Submission #425402

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
425402	2021-06-13 01:54:29	penguinhacker	Palembang Bridges (APIO15_bridge)	C++14	100 / 100	79 ms	5828 KiB

bridge

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#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define ar array
const int mxN=1e5;
int n, k;
ll add, ans, tot, p[mxN];
vector<ar<int, 2>> v;
priority_queue<int> lo;
priority_queue<int, vector<int>, greater<int>> hi;
void ins(int x) {
  if (lo.empty()||x<=lo.top())
    lo.push(x), tot-=x;
  else
    hi.push(x), tot+=x;
  if (lo.size()>hi.size()+1) {
    int x=lo.top(); lo.pop();
    tot+=2*x, hi.push(x);
  }
  if (hi.size()>lo.size()) {
    int x=hi.top(); hi.pop();
    tot-=2*x, lo.push(x);
  }
}
ll get() {
  return tot+(lo.size()-hi.size())*lo.top();
 
 
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Compilation message (stderr)

bridge.cpp: In function 'int main()':
bridge.cpp:53:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::array<int, 2> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   53 |  for (int i=0; i<v.size(); ++i) {
      |                ~^~~~~~~~~

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