제출 #1157441

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
1157441	2025-02-25 18:31:01	CodeLakVN	Palindromic Partitions (CEOI17_palindromic)	C++20	0 / 100	7 ms	8256 KiB

palindromic

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#include <bits/stdc++.h>
using namespace std;
#define task "PALINDROMIC"
#define FOR(i, a, b) for (int i = (a); i <= (b); i++)
#define FOD(i, a, b) for (int i = (a); i >= (b); i--)
#define ll long long
const int N = (int)1e6 + 5;
const int base = 311;
const int MOD = (int)1e9 + 7;
int n;
string s;
ll hsh[N], poww[N];
void prepare() {
    hsh[0] = 0;
    n = s.size();
    s = " " + s;
    FOR(i, 1, n) hsh[i] = (hsh[i - 1] * base + s[i] - 'a' + 1) % MOD;
}
ll get(int l, int r) {
    return (hsh[r] - hsh[l - 1] * poww[r - l + 1] + 1LL * MOD * MOD) % MOD;
}
void solve() {
    int l = 1, r = n;
 
 
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컴파일 시 표준 에러 (stderr) 메시지

palindromic.cpp: In function 'int main()':
palindromic.cpp:53:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   53 |         freopen(task".inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
palindromic.cpp:54:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   54 |         freopen(task".out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

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