Submission #765325

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
765325	2023-06-24 10:48:49	vjudge1	Roadside Advertisements (NOI17_roadsideadverts)	C++17	100 / 100	46 ms	15508 KiB

roadsideadverts

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#include <bits/stdc++.h>
// #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
// #pragma GCC optimize("Ofast,unroll-loops,fast-math,O3")
#define ent '\n'
#define f first
#define s second
using namespace std;
typedef long long ll;
typedef pair < int, int> pii;
typedef pair < ll, ll > pll;
const int maxn = 2e5 + 100;
const int mod = 1e9 + 7;
const int INF = 1e9;
const int LOG = 20;
const int K = 400;
const int P = 31;
int n, m;
vector < pii > g[maxn];
int pref[maxn], p[LOG][maxn], tin[maxn], tout[maxn], timer, depth[maxn], a[6];
ll ans = 0;
void dfs(int v){
    for(int i = 1;i < LOG;i++){
        p[i][v] = p[i - 1][p[i - 1][v]];
    }
    tin[v] = ++timer;
    for(auto to: g[v]){
        if(to.f == p[0][v])continue;
 
 
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• Subtask 1: 7 / 7
• Subtask 2: 23 / 23
• Subtask 3: 40 / 40
• Subtask 4: 30 / 30