Submission #961104

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
961104	2024-04-11 13:53:43	okkoo	Race (IOI11_race)	C++17	100 / 100	291 ms	35652 KiB

race

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#include <iostream>
#include <vector>
#include <queue>
#include <string.h>
using namespace std;
#define fastIO ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
const int mxn = 2e5;
vector<vector<pair<int, int> > > adj(mxn+1, vector<pair<int, int> >());
int K;
int ans = 1e9;
bool processed[mxn+1];
int sz[mxn+1];
vector<int> lengths(mxn*5+1, 1e9);
int getSize(int node, int p){
    sz[node] = 1;
    for(pair<int, int> tmp: adj[node]){
        int to = tmp.first;
        if(!processed[to] && to!=p) sz[node] += getSize(to, node);
    }
    return sz[node];
}
int getCentroid(int node, int p, int mxSize){
    for(pair<int, int> tmp: adj[node]){
        int to = tmp.first; 
        if(!processed[to] && to!=p && sz[to] > mxSize) return getCentroid(to, node, mxSize);
    }
    return node;
 
 
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• Subtask 1: 9 / 9
• Subtask 2: 12 / 12
• Subtask 3: 22 / 22
• Subtask 4: 57 / 57