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Commit 15d224f

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‎Greedy/Dijkstra.cpp

Copy file name to clipboardExpand all lines: Greedy/Dijkstra.cpp
+17-17Lines changed: 17 additions & 17 deletions
Original file line numberDiff line numberDiff line change
@@ -92,28 +92,28 @@ ll solve()
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vector<vector<pair<ll,ll>>> graph(vertex+1,vector<ll>());
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vector<ll> shortes_path(vertex+1,INF);
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for(ll i=1;i<=edges;i++){
95-
ll u,v,weight;
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cin>>u>>v>>weight;
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graph[u].pb({v,weight});
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graph[v].pb({u,weight});
95+
ll u,v,weight;
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cin>>u>>v>>weight;
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graph[u].pb({v,weight});
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graph[v].pb({u,weight});
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}
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// finding shortest distance from 1
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shortes_path[1]=0;
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for(ll i=1;i<=vertex;i++){
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ll min_vertex=1,mini=INF;
105-
for(ll j=1;j<=vertex;j++){
106-
if(shortes_path[j]<mini){
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mini=shortes_path[j];
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min_vertex=j;
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}
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}
103+
for(ll i=1;i<=vertex;i++){
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ll min_vertex=1,mini=INF;
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for(ll j=1;j<=vertex;j++){
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if(check[j]==false && shortes_path[j]<mini){
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mini=shortes_path[j];
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min_vertex=j;
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}
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}
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112-
check[min_vertex]=true;
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for(auto edges:graph[min_vertex]){
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shortes_path[edges]=min(shortes_path[edges.ff],shortes_path[min_vertex]+edges.ss);
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}
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}
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check[min_vertex]=true;
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for(auto edges:graph[min_vertex]){
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shortes_path[edges]=min(shortes_path[edges.ff],shortes_path[min_vertex]+edges.ss);
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}
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}
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return 0;
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}
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