제출 #588955

#제출 시각아이디문제언어결과실행 시간메모리
588955ArnchThe Potion of Great Power (CEOI20_potion)C++17
0 / 100
51 ms8444 KiB
#include<bits/stdc++.h> using namespace std; const int N = 1e3 + 10, maxn = 1e6 + 10; int n, d, h[maxn], a[maxn], b[maxn]; set<int> st[N]; void init(int N, int D, int H[]) { n = N, d = D; for(int i = 0; i < n; i++) h[i] = H[i]; } void curseChanges(int U, int A[], int B[]) { for(int i = 0; i < U; i++) { a[i] = A[i], b[i] = B[i]; } for(int i = 0; i < U; i++) { auto it = st[a[i]].find(b[i]); if(*it == b[i]) st[a[i]].erase(b[i]); else st[a[i]].insert(b[i]); it = st[b[i]].find(a[i]); if(*it == a[i]) st[b[i]].erase(a[i]); else st[b[i]].insert(a[i]); } } int question(int x, int y, int v) { int ans = 1e9; for(auto it : st[x]) { for(auto it2 : st[y]) { ans = min(ans, abs(h[it] - h[it2])); } } return ans; }
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