Submission #951818

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
951818	2024-03-22 17:26:58	codefox	Race (IOI11_race)	C++14	100 / 100	1235 ms	96444 KiB

race

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#include<bits/stdc++.h>
#include<race.h>
using namespace std;
#define ll long long
#define pii pair<int, int>
#define pli pair<ll, int>
#define f first
#define s second
int sol = 1e9;
void dfs(vector<vector<pii>> &graph, vector<int> &sub, int i, int p)
{
    sub[i]=1;
    for (pii ele:graph[i]) 
    {
        if (ele.f == p) continue;
        dfs(graph, sub, ele.f, i);
        sub[i] += sub[ele.f];
    }
}
int centroid(vector<vector<pii>> &graph, vector<int> &sub, int i, int p, int n)
{
    for (pii ele:graph[i])
    {
        if (ele.f == p) continue;
        if (sub[ele.f]*2 > n) return centroid (graph, sub, ele.f, i, n);
 
 
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Compilation message (stderr)

race.cpp: In function 'void cd(std::vector<std::vector<std::pair<int, int> > >&, int)':
race.cpp:76:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   76 |         for (int i = 0; i < nodes.size(); i++) nind[nodes[i]] = i;
      |                         ~~^~~~~~~~~~~~~~

• Subtask 1: 9 / 9
• Subtask 2: 12 / 12
• Subtask 3: 22 / 22
• Subtask 4: 57 / 57