This repository has a few C++ code that uses variable with name that begins with an un

I spotted SuffixArray _T max_flow _V so far will fix them <p dir="auto

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Illegal C++ identifiers about cpbook-code HOT 4 CLOSED

stevenhalim commented on July 19, 2024

Illegal C++ identifiers

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Comments (4)

stevenhalim commented on July 19, 2024

Noted, which cpp files got that? I remember using a few like this but it shouldn't be that many and can be fixed easily.

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stevenhalim commented on July 19, 2024

I spotted SuffixArray _T
max_flow _V
so far
will fix them

the _x and _y for points (ch7) should be ok I guess

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howsiwei commented on July 19, 2024

$ rg -tcpp '\b_[A-Z]'
ch8/maxflow.cpp
68:  max_flow(int _V) : V(_V) {

ch2/ourown/segmenttree_ds.cpp
71:  SegmentTree(const vi &_A) : SegmentTree((int)_A.size()) {
72:    A = _A;
152://   SegmentTree(const vi &_A) : SegmentTree((int)_A.size()) {
153://     A = _A;

ch6/sa_lcp.cpp
71:  SuffixArray(const char* _T, const int _n) : T(_T), n(_n) {

ch9/SparseTable.cpp
13:  SparseTable(vi &_A) : A(_A) {                  // pre-processing routine
36:        SpT[i][j] = _A[x] <= _A[y] ? x : y;

ch9/mcmf.cpp
68:  min_cost_max_flow(int _V) : V(_V), total_cost(0) {

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stevenhalim commented on July 19, 2024

Thanks, all fixed on my side and in the body text, will push these updates in a few minutes.

Apparently this _ thingy only appear in class construction when I have same variable name between internal variable and the parameter of the constructor ...

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