Submission #532372

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
532372	2022-03-02 19:12:39	mmonteiro	Factories (JOI14_factories)	C++17	100 / 100	6382 ms	202064 KiB

factories

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#include <bits/stdc++.h>
using namespace std;
#include "factories.h"
const int MAX = 1e6 + 200;
const long long OO = 0x3f3f3f3f3f3f3f3f;
#define ii pair<int, int>
#define f first
#define s second
int n;
vector<ii> G[MAX];
vector<int> tl;
int SpT[22][MAX], pos[MAX], depth[MAX];
int CD[MAX], sz[MAX];
bool cut[MAX];
long long ans[MAX], weight[MAX];
void dfs(int v, int p, int d)
{
    depth[v] = d;
  pos[v] = tl.size();
  tl.push_back(v);
    for(auto [u, w] : G[v]) {
        if(u != p) {
      weight[u] = weight[v] + w;
            dfs(u, v, d + 1);
      tl.push_back(v);
    }
 
 
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Compilation message (stderr)

factories.cpp: In function 'int find_centroid(int, int, int)':
factories.cpp:69:9: warning: 'next_v' may be used uninitialized in this function [-Wmaybe-uninitialized]
   69 |     int next_v, cnt = 0;
      |         ^~~~~~
factories.cpp: In function 'void build_centroid_tree(int, int)':
factories.cpp:69:9: warning: 'next_v' may be used uninitialized in this function [-Wmaybe-uninitialized]

• Subtask 1: 15 / 15
• Subtask 2: 18 / 18
• Subtask 3: 67 / 67