Submission #98997

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
98997	2019-02-28 03:24:11	Hideo	Race (IOI11_race)	C++14	100 / 100	890 ms	33400 KiB

race

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#include "race.h"
#include <bits/stdc++.h>
//#include "grader.cpp"
 
using namespace std;
 
#define mk make_pair
#define pb push_back
#define sc second
#define fr first
#define pii pair < int, int >
#define vii vector < pii >
 
const int MAXN = 2e5 + 7;
const int MAXK = 1e6 + 7;
const int INF = 1e9 + 7;
 
int ans = INF, k, t;
int st[MAXK], mt[MAXK], h[MAXN], del[MAXN];
 
vii g[MAXN];
 
void dfs (int v, int p = -1){
    h[v] = 1;
    for (pii to : g[v])
        if (to.fr != p && !del[to.fr])
            dfs(to.fr, v);
    if (p != -1)
        h[p] += h[v];
}
 
 
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• Subtask 1: 9 / 9
• Subtask 2: 12 / 12
• Subtask 3: 22 / 22
• Subtask 4: 57 / 57