Submission #1169761

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1169761	2025-03-19 07:15:59	fryingduc	Fish 3 (JOI24_fish3)	C++20	100 / 100	492 ms	125460 KiB

Main

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#include "bits/stdc++.h"
using namespace std;
#ifdef duc_debug
#include "bits/debug.h"
#else
#define debug(...)
#endif
const int maxn = 3e5 + 5;
const int LG = 19;
int n, q;
long long d, c[maxn];
long long prf[maxn], df[maxn];
long long ps[maxn];
long long st[maxn][LG + 1];
vector<int> g[maxn];
int pr[maxn], up[maxn][LG + 1];
long long dep[maxn];
void pre_dfs(int u) {
  for (auto v : g[u]) {
    up[v][0] = u;
    for (int i = 1; i <= LG; ++i) {
      up[v][i] = up[up[v][i - 1]][i - 1];
    }
    dep[v] = dep[u] + 1ll * (v - u) * (c[v] - prf[v]);
    pre_dfs(v);
 
 
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• Subtask 1: 9 / 9
• Subtask 2: 7 / 7
• Subtask 3: 28 / 28
• Subtask 4: 20 / 20
• Subtask 5: 36 / 36