Submission #75439406

Source Code Expand

#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define LONGMAX 1e18
#define INTMAX 2147483647

int main(void)
{
    string S;
    cin >> S;
    ll S_length = S.length();
    ll left = 0;
    ll ans = 0;
    for (ll i = 1; i < S_length; i++)
    {
        if (S[i - 1] == S[i])
        {
            // 切れ目発見, leftからi-1までの部分文字列を計上
            ll n = (i - 1) - left + 1;
            ans += ((n) * (n + 1) / 2);
            left = i;
            // cout << i << endl;
        }
    }
    // 最後の部分文字列についても計上
    ll n = (S_length - 1) - left + 1;
    ans += ((n) * (n + 1) / 2);
    cout << ans % 998244353 << endl;
    return 0;
}

Submission Info

Submission Time
Task C - Not Adjacent
User lalashvbp
Language C++23 (GCC 15.2.0)
Score 300
Code Size 743 Byte
Status AC
Exec Time 6 ms
Memory 4024 KiB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 300 / 300
Status
AC × 2
AC × 28
Set Name Test Cases
Sample sample_01.txt, sample_02.txt
All min.txt, random_01.txt, random_02.txt, random_03.txt, random_04.txt, random_05.txt, random_06.txt, random_07.txt, random_08.txt, random_09.txt, random_10.txt, random_11.txt, random_12.txt, random_13.txt, random_14.txt, random_15.txt, random_16.txt, random_17.txt, random_18.txt, random_19.txt, random_20.txt, random_21.txt, random_22.txt, random_23.txt, random_24.txt, random_25.txt, sample_01.txt, sample_02.txt
Case Name Status Exec Time Memory
min.txt AC 1 ms 3460 KiB
random_01.txt AC 5 ms 3948 KiB
random_02.txt AC 4 ms 3828 KiB
random_03.txt AC 5 ms 3816 KiB
random_04.txt AC 3 ms 3764 KiB
random_05.txt AC 5 ms 3960 KiB
random_06.txt AC 2 ms 3872 KiB
random_07.txt AC 5 ms 3816 KiB
random_08.txt AC 2 ms 3864 KiB
random_09.txt AC 5 ms 3896 KiB
random_10.txt AC 5 ms 3756 KiB
random_11.txt AC 6 ms 3824 KiB
random_12.txt AC 1 ms 3652 KiB
random_13.txt AC 6 ms 3804 KiB
random_14.txt AC 5 ms 3828 KiB
random_15.txt AC 6 ms 3812 KiB
random_16.txt AC 3 ms 3772 KiB
random_17.txt AC 6 ms 3896 KiB
random_18.txt AC 4 ms 3832 KiB
random_19.txt AC 5 ms 3960 KiB
random_20.txt AC 2 ms 3800 KiB
random_21.txt AC 5 ms 3944 KiB
random_22.txt AC 4 ms 3728 KiB
random_23.txt AC 5 ms 4024 KiB
random_24.txt AC 2 ms 3696 KiB
random_25.txt AC 5 ms 3804 KiB
sample_01.txt AC 1 ms 3548 KiB
sample_02.txt AC 1 ms 3612 KiB