Submission #1155988

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1155988	2025-02-23 14:57:41	kitkat12	Race (IOI11_race)	C++20	0 / 100	3 ms	7488 KiB

race

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int,int> pii;
#define mp make_pair
#define pb push_back
#define F first
#define S second
#define debug(x) std::cout << #x << ": " << x << "\n"
#define all(v) v.begin(), v.end()
#define li(i,a,b) for (int (i) = (a); (i) < (b); (i)++)
#define endl '\n'
#define mem(name,val) memset(name,val,sizeof(name))
#define min(a,b) (a<=b ? a : b)
#define max(a,b) (a>=b ? a : b)
//using u64 = uint64_t;
//using u128 = __uint128_t;
const int nmax = 2e5+3;
vector<pii> adj[nmax];
int sz[nmax], r[nmax];
int K; ll ans=INT_MAX;
int dfs_sz(int u, int p=-1){
    sz[u]=1;
    for(auto [v,_]:adj[u]){
        if(p==v||r[v])continue;
        sz[u]+=dfs_sz(v,u);
    }
    return sz[u];
 
 
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• Subtask 1: 0 / 9
• Subtask 2: 0 / 12
• Subtask 3: 0 / 22
• Subtask 4: 0 / 57