Submission #476920

#TimeUsernameProblemLanguageResultExecution timeMemory
476920Drew_Xylophone (JOI18_xylophone)C++17
0 / 100
1 ms292 KiB
#include "xylophone.h" #include <bits/stdc++.h> using namespace std; static int a[5069]; void solve(int n) { int l = 1, r = n-1; while (l < r) { int mid = (l + r + 1) >> 1; if (query(mid, n) == n-1) l = mid; else r = mid - 1; } a[l] = 1; for (int i = l-1, prv = 0; i >= 1; --i) { int x = query(i, l); if (x > prv) a[i] = x+1; prv = x; } for (int i = l-1, prv = l; i >= 1; --i) { if (a[i]) prv = i; else a[i] = a[prv] - query(i, prv); } for (int i = l+1, prv = 0; i <= n; ++i) { int x = query(l, i); if (x > prv) a[i] = x+1; prv = x; } for (int i = l+1, prv = l; i <= n; ++i) { if (a[i]) prv = i; else a[i] = a[prv] - query(prv, i); } for (int i = 1; i <= n; ++i) cerr << a[i] << " \n"[i == n]; for (int i = 1; i <= n; ++i) answer(i, a[i]); }
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...