Submission #972065

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
972065	2024-04-30 01:57:04	ghostlywalrus	Race (IOI11_race)	C++17	100 / 100	338 ms	31824 KiB

race

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#include <bits/stdc++.h>
#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
using namespace std;
#define ll long long
#define PI pair<int,int>
#define f first
#define s second
#define pb push_back
#define szo(x) ((int)x.size())
#define all(a) (a).begin(), a.end()
#define dbg(v)                                                                 \
    cout << "Line(" << _LINE << ") -> " << #v << " = " << (v) << endl;
int const INF = 0x3f3f3f3f;
ll const LINF = 0x3f3f3f3f3f3f3f3fll;
const int maxn = 2e5+10;
vector<PI> adj[maxn];
int subsize[maxn];
bool isremoved[maxn];
int get_subsize(int x, int prev=-1){
   subsize[x] = 1;
   for (auto [nex, w] : adj[x]){
    if (nex == prev || isremoved[nex]) continue;
    subsize[x] += get_subsize(nex, x);
   }
 
 
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• Subtask 1: 9 / 9
• Subtask 2: 12 / 12
• Subtask 3: 22 / 22
• Subtask 4: 57 / 57