제출 #205602

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
205602	2020-02-29 09:31:02	mihai50000	회문 (APIO14_palindrome)	C++17	100 / 100	73 ms	40852 KiB

palindrome

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#include <bits/stdc++.h>
using namespace std;
#define int long long
struct PalTree {
    struct Node {
        map<char, int> leg;
        int link, len, cnt;
    };
    vector<Node> T;
    int nodes = 2;
  int ans = 0;
  
    PalTree(string str) : T(str.size() + 2) {
        T[1].link = T[1].len = 0;
        T[0].link = T[0].len = -1;
        int last = 0;
        for (int i = 0; i < (int)str.size(); ++i) {
            char now = str[i];
            
            int node = last;
            while (now != str[i - T[node].len - 1])
                node = T[node].link;
            
            if (T[node].leg.count(now)) {
                node = T[node].leg[now];
                T[node].cnt += 1;
 
 
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컴파일 시 표준 에러 (stderr) 메시지

palindrome.cpp:64:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main()
      ^

• Subtask 1: 8 / 8
• Subtask 2: 15 / 15
• Subtask 3: 24 / 24
• Subtask 4: 26 / 26
• Subtask 5: 27 / 27