Submission #466654

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
466654	2021-08-20 03:00:12	cgiosy	Palembang Bridges (APIO15_bridge)	C++17	22 / 100	2103 ms	126576 KiB

bridge

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#include <bits/stdc++.h>
#define clear(X) decltype(X)().swap(X);
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 s=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;
  }
  N=M;
  s+=N;
  if(K==1) {
    int *B=(int*)&A;
    nth_element(B, B+N, B+N*2);
 
 
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• Subtask 1: 8 / 8
• Subtask 2: 14 / 14
• Subtask 3: 0 / 9
• Subtask 4: 0 / 32
• Subtask 5: 0 / 37