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Can a tree be formed .. How does it feel like graph theory? Put it in the string topic. # Include # Include # Include # Define PR printfUsing namespace STD;Int main (){Int I, J, K, M, N, T, CA, E, V, indeg, zero, root;Int num, a [2] [20], S, T, p, q;Int d [20] [20], degin [20], Degout [20], have [20];CA = 0;While (1){For (I = 1; I {Degin [I] = Degout [I] = 0; // inbound and outboundHave [I] = 0;For (j = 1;

] specifies the DEFAULT value for the variable. Multiple variables of the same type can be defined at a time. Variable names are separated by commas.Pay attention to the following points when defining and using variables:◆ The DECLARE statement must be used in DEGIN... The END statement block must appear in the DEGIN... The beginning of the END statement block, that is, before other statements.◆ The scope o

. The optional [default value] specifies the default value for the variable. Multiple variables of the same type can be defined at a time. Variable names are separated by commas. Pay attention to the following points when defining and using variables: ◆ The declare statement must be used in degin... The end statement block must appear in the degin... The beginning of the end statement block, that is, bef

value] specifies the DEFAULT value for the variable. Multiple variables of the same type can be defined at a time. variable names are separated by commas. Pay attention to the following points when defining and using variables: ◆ The DECLARE statement must be used in DEGIN... The END statement block must appear in the DEGIN... The beginning of the END statement block, that is, before other statements. ◆

default value for the variable. You can define multiple variables of the same type at one time, separated by commas "" between the variable names. The following points need to be noted when defining and using variables: Declare statement must be used in degin ... End statement block, and must appear in the Degin ... The front of the end statement block, which appears before other statements. The scope o

New features for Android 5.0Material design:gives you and unexpanded UI Toolkit for integrating the new degin patterns easily in your appsNew 3D views Let's z-level to raise elements off of the view hierarchy and cast reltime shadows, even ad they move ;Focus on performance: Andorid 5.0 gives us the experience of faster, smoother, and more powerful computing powerEnhanced Nofifications (Enhanced message display function, push message)WebView UpdatesPr