제출 #75054

#제출 시각아이디문제언어결과실행 시간메모리
75054KieranHorgan자동 인형 (IOI18_doll)C++17
2 / 100
74 ms19456 KiB
#include "doll.h" #include <bits/stdc++.h> using namespace std; pair<int, int> exits[400005]; vector<int> C, X, Y; vector<int> afterInList[400005]; int nextSwitchIdx = -1; int build(int i, vector<int> cur) { if(cur.size() == 1) { return cur[0]; } if(X.size() < abs(i)) { X.resize(abs(i)); Y.resize(abs(i)); } vector<int> nextCur; for(int i = 0; i < cur.size(); i+=2) nextCur.push_back(cur[i]); X[i] = build(nextSwitchIdx--, nextCur); nextCur.clear(); for(int i = 1; i < cur.size(); i+=2) nextCur.push_back(cur[i]); Y[i] = build(nextSwitchIdx--, nextCur); return i; } void create_circuit(int M, vector<int> A) { int N = A.size(); C.assign(M+1, 0); afterInList[0].push_back(A[0]); for(int i = 0; i+1 < N; i++) afterInList[A[i]].push_back(A[i+1]); afterInList[A.back()].push_back(0); for(int i = 0; i <= M; i++) { if(afterInList[i].empty()) continue; C[i] = build(i, afterInList[i]); // cerr << i << ": " << C[i] << endl; } // cerr << X.size() << endl; answer(C, X, Y); }

컴파일 시 표준 에러 (stderr) 메시지

doll.cpp: In function 'int build(int, std::vector<int>)':
doll.cpp:22:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   22 |   for(int i = 0; i < cur.size(); i+=2)
      |                  ~~^~~~~~~~~~~~
doll.cpp:27:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   27 |   for(int i = 1; i < cur.size(); i+=2)
      |                  ~~^~~~~~~~~~~~
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