Submission #466664

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
466664	2021-08-20 03:31:09	cgiosy	Palembang Bridges (APIO15_bridge)	C++17	100 / 100	84 ms	3128 KiB

bridge

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#include <bits/stdc++.h>
using namespace std;
using ll=long long;
struct pii {
  int l, r;
  bool operator<(pii b) const { return l+r<b.l+b.r; }
};
int main() {
  ios::sync_with_stdio(0);cin.tie(0);
  int K, N, M=0;
  cin>>K>>N;
  pii A[N];
  ll B[N], s=0, w=0;
  for(int i=0; i<N; i++) {
    char a, b;
    int l, r;
    cin>>a>>l>>b>>r;
    if(l>r) swap(l, r);
    if(a!=b) A[M++]={l, r};
    else s+=r-l;
  }
  s+=N=M;
  sort(A, A+N);
  priority_queue<int> L;
  priority_queue<int, vector<int>, greater<int>> R;
  auto add=[&](pii v) {
    L.push(v.l), R.push(v.r);
 
 
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• Subtask 1: 8 / 8
• Subtask 2: 14 / 14
• Subtask 3: 9 / 9
• Subtask 4: 32 / 32
• Subtask 5: 37 / 37