제출 #860680

#제출 시각아이디문제언어결과실행 시간메모리
860680Ludissey디지털 회로 (IOI22_circuit)C++17
0 / 100
13 ms3980 KiB
#include "circuit.h" #include <bits/stdc++.h> using namespace std; int N,M; vector<vector<int>> tree; vector<int> state; vector<int> poss; int dfs(int i){ if(tree[i][0]>=N) return poss[i]=state[tree[i][0]]+state[tree[i][1]]; cout << i << "-i " << poss[i]<<"-possib \n"; int l=dfs(tree[i][0]),r=dfs(tree[i][1]); int lv=poss[tree[i][0]], rv=poss[tree[i][1]]; poss[i]=(2*lv*rv)+(l*(2-r))+r*(2-l); return max(l,1)+max(r,1); } void init(int n, int m, std::vector<int> P, std::vector<int> A) { N=n; M=m; tree.resize(N+M); state.resize(N+M); for (int i = 1; i < N+M; i++) tree[P[i]].push_back(i); for (int i = N; i < N+M; i++) state[i] = A[i-N]; } int count_ways(int L, int R) { poss.clear(); poss.resize(N+M,0); for (int i = L; i <= R; i++) state[i] = 1-state[i]; int d=dfs(0); return poss[0]; }

컴파일 시 표준 에러 (stderr) 메시지

circuit.cpp: In function 'int count_ways(int, int)':
circuit.cpp:32:7: warning: unused variable 'd' [-Wunused-variable]
   32 |   int d=dfs(0);
      |       ^
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