Submission #281715

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
281715	2020-08-23 10:29:19	groeneprof	Bridges (APIO19_bridges)	C++14	0 / 100	686 ms	24072 KiB

bridges

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#include <bits/stdc++.h>
#define P(a) do{if(debug) cout<<a<<endl;} while(false)
#define H(a) P(#a<<": "<<a)
#define FR(i,a,b) for(int i = (a); i<(b); i++)
#define F(i,n) FR(i,0,n)
const bool debug = 0;
const int inf = 2e9;
using namespace std;
vector<vector<int> > ts, par, siz;
vector<pair<int,int> > edges;
vector<int> weights;
int n, m, q;
int root(int a,int t){
  if(par[a].back() == a){
    return a;
  }
  if(ts[a].back() > t){
    ts[a].push_back(t);
    par[a].push_back(par[a].back());
    siz[a].push_back(siz[a].back());
  }
  return par[a].back() = root(par[a].back(),t);
}
void merge(int a, int b, int t){
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

bridges.cpp: In function 'int root2(int, int)':
bridges.cpp:83:11: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   83 |   if(i+bit<ts[a].size() && ts[a][i+bit] >= t){
      |      ~~~~~^~~~~~~~~~~~~
bridges.cpp: In function 'int main()':
bridges.cpp:120:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  120 |     if(id+bit<ts[ra].size() && ts[ra][id+bit] >= t){
      |        ~~~~~~^~~~~~~~~~~~~~

• Subtask 1: 0 / 13
• Subtask 2: 0 / 16
• Subtask 3: 0 / 17
• Subtask 4: 0 / 14
• Subtask 5: 0 / 13
• Subtask 6: 0 / 27