Submission #544958

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
544958	2022-04-03 08:26:42	benson1029	Reconstruction Project (JOI22_reconstruction)	C++14	100 / 100	4103 ms	436708 KiB

reconstruction

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#include<bits/stdc++.h>
using namespace std;
int n, m, q;
pair< int, pair<int,int> > edg[100005];
vector<int> f[100005], b[100005], t[100005];
int x[100005], y[100005];
int dsu[100005];
vector< pair<int,int> > v;
multiset<int> sm, lg; long long sm_sum = 0, lg_sum = 0;
int find(int x) {
  if(dsu[x]==x) return x;
  return dsu[x] = find(dsu[x]);
}
void merge(int x) {
  dsu[find(edg[x].second.first)] = find(edg[x].second.second);
}
int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  cin >> n >> m;
  for(int i=1; i<=m; i++) {
    cin >> edg[i].second.first >> edg[i].second.second >> edg[i].first;
  }
  sort(edg+1, edg+m+1);
  for(int i=1; i<=m; i++) {
    b[i].push_back(i);
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

reconstruction.cpp: In function 'int main()':
reconstruction.cpp:80:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   80 |   while(ptr < v.size() && v[ptr].first <= w) {
      |         ~~~~^~~~~~~~~~
reconstruction.cpp:68:12: warning: unused variable 'ans' [-Wunused-variable]
   68 |  long long ans = 0;
      |            ^~~

• Subtask 1: 3 / 3
• Subtask 2: 4 / 4
• Subtask 3: 7 / 7
• Subtask 4: 28 / 28
• Subtask 5: 35 / 35
• Subtask 6: 23 / 23