Submission #74665444

Source Code Expand

#include <iostream>
#include <string>
using namespace std;
int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    string S, T;
    cin >> S >> T;
    int n = S.size();
    int m = T.size();
    long long t = (long long)n * (n + 1) / 2;
    if (m > n) {
        cout << t;
        return 0;
    }
    long long bad = 0;
    int left = 0;
    for (int r = 0; r < n; ++r) {
        while (left <= r) {
            int p = left;
            bool contain = true;
            for (char c : T) {
                while (p <= r && S[p] != c) p++;
                if (p > r) {
                    contain = false;
                    break;
                }
                p++;
            }
            if (contain) left++;
            else break;
        }
        bad += left;
    }
    cout << t - bad;
    return 0;
}

Submission Info

Submission Time
Task D - No-Subsequence Substring
User xuhanjin
Language C++23 (GCC 15.2.0)
Score 400
Code Size 867 Byte
Status AC
Exec Time 172 ms
Memory 3924 KiB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 400 / 400
Status
AC × 3
AC × 56
Set Name Test Cases
Sample 00_sample_00.txt, 00_sample_01.txt, 00_sample_02.txt
All 00_sample_00.txt, 00_sample_01.txt, 00_sample_02.txt, 01_random_03.txt, 01_random_04.txt, 01_random_05.txt, 01_random_06.txt, 01_random_07.txt, 01_random_08.txt, 01_random_09.txt, 01_random_10.txt, 01_random_11.txt, 01_random_12.txt, 01_random_13.txt, 01_random_14.txt, 01_random_15.txt, 01_random_16.txt, 01_random_17.txt, 01_random_18.txt, 01_random_19.txt, 01_random_20.txt, 01_random_21.txt, 01_random_22.txt, 01_random_23.txt, 01_random_24.txt, 01_random_25.txt, 01_random_26.txt, 01_random_27.txt, 01_random_28.txt, 01_random_29.txt, 01_random_30.txt, 01_random_31.txt, 01_random_32.txt, 01_random_33.txt, 01_random_34.txt, 01_random_35.txt, 01_random_36.txt, 01_random_37.txt, 01_random_38.txt, 01_random_39.txt, 01_random_40.txt, 01_random_41.txt, 01_random_42.txt, 01_random_43.txt, 01_random_44.txt, 01_random_45.txt, 01_random_46.txt, 01_random_47.txt, 01_random_48.txt, 01_random_49.txt, 01_random_50.txt, 01_random_51.txt, 01_random_52.txt, 01_random_53.txt, 01_random_54.txt, 01_random_55.txt
Case Name Status Exec Time Memory
00_sample_00.txt AC 1 ms 3644 KiB
00_sample_01.txt AC 1 ms 3604 KiB
00_sample_02.txt AC 1 ms 3552 KiB
01_random_03.txt AC 71 ms 3844 KiB
01_random_04.txt AC 104 ms 3904 KiB
01_random_05.txt AC 36 ms 3852 KiB
01_random_06.txt AC 55 ms 3748 KiB
01_random_07.txt AC 44 ms 3700 KiB
01_random_08.txt AC 83 ms 3728 KiB
01_random_09.txt AC 130 ms 3892 KiB
01_random_10.txt AC 97 ms 3844 KiB
01_random_11.txt AC 165 ms 3924 KiB
01_random_12.txt AC 31 ms 3916 KiB
01_random_13.txt AC 36 ms 3732 KiB
01_random_14.txt AC 112 ms 3840 KiB
01_random_15.txt AC 130 ms 3896 KiB
01_random_16.txt AC 158 ms 3848 KiB
01_random_17.txt AC 105 ms 3784 KiB
01_random_18.txt AC 35 ms 3852 KiB
01_random_19.txt AC 172 ms 3740 KiB
01_random_20.txt AC 105 ms 3736 KiB
01_random_21.txt AC 44 ms 3672 KiB
01_random_22.txt AC 159 ms 3892 KiB
01_random_23.txt AC 169 ms 3692 KiB
01_random_24.txt AC 56 ms 3688 KiB
01_random_25.txt AC 67 ms 3828 KiB
01_random_26.txt AC 55 ms 3828 KiB
01_random_27.txt AC 53 ms 3836 KiB
01_random_28.txt AC 86 ms 3732 KiB
01_random_29.txt AC 64 ms 3828 KiB
01_random_30.txt AC 46 ms 3788 KiB
01_random_31.txt AC 51 ms 3896 KiB
01_random_32.txt AC 4 ms 3832 KiB
01_random_33.txt AC 67 ms 3828 KiB
01_random_34.txt AC 55 ms 3888 KiB
01_random_35.txt AC 82 ms 3852 KiB
01_random_36.txt AC 70 ms 3728 KiB
01_random_37.txt AC 43 ms 3784 KiB
01_random_38.txt AC 44 ms 3872 KiB
01_random_39.txt AC 47 ms 3784 KiB
01_random_40.txt AC 9 ms 3784 KiB
01_random_41.txt AC 14 ms 3840 KiB
01_random_42.txt AC 14 ms 3888 KiB
01_random_43.txt AC 3 ms 3756 KiB
01_random_44.txt AC 9 ms 3888 KiB
01_random_45.txt AC 3 ms 3780 KiB
01_random_46.txt AC 15 ms 3872 KiB
01_random_47.txt AC 9 ms 3844 KiB
01_random_48.txt AC 1 ms 3708 KiB
01_random_49.txt AC 11 ms 3832 KiB
01_random_50.txt AC 5 ms 3888 KiB
01_random_51.txt AC 19 ms 3840 KiB
01_random_52.txt AC 1 ms 3844 KiB
01_random_53.txt AC 1 ms 3444 KiB
01_random_54.txt AC 1 ms 3568 KiB
01_random_55.txt AC 1 ms 3444 KiB