Submission #3392260
Source Code Expand
#include <bits/stdc++.h> using namespace std; using lint = long long int; using pint = pair<int, int>; using plint = pair<lint, lint>; struct fast_ios { fast_ios(){ cin.tie(0); ios::sync_with_stdio(false); cout << fixed << setprecision(20); }; } fast_ios_; #define FOR(i, begin, end) for(int i=(begin),i##_end_=(end);i<i##_end_;i++) #define IFOR(i, begin, end) for(int i=(end)-1,i##_begin_=(begin);i>=i##_begin_;i--) #define REP(i, n) FOR(i,0,n) #define IREP(i, n) IFOR(i,0,n) template<typename T> istream& operator>>(istream &is, vector<T> &vec){ for (auto &v : vec) is >> v; return is; } template<typename T> ostream& operator<<(ostream &os, vector<T> &vec){ os << "["; for (auto v : vec) os << v << ","; os << "]"; return os; } template<typename T> ostream& operator<<(ostream &os, set<T> &vec){ os << "{"; for (auto v : vec) os << v << ","; os << "}"; return os; } template<typename T1, typename T2> ostream& operator<<(ostream &os, pair<T1, T2> &pa){ os << "(" << pa.first << "," << pa.second << ")"; return os; } template<typename TK, typename TV> ostream& operator<<(ostream &os, map<TK, TV> &mp){ os << "{"; for (auto v : mp) os << v.first << "=>" << v.second << ","; os << "}"; return os; } #define dbg(x) cerr << #x << " = " << (x) << " (L" << __LINE__ << ") " << __FILE__ << endl; constexpr int Nmax = 200000; int main() { int N, K; cin >> N >> K; string s; cin >> s; bitset<Nmax> st(0); REP(i, N) if (s[i] == 'B') st.set(i); int now = 0; bool inv = false; REP(_, K) { if (st[now] ^ inv) { now++, inv = !inv; if (now == N) now = 0; } else st[now] = !st[now]; } REP(i, N) cout << (st[(i + now) % N] ^ inv ? 'B' : 'A'); cout << endl; }
Submission Info
Submission Time | |
---|---|
Task | D - Half Reflector |
User | hitonanode |
Language | C++14 (GCC 5.4.1) |
Score | 900 |
Code Size | 1800 Byte |
Status | AC |
Exec Time | 1930 ms |
Memory | 792 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 900 / 900 | ||||
Status |
|
|
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 | 256 KB |
in10.txt | AC | 8 ms | 788 KB |
in11.txt | AC | 9 ms | 788 KB |
in12.txt | AC | 7 ms | 788 KB |
in13.txt | AC | 8 ms | 788 KB |
in14.txt | AC | 9 ms | 788 KB |
in15.txt | AC | 8 ms | 788 KB |
in16.txt | AC | 7 ms | 788 KB |
in17.txt | AC | 9 ms | 788 KB |
in18.txt | AC | 8 ms | 788 KB |
in19.txt | AC | 7 ms | 788 KB |
in2.txt | AC | 4 ms | 592 KB |
in20.txt | AC | 8 ms | 788 KB |
in21.txt | AC | 8 ms | 788 KB |
in22.txt | AC | 1629 ms | 788 KB |
in23.txt | AC | 1631 ms | 788 KB |
in24.txt | AC | 1629 ms | 788 KB |
in25.txt | AC | 1921 ms | 788 KB |
in26.txt | AC | 1930 ms | 788 KB |
in27.txt | AC | 1923 ms | 788 KB |
in28.txt | AC | 8 ms | 788 KB |
in29.txt | AC | 8 ms | 788 KB |
in3.txt | AC | 9 ms | 788 KB |
in30.txt | AC | 8 ms | 788 KB |
in31.txt | AC | 8 ms | 788 KB |
in32.txt | AC | 9 ms | 788 KB |
in33.txt | AC | 9 ms | 788 KB |
in34.txt | AC | 9 ms | 788 KB |
in35.txt | AC | 9 ms | 788 KB |
in36.txt | AC | 9 ms | 788 KB |
in37.txt | AC | 9 ms | 788 KB |
in38.txt | AC | 9 ms | 788 KB |
in39.txt | AC | 8 ms | 788 KB |
in4.txt | AC | 1610 ms | 788 KB |
in40.txt | AC | 8 ms | 788 KB |
in41.txt | AC | 8 ms | 788 KB |
in42.txt | AC | 8 ms | 788 KB |
in5.txt | AC | 1629 ms | 792 KB |
in543.txt | AC | 8 ms | 788 KB |
in557.txt | AC | 8 ms | 788 KB |
in6.txt | AC | 1622 ms | 384 KB |
in7.txt | AC | 9 ms | 788 KB |
in8.txt | AC | 338 ms | 788 KB |
in9.txt | AC | 9 ms | 788 KB |
sample1.txt | AC | 1 ms | 256 KB |
sample2.txt | AC | 1 ms | 256 KB |
sample3.txt | AC | 201 ms | 256 KB |