Submission #479236

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
479236	2021-10-11 00:34:28	bonopo	Synchronization (JOI13_synchronization)	C++17	100 / 100	490 ms	24224 KiB

synchronization

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#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
using namespace std;
using namespace __gnu_pbds;
#define pb push_back
#define rc (i<<1)|1
#define lc (i<<1)
#define el "\n"
#define f first
#define s second
typedef long long ll;
const int MM=1e5+5, MOD=1e9+7, LOG=19;
int N, M, Q, pa[LOG][MM], bit[MM], st[MM], in[MM], ot[MM], c[MM], l[MM], dt;
pair<int,int> edg[MM];
vector<int> adj[MM];
void upd(int idx, int v) {
    for(; idx<MM; idx+=idx&-idx) bit[idx]+=v;
}
int qry(int idx) {
    int ret=0;
    for(; idx>=1; idx-=idx&-idx) ret+=bit[idx];
    return ret;
}
void dfs(int u, int fa) {
    pa[0][u]=fa; in[u]=++dt;
    for(int i=1; i<LOG; ++i) {
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 20 / 20
• Subtask 3: 10 / 10
• Subtask 4: 20 / 20
• Subtask 5: 40 / 40