Submission #74650909

Source Code Expand

#include <bits/stdc++.h>
#define endl '\n'
using namespace std;

int n, m, tot, cnt, nxt[200005][26];
string s, t;

main()
{
    ios::sync_with_stdio(0);
    cin.tie(0), cout.tie(0);
    cin >> s >> t;
    n = s.size(), m = t.size();
    s = " " + s, t = " " + t;
    for (int c = 0; c < 26; c++)
        nxt[n + 1][c] = n + 1;
    for (int i = n; i >= 1; i--)
    {
        for (int c = 0; c < 26; c++)
            nxt[i][c] = nxt[i + 1][c];
        nxt[i][s[i] - 'a'] = i;
    }
    tot = 1LL * n * (n + 1) / 2;
    for (int i = 1; i <= n; i++)
    {
        int idx = i;
        bool f = false;
        for (int j = 1; j <= m; j++)
        {
            idx = nxt[idx][t[j] - 'a'];
            if (idx == n + 1)
            {
                f = true;
                break;
            }
            idx++;
        }
        if (!f)
            cnt += (n - (idx - 1) + 1);
    }
    cout << tot - cnt << endl;
    return 0;
}

Submission Info

Submission Time
Task D - No-Subsequence Substring
User xzy404
Language C++23 (GCC 15.2.0)
Score 400
Code Size 973 Byte
Status AC
Exec Time 37 ms
Memory 24284 KiB

Compile Error

./Main.cpp:8:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
    8 | main()
      | ^~~~

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 3436 KiB
00_sample_01.txt AC 1 ms 3588 KiB
00_sample_02.txt AC 1 ms 3480 KiB
01_random_03.txt AC 15 ms 16340 KiB
01_random_04.txt AC 19 ms 16992 KiB
01_random_05.txt AC 8 ms 10868 KiB
01_random_06.txt AC 10 ms 10576 KiB
01_random_07.txt AC 10 ms 14236 KiB
01_random_08.txt AC 20 ms 24104 KiB
01_random_09.txt AC 26 ms 24148 KiB
01_random_10.txt AC 22 ms 24164 KiB
01_random_11.txt AC 30 ms 24204 KiB
01_random_12.txt AC 13 ms 24112 KiB
01_random_13.txt AC 13 ms 24056 KiB
01_random_14.txt AC 23 ms 24224 KiB
01_random_15.txt AC 25 ms 24060 KiB
01_random_16.txt AC 29 ms 24176 KiB
01_random_17.txt AC 23 ms 24156 KiB
01_random_18.txt AC 14 ms 24156 KiB
01_random_19.txt AC 33 ms 24284 KiB
01_random_20.txt AC 23 ms 24256 KiB
01_random_21.txt AC 15 ms 24280 KiB
01_random_22.txt AC 30 ms 24152 KiB
01_random_23.txt AC 32 ms 24156 KiB
01_random_24.txt AC 29 ms 24124 KiB
01_random_25.txt AC 37 ms 24152 KiB
01_random_26.txt AC 22 ms 24208 KiB
01_random_27.txt AC 27 ms 24156 KiB
01_random_28.txt AC 30 ms 24152 KiB
01_random_29.txt AC 26 ms 24156 KiB
01_random_30.txt AC 22 ms 24148 KiB
01_random_31.txt AC 22 ms 24284 KiB
01_random_32.txt AC 12 ms 24260 KiB
01_random_33.txt AC 27 ms 24136 KiB
01_random_34.txt AC 23 ms 24244 KiB
01_random_35.txt AC 31 ms 23992 KiB
01_random_36.txt AC 27 ms 24112 KiB
01_random_37.txt AC 21 ms 24100 KiB
01_random_38.txt AC 21 ms 24280 KiB
01_random_39.txt AC 22 ms 24088 KiB
01_random_40.txt AC 16 ms 22044 KiB
01_random_41.txt AC 23 ms 19800 KiB
01_random_42.txt AC 21 ms 21236 KiB
01_random_43.txt AC 6 ms 10140 KiB
01_random_44.txt AC 16 ms 18560 KiB
01_random_45.txt AC 5 ms 7452 KiB
01_random_46.txt AC 24 ms 21392 KiB
01_random_47.txt AC 14 ms 13408 KiB
01_random_48.txt AC 4 ms 10016 KiB
01_random_49.txt AC 17 ms 17044 KiB
01_random_50.txt AC 12 ms 20508 KiB
01_random_51.txt AC 30 ms 23988 KiB
01_random_52.txt AC 11 ms 24152 KiB
01_random_53.txt AC 1 ms 3508 KiB
01_random_54.txt AC 1 ms 3536 KiB
01_random_55.txt AC 1 ms 3484 KiB