제출 #944984

#제출 시각아이디문제언어결과실행 시간메모리
944984hmm789카멜레온의 사랑 (JOI20_chameleon)C++14
0 / 100
17 ms512 KiB
#include "chameleon.h" #include <bits/stdc++.h> using namespace std; int fw[505]; void update(int x, int v) { for(x++; x < 505; x += x&-x) fw[x] += v; } int query(int x) { int ans = 0; for(x++; x; x -= x&-x) ans += fw[x]; return ans; } void Solve(int N) { for(int i = 0; i < N; i++) { int l = 1, r = 2*N, m; while(l < r) { m = (l+r)/2; vector<int> v; for(int j = 1; j <= m; j++) v.push_back(j); int q = Query(v); if(q >= m-query(m)) l = m+1; else r = m; } int second = l, first = -1; for(int j = 1; j < second; j++) { vector<int> v; v.push_back(j); v.push_back(second); if(Query(v) == 1) { first = j; break; } } update(second, 1); Answer(first, second); } }
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