제출 #748646

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
748646	2023-05-26 16:53:03	mariowong	Palindromic Partitions (CEOI17_palindromic)	C++14	100 / 100	1934 ms	19032 KiB

palindromic

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#include <bits/stdc++.h>
#define hmod (long long)99999989
using namespace std;
 
int t,n,l,r,anss;
long long a[1000005],sum;
string s;
long long fpow(long long a,long long b){
  long long ans=1,base=a;
  while (b > 0){
    if ((b&1) == 1) ans=ans*base%hmod;
    base=base*base%hmod;
    b/=2;
  }
  return ans;
}
int main(){
  ios::sync_with_stdio(false);
  cin >> t;
  while (t--){
    cin >> s; n=s.length();
    sum=1;
    for (int i=0;i<n;i++){
      a[i]=(s[i]-'a')*sum;
      a[i]+=a[i-1];
      a[i]%=hmod;
      sum*=26; sum%=hmod;
    }
    l=0; r=n-1; anss=0;
    for (int i=0;i<n;i++){
 
 
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• Subtask 1: 15 / 15
• Subtask 2: 20 / 20
• Subtask 3: 25 / 25
• Subtask 4: 40 / 40