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Problem ID
Title
Solved
Submit
Pass Rate
4390
USB vs. PS/2
cf762B
1400
greedy
implementation
sortings
two
pointers
思维
6
16
37.5%
4771
Graph Coloring
CF662B
2200
dfs
and
similar
graphs
1
4
25.0%
4883
Tyndex
62B
1800
2
3
66.7%
5520
Appleman and Card Game
462B
1300
greedy
1
1
100.0%
5900
彼佳和楼梯
362B
1100
贪心
3
3
100.0%
1