Submission #74529905

Source Code Expand

#include <bits/stdc++.h>
using namespace std;
int n, k;
bitset<200010> r;
int main(){
    ios::sync_with_stdio(0), cin.tie(0), cout.tie(0);
    cin >> n >> k;
    for (int i = 1; i <= n; ++i){
        char c;
        cin >> c;
        r[i] = c == 'A';
    }
    if (k > n + n)k = n + n + (k & 1);
    while (k--){
        if (r[1])r[1].flip();
        else {
            r >>= 1, r[n] = 0;
            r.flip();
        }
    }
    for (int i = 1; i <= n; ++i)cout << "BA"[r[i]];
    cout << endl;
    return 0;
}

Submission Info

Submission Time
Task D - Half Reflector
User szt100309
Language C++23 (GCC 15.2.0)
Score 900
Code Size 536 Byte
Status AC
Exec Time 205 ms
Memory 3868 KiB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 900 / 900
Status
AC × 3
AC × 50
Set Name Test Cases
Sample sample1.txt, sample2.txt, sample3.txt
All sample1.txt, sample2.txt, sample3.txt, in1.txt, in10.txt, in11.txt, in12.txt, in13.txt, in14.txt, in15.txt, in16.txt, in17.txt, in18.txt, in19.txt, in2.txt, in20.txt, in21.txt, in22.txt, in23.txt, in24.txt, in25.txt, in26.txt, in27.txt, in28.txt, in29.txt, in3.txt, in30.txt, in31.txt, in32.txt, in33.txt, in34.txt, in35.txt, in36.txt, in37.txt, in38.txt, in39.txt, in4.txt, in40.txt, in41.txt, in42.txt, in5.txt, in543.txt, in557.txt, in6.txt, in7.txt, in8.txt, in9.txt, sample1.txt, sample2.txt, sample3.txt
Case Name Status Exec Time Memory
in1.txt AC 1 ms 3656 KiB
in10.txt AC 139 ms 3624 KiB
in11.txt AC 135 ms 3760 KiB
in12.txt AC 136 ms 3656 KiB
in13.txt AC 136 ms 3784 KiB
in14.txt AC 134 ms 3736 KiB
in15.txt AC 137 ms 3708 KiB
in16.txt AC 134 ms 3552 KiB
in17.txt AC 92 ms 3552 KiB
in18.txt AC 135 ms 3708 KiB
in19.txt AC 134 ms 3532 KiB
in2.txt AC 8 ms 3708 KiB
in20.txt AC 92 ms 3616 KiB
in21.txt AC 133 ms 3760 KiB
in22.txt AC 202 ms 3620 KiB
in23.txt AC 200 ms 3616 KiB
in24.txt AC 202 ms 3760 KiB
in25.txt AC 169 ms 3700 KiB
in26.txt AC 170 ms 3620 KiB
in27.txt AC 170 ms 3624 KiB
in28.txt AC 46 ms 3736 KiB
in29.txt AC 57 ms 3532 KiB
in3.txt AC 92 ms 3552 KiB
in30.txt AC 67 ms 3736 KiB
in31.txt AC 76 ms 3656 KiB
in32.txt AC 82 ms 3708 KiB
in33.txt AC 92 ms 3700 KiB
in34.txt AC 111 ms 3784 KiB
in35.txt AC 127 ms 3624 KiB
in36.txt AC 150 ms 3700 KiB
in37.txt AC 176 ms 3624 KiB
in38.txt AC 205 ms 3544 KiB
in39.txt AC 65 ms 3624 KiB
in4.txt AC 202 ms 3768 KiB
in40.txt AC 66 ms 3784 KiB
in41.txt AC 65 ms 3728 KiB
in42.txt AC 67 ms 3656 KiB
in5.txt AC 203 ms 3532 KiB
in543.txt AC 4 ms 3592 KiB
in557.txt AC 4 ms 3552 KiB
in6.txt AC 1 ms 3700 KiB
in7.txt AC 93 ms 3532 KiB
in8.txt AC 202 ms 3552 KiB
in9.txt AC 81 ms 3760 KiB
sample1.txt AC 1 ms 3580 KiB
sample2.txt AC 1 ms 3868 KiB
sample3.txt AC 1 ms 3552 KiB