Submission #493434

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
493434	2021-12-11 10:40:17	JovanB	Palindromes (APIO14_palindrome)	C++17	Compilation error	0 ms	0 KiB

palindrome

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#include <bits/stdc++.h>
#define PRINT(x) cerr<<#x<<'='<<x<<endl;
using namespace std;
 
struct PalTree {
    #define P_SIGMA 26
    #define FIRST_NODE 1
    #define SECOND_NODE 2
    struct Node {
        int len, cnt, dub, slink;
        int to[P_SIGMA];
        Node() { len = cnt = dub = slink = 0; for(int i = 0; i < P_SIGMA; i++) to[i] = 0; }
        Node(int _len, int _cnt, int _dub, int _slink) {
            len = _len; cnt = _cnt; dub = _dub; slink = _slink;
            for(int i = 0; i < P_SIGMA; i++) to[i] = 0;
        }
    };
    string s;
    vector<Node> pt;
    int suff;
    int toidx(char c) { return c-'a'; }
    void addLetter(char c) {
        s += c; int len = s.size();
        assert(0 <= len-2-pt[suff.len]);
        while(c != s[len-2-pt[suff].len]) {
            suff = pt[suff].slink;
        }
        int nd = pt[suff].to[toidx(c)];
        if(nd == 0) {
            nd = pt.size();
 
 
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Compilation message (stderr)

In file included from /usr/include/c++/10/cassert:44,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:33,
                 from palindrome.cpp:1:
palindrome.cpp: In member function 'void PalTree::addLetter(char)':
palindrome.cpp:24:34: error: request for member 'len' in '((PalTree*)this)->PalTree::suff', which is of non-class type 'int'
   24 |        assert(0 <= len-2-pt[suff.len]);
      |                                  ^~~
palindrome.cpp: In member function 'PalTree::Node& PalTree::operator[](int)':
palindrome.cpp:61:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<PalTree::Node>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   61 |         if(idx >= pt.size()) {
      |            ~~~~^~~~~~~~~~~~