Here are Some easy to intermediate codeforces graph/backtracking problems this problems normally only use some basic knowledge of graphs/trees + basic algorithms , I hope it helps↵
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1-Destroying Bridgeslink[problem:1944A] rate : 800 -> basic of graphs [Very Simple]↵
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2-Computer Gamelink[problem:1598A] rate : 800 -> not so much graph [Very Simple]↵
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3-Li Hua and Mazelink[problem:1797A] rate : 800 -> not so much graph + edge cases [Very Simple]↵
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Sum in binary treelink[problem:1843C] rate : 800 -> not so much graph or tree [Very Simple]↵
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Love trianglelink[problem:939A] rate : 800 -> can be solved with graph or not [Very Simple]↵
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Partylink[problem:115A] and Party link[problem:116C] rate : 900 -> bfs [Simple]↵
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New Year Transportationlink[problem:500A] rate : 1000 -> dfs [Simple]↵
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Transformation : from A to Blink[problem:727A] rate : 1000 -> backtracking / dfs [Simple]↵
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Badgelink[problem:1020B] rate : 1000 -> dfs [Simple]↵
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Frog Jumpslink[problem:1324C] rate : 1100 -> not so much graph but can be solved with dfs [Very Simple]↵
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Dzy loves chessboardlink[problem:445A] rate : 1200 -> can be solved with dfs [Simple(simpler than it's rating)]↵
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Ice Skatinglink[problem:217A] rate : 1200 -> dfs [Simple/Intermediate]↵
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Rumorlink[problem:893C] rate : 1300 -> dfs [Simple]↵
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Dreamon and Wifilink[problem:416B] rate : 1300 -> backtracking [Simple]↵
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4-Inversion Graphlink[problem:1638C] rate : 1300 -> creativity [Simple/Intermediate]↵
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Game On Treelink[problem:1970C1] rate : 1300 -> trees + dfs/bfs [Simple/Intermediate]↵
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5-Queenlink[problem:1143C] rate : 1400 -> trees + you can use dfs/bfs [Simple]↵
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Two Buttonslink[problem:520B] rate : 1400 -> bfs [Simple/Intermediate]↵
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6-Kefa and parklink[problem:580C] rate : 1500 -> trees + dfs/bfs [Intermediate]↵
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7-Cyclic componentslink[problem:977E] rate : 1500 -> dfs [Intermediate]↵
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Mazelink[problem:377A] rate : 1600 -> bfs [Intermediate]↵
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The Two Routeslink[problem:601A] rate : 1600 -> bfs / matrix [Intermediate/Hard]↵
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Graph Without Long Directed Pathlink[problem:1144F] rate : 1700 -> bipartite graphs [Intermediate/Hard]↵
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Beautiful Graphlink[problem:1093D] rate : 1700 -> bipartite graphs [Intermediate/Hard]↵
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Game On Treelink[problem:1970C2] rate : 1700 -> a little hard + dfs/bfs [Intermediate/Hard]↵
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1-Destroying Bridges
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2-Computer Game
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3-Li Hua and Maze
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Sum in binary tree
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Love triangle
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Party
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New Year Transportation
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Transformation : from A to B
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Badge
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Frog Jumps
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Dzy loves chessboard
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Ice Skating
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Rumor
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Dreamon and Wifi
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4-Inversion Graph
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Game On Tree
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5-Queen
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Two Buttons
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6-Kefa and park
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7-Cyclic components
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Maze
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The Two Routes
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Graph Without Long Directed Path
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Beautiful Graph
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Game On Tree
