제출 #952028

#제출 시각아이디문제언어결과실행 시간메모리
952028Yell0크레이피쉬 글쓰는 기계 (IOI12_scrivener)C++17
100 / 100
618 ms95648 KiB
#include <bits/stdc++.h> using namespace std; struct node { vector<int> anc; int len; char letter; int point; }; vector<node> hist; void Init() { node n; n.len = 0; n.letter = 0; n.point = 0; hist.emplace_back(n); } void TypeLetter(char L) { node n; int uidx = hist[hist.size() - 1].point; node u = hist[uidx]; n.letter = L; n.len = u.len + 1; n.point = hist.size(); for(int i=0, curr=uidx; 1; ++i) { n.anc.emplace_back(curr); if(i >= hist[curr].anc.size()) break; curr = hist[curr].anc[i]; } hist.emplace_back(n); } void UndoCommands(int U) { node n; n.len = -1; n.letter = 0; n.point = hist[hist.size() - 1 - U].point; hist.emplace_back(n); } char GetLetter(int P) { int uidx = hist[hist.size() - 1].point; node u = hist[uidx]; int dist = u.len-P-1, curr = uidx; for(int i=20; i>=0; --i) { if(((1<<i) & dist) == 0) continue; curr = hist[curr].anc[i]; } return hist[curr].letter; }

컴파일 시 표준 에러 (stderr) 메시지

scrivener.cpp: In function 'void TypeLetter(char)':
scrivener.cpp:30:10: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   30 |     if(i >= hist[curr].anc.size()) break;
      |        ~~^~~~~~~~~~~~~~~~~~~~~~~~
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...