | Cod sursa (job #1611397) | Cod sursa (job #2922050) | leulgreu | Cod sursa (job #1277677)
#include <fstream>
#include <vector>
#include <cstring>
#include <queue>
using namespace std;
ifstream is("a.in");
ofstream os("a.out");
int n, d[101];
vector<vector<pair<int, int> > > G;
queue<int> Q;
void Read();
void Dijkstra(int x);
void Write();
int main()
{
Read();
Dijkstra(1);
Write();
/*
for ( int i = 1; i <= n; ++i )
{
os << i << ": ";
for ( const auto & x : G[i])
os << "( " << x.first << ", " << x.second << " )";
os << '\n';
}
*/
is.close();
os.close();
return 0;
}
void Read()
{
int x, y, c, m;
is >> n >> m;
G.resize(n+1);
while ( m-- )
{
is >> x >> y >> c;
G[x].push_back({y, c});
}
}
void Dijkstra(int x)
{
memset(d, 63, sizeof(d) );
d[x] = 0;
Q.push(x);
while ( !Q.empty() )
{
x = Q.front();
Q.pop();
for ( const auto & v : G[x] )
if ( d[v.first] > d[x] + v.second )
{
d[v.first] = d[x] + v.second;
Q.push(v.first);
}
}
}
void Write()
{
for ( int i = 2; i <= n; ++i )
os << d[i] << ' ';
}