Submission #1164972
Source Code Expand
#include<bits/stdc++.h> using namespace std; typedef long long LL; #define CIN_ONLY if(1) struct cww{cww(){ CIN_ONLY{ ios::sync_with_stdio(false);cin.tie(0); } }}star; #define fin "\n" #define FOR(i,bg,ed) for(int i=(bg);i<(ed);i++) #define REP(i,n) FOR(i,0,n) #define ALL(v) (v).begin(),(v).end() #define fi first #define se second #define pb push_back #define DEBUG if(0) #define REC(ret, ...) std::function<ret (__VA_ARGS__)> template <typename T>inline void chmin(T &l,T r){l=min(l,r);} template <typename T>inline void chmax(T &l,T r){l=max(l,r);} template <typename T> istream& operator>>(istream &is,vector<T> &v){ for(auto &it:v)is>>it; return is; } int main(){ int N,K; string s; cin>>N>>K>>s; vector<int> bin(N); REP(i,N)bin[i]=s[i]-'A'; int bg=1,ed=N; int rev=0; int fi=bin[0]; for(int e=0;ed>bg;e=1-e,ed--) if(bin[ed-1]!=e)break; while(K){ if(ed-bg<1&&fi==1)break; if(fi==0)fi=1; else{ int val=bin[bg]^rev; if(val==1){ fi=0; }else{ fi=1; } rev=1-rev; bg++; } K--; } if(N%2){ fi=fi^(K%2); } FOR(i,bg,ed)s[i-bg+1]=(bin[i]^rev)+'A'; for(int i=N-1,e=0;i>ed-bg;i--,e=1-e)s[i]=e+'A'; s[0]=fi+'A'; cout<<s<<endl; return 0; }
Submission Info
Submission Time | |
---|---|
Task | D - Half Reflector |
User | btk15049 |
Language | C++14 (GCC 5.4.1) |
Score | 900 |
Code Size | 1452 Byte |
Status | AC |
Exec Time | 4 ms |
Memory | 1560 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 | 3 ms | 1556 KB |
in11.txt | AC | 4 ms | 1556 KB |
in12.txt | AC | 3 ms | 1556 KB |
in13.txt | AC | 3 ms | 1556 KB |
in14.txt | AC | 4 ms | 1556 KB |
in15.txt | AC | 3 ms | 1556 KB |
in16.txt | AC | 3 ms | 1556 KB |
in17.txt | AC | 3 ms | 1556 KB |
in18.txt | AC | 3 ms | 1556 KB |
in19.txt | AC | 3 ms | 1556 KB |
in2.txt | AC | 2 ms | 976 KB |
in20.txt | AC | 3 ms | 1556 KB |
in21.txt | AC | 3 ms | 1556 KB |
in22.txt | AC | 4 ms | 1556 KB |
in23.txt | AC | 4 ms | 1556 KB |
in24.txt | AC | 4 ms | 1556 KB |
in25.txt | AC | 4 ms | 1556 KB |
in26.txt | AC | 4 ms | 1556 KB |
in27.txt | AC | 4 ms | 1556 KB |
in28.txt | AC | 3 ms | 1556 KB |
in29.txt | AC | 3 ms | 1556 KB |
in3.txt | AC | 3 ms | 1556 KB |
in30.txt | AC | 3 ms | 1556 KB |
in31.txt | AC | 3 ms | 1556 KB |
in32.txt | AC | 3 ms | 1556 KB |
in33.txt | AC | 3 ms | 1556 KB |
in34.txt | AC | 4 ms | 1556 KB |
in35.txt | AC | 4 ms | 1556 KB |
in36.txt | AC | 4 ms | 1556 KB |
in37.txt | AC | 4 ms | 1556 KB |
in38.txt | AC | 4 ms | 1556 KB |
in39.txt | AC | 3 ms | 1556 KB |
in4.txt | AC | 4 ms | 1556 KB |
in40.txt | AC | 3 ms | 1556 KB |
in41.txt | AC | 3 ms | 1556 KB |
in42.txt | AC | 3 ms | 1556 KB |
in5.txt | AC | 4 ms | 1560 KB |
in543.txt | AC | 3 ms | 1556 KB |
in557.txt | AC | 3 ms | 1556 KB |
in6.txt | AC | 1 ms | 256 KB |
in7.txt | AC | 3 ms | 1556 KB |
in8.txt | AC | 4 ms | 1556 KB |
in9.txt | AC | 3 ms | 1556 KB |
sample1.txt | AC | 1 ms | 256 KB |
sample2.txt | AC | 1 ms | 256 KB |
sample3.txt | AC | 1 ms | 256 KB |