Submission #561981

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
561981	2022-05-14 02:54:11	maximath_1	Palembang Bridges (APIO15_bridge)	C++11	100 / 100	95 ms	6936 KiB

bridge

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#include <bits/stdc++.h>
using namespace std;
#define ll long long
int k, n;
vector<pair<int, int> > p;
ll ans = 0ll;
ll solvek1(){
  if(p.empty()) return 0ll;
  ll res = 0ll;
  vector<int> cr;
  for(int i = 0; i < p.size(); i ++){
    cr.push_back(p[i].first);
    cr.push_back(p[i].second);
    res -= (ll)(p[i].first + p[i].second);
  }
  sort(cr.begin(), cr.end());
  for(int i = 2 * (int)p.size() - 1; i >= (int)p.size(); i --)
    res += 2ll * cr[i];
  return res + (int)p.size();
}
bool cmp(pair<int, int> a, pair<int, int> b){
  return a.first + a.second < b.first + b.second;
}
 
 
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Compilation message (stderr)

bridge.cpp: In function 'long long int solvek1()':
bridge.cpp:14:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   14 |  for(int i = 0; i < p.size(); i ++){
      |                 ~~^~~~~~~~~~
bridge.cpp: In function 'std::vector<long long int> comp()':
bridge.cpp:39:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   39 |  for(int i = 1; i < p.size(); i ++){
      |                 ~~^~~~~~~~~~

• Subtask 1: 8 / 8
• Subtask 2: 14 / 14
• Subtask 3: 9 / 9
• Subtask 4: 32 / 32
• Subtask 5: 37 / 37