제출 #627504

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
627504	2022-08-12 15:55:27	a_aguilo	Palindromic Partitions (CEOI17_palindromic)	C++17	0 / 100	23 ms	15924 KiB

palindromic

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#include<bits/stdc++.h>
using namespace std;
const int p = 73;
const long long m = 1e11 + 3;
long long int hashes[1000000];
long long int powers[1000000];
int n;
long long getHash(int start, int ending){
    if(start == 0) return hashes[ending];
    return ((hashes[ending] - (hashes[start - 1] * powers[ending - start+1])%m)%m + m)%m;
}
int main(){
    int t;
    string s;
    cin >> t;
    while(t--){
        cin >> s;
        n = s.size();
        memset(hashes, 0, sizeof(hashes));
        memset(powers, 0, sizeof(powers));
        hashes[0] = s[0]-'a'+1;
        powers[0] = 1;
        for(int i = 1; i < s.size(); ++i){
            hashes[i] = (((__int128)hashes[i-1]*p)%m + (s[i]-'a' + 1))%m;
            powers[i] = ((__int128)powers[i-1]*p)%m;
 
 
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컴파일 시 표준 에러 (stderr) 메시지

palindromic.cpp: In function 'int main()':
palindromic.cpp:28:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   28 |         for(int i = 1; i < s.size(); ++i){
      |                        ~~^~~~~~~~~~

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• Subtask 2: 0 / 20
• Subtask 3: 0 / 25
• Subtask 4: 0 / 40