Submission #24194

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
24194	2017-06-01 12:10:05	Nirjhor	Race (IOI11_race)	C++14	100 / 100	887 ms	76284 KiB

race

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#include <bits/stdc++.h>
#include "race.h"
using namespace std;
typedef long long ll;
typedef pair <int, ll> edge;
#define x first
#define y second
const int N = 200010;
const int INF = 1e9 + 10;
vector <edge> g[N];
int n, k, ans = INF;
void dfs (int u, int from, map <ll, int> &f, ll &key_f, int &val_f) {
  f[0] = 0;
  key_f = val_f = 0;
  for (edge e : g[u]) {
    int v = e.x; 
    ll w = e.y;
    if (v == from) continue;
    map <ll, int> t;
    ll key_t; 
    int val_t;
    dfs(v, u, t, key_t, val_t);
    key_t += w, ++val_t;
    if (t.size() > f.size()) {
 
 
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• Subtask 1: 9 / 9
• Subtask 2: 12 / 12
• Subtask 3: 22 / 22
• Subtask 4: 57 / 57