| 100 |
All Paths From Source To Target |
backtracking |
medium |
| 101 |
Maximum Path Quality Of A Graph |
backtracking |
hard |
| 102 |
Find If Path Exists In Graph |
bfs |
easy |
| 103 |
All Paths From Source To Target |
bfs |
medium |
| 104 |
Keys And Rooms |
bfs |
medium |
| 105 |
Number Of Provinces |
bfs |
medium |
| 106 |
Redundant Connection |
bfs |
medium |
| 107 |
Shortest Path Visiting All Nodes |
bit manipulation |
hard |
| 108 |
Possible Bipartition |
coloring |
medium |
| 109 |
Is Graph Bipartite |
coloring |
medium |
| 110 |
Possible Bipartition |
coloring |
medium |
| 111 |
Is Graph Bipartite |
coloring |
medium |
| 112 |
Shortest Path With Alternating Colors |
coloring |
medium |
| 113 |
Number Of Operations To Make Network Connected |
connected components |
medium |
| 114 |
Number Of Provinces |
connected components |
medium |
| 115 |
Critical Connections In A Network |
connected components |
hard |
| 116 |
Find Critical And Pseudo Critical Edges In Minimum Spanning Tree |
connected components |
hard |
| 117 |
Minimum Degree Of A Connected Trio In A Graph |
connected components |
hard |
| 118 |
Course Schedule Ii |
cycle detection |
medium |
| 119 |
Redundant Connection |
cycle detection |
medium |
| 120 |
Course Schedule |
cycle detection |
medium |
| 121 |
Find Eventual Safe States |
cycle detection |
hard |
| 122 |
Find If Path Exists In Graph |
dfs |
easy |
| 123 |
All Paths From Source To Target |
dfs |
medium |
| 124 |
Minimum Number Of Vertices To Reach All Nodes |
dfs |
medium |
| 125 |
Keys And Rooms |
dfs |
medium |
| 126 |
Number Of Provinces |
dfs |
medium |
| 127 |
Find The City With The Smallest Number Of Neighbors At A Threshold Distance |
dp based |
medium |
| 128 |
Number Of Ways To Arrive At Destination |
dp based |
medium |
| 129 |
Cheapest Flights Within K Stops |
dp based |
medium |
| 130 |
Shortest Path Visiting All Nodes |
dp based |
hard |
| 131 |
Parallel Courses Iii |
dp based |
hard |
| 132 |
Reconstruct Itinerary |
eulerian circuit |
hard |
| 133 |
Detonate The Maximum Bombs |
geometry |
medium |
| 134 |
Find The Town Judge |
hashing |
easy |
| 135 |
Minimum Number Of Vertices To Reach All Nodes |
hashing |
medium |
| 136 |
Maximal Network Rank |
hashing |
medium |
| 137 |
Count Sub Islands |
matrix |
medium |
| 138 |
Number Of Closed Islands |
matrix |
medium |
| 139 |
Max Area Of Island |
matrix |
medium |
| 140 |
Count Servers That Communicate |
matrix |
medium |
| 141 |
Evaluate Division |
shortest path |
medium |
| 142 |
Find The City With The Smallest Number Of Neighbors At A Threshold Distance |
shortest path |
medium |
| 143 |
Network Delay Time |
shortest path |
medium |
| 144 |
Number Of Ways To Arrive At Destination |
shortest path |
medium |
| 145 |
Cheapest Flights Within K Stops |
shortest path |
medium |
| 146 |
Find Center Of Star Graph |
simple graph |
easy |
| 147 |
Find If Path Exists In Graph |
simple graph |
easy |
| 148 |
Find The Town Judge |
simple graph |
easy |
| 149 |
Minimum Number Of Vertices To Reach All Nodes |
simple graph |
medium |
| 150 |
Maximal Network Rank |
simple graph |
medium |
| 151 |
Find Critical And Pseudo Critical Edges In Minimum Spanning Tree |
spanning tree |
hard |
| 152 |
Min Cost To Connect All Points |
spanning tree |
medium |
| 153 |
Number Of Operations To Make Network Connected |
strongly connected components |
medium |
| 154 |
Number Of Provinces |
strongly connected components |
medium |
| 155 |
Critical Connections In A Network |
strongly connected components |
hard |
| 156 |
Find Critical And Pseudo Critical Edges In Minimum Spanning Tree |
strongly connected components |
hard |
| 157 |
Minimum Degree Of A Connected Trio In A Graph |
strongly connected components |
hard |
| 158 |
Number Of Ways To Arrive At Destination |
topological sorting |
medium |
| 159 |
Minimum Height Trees |
topological sorting |
medium |
| 160 |
Course Schedule |
topological sorting |
medium |
| 161 |
Course Schedule Ii |
topological sorting |
medium |
| 162 |
All Ancestors Of A Node In A Directed Acyclic Graph |
topological sorting |
medium |
| 163 |
Number Of Provinces |
union find |
medium |
| 164 |
Redundant Connection |
union find |
medium |
| 165 |
Evaluate Division |
union find |
medium |
| 166 |
Number Of Operations To Make Network Connected |
union find |
medium |
| 167 |
Is Graph Bipartite |
union find |
medium |