제출 #1067319

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
1067319	2024-08-20 14:40:29	lmaobruh	무제 (POI11_rot)	C++14	100 / 100	189 ms	40400 KiB

Main

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#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define ll long long
const int N = 4e5+5, sizeBit = 2e5+5;
int ft[sizeBit];
int get(int p) {
  int tot = 0;
  for (; p <= N/2; p += p & -p)
    tot += ft[p];
  return tot;
}
void upd(int p, int v) {
  for (; p; p -= p & -p)
    ft[p] += v;
}
int n, a[N], curr = 1, sz[N], big[N];
vector<int> g[N];
ll ans[N], inv;
void read() {
  int x;
  cin >> x;
  if (x) return a[curr] = x, void();
  int tmp = curr;
  g[tmp].pb(++curr); g[curr].pb(tmp);
 
 
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컴파일 시 표준 에러 (stderr) 메시지

rot.cpp: In function 'void dfs(int, int)':
rot.cpp:92:48: warning: 'node' may be used uninitialized in this function [-Wmaybe-uninitialized]
   92 |   ans[u] += min(inv, 1LL * sz[big[u]] * sz[node] - inv);
      |                                         ~~~~~~~^

• Subtask 1: 9 / 9
• Subtask 2: 9 / 9
• Subtask 3: 9 / 9
• Subtask 4: 9 / 9
• Subtask 5: 9 / 9
• Subtask 6: 9 / 9
• Subtask 7: 9 / 9
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• Subtask 10: 9 / 9
• Subtask 11: 10 / 10