제출 #1276008

#제출 시각아이디문제언어결과실행 시간메모리
1276008papauloKlasika (COCI20_klasika)C++20
33 / 110
5092 ms2632 KiB
#include <bits/stdc++.h> using namespace std; #define MAXQ 200200 vector<int> chi[MAXQ]; int val[MAXQ]; int t=1; int dfs(int v, int vl) { int ans=val[v]^vl; for(auto u : chi[v]) { ans=max(ans, dfs(u, vl)); } return ans; } int main() { cin.tie(nullptr); ios::sync_with_stdio(false); val[1]=0; int q; cin >> q; for(int i=0;i<q;i++) { string op; cin >> op; if(op=="Add") { int x, y; cin >> x >> y; ++t; chi[x].push_back(t); val[t]=val[x]^y; } else { int a, b; cin >> a >> b; cout << dfs(b, val[a]) << "\n"; } } }
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