제출 #813430

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
813430	2023-08-07 17:52:32	kostka	Fountain (eJOI20_fountain)	C++14	100 / 100	173 ms	20072 KiB

fountain

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#include "bits/stdc++.h"
using namespace std;
struct reservoir
{
  int D, C;
  int next_larger_reservoir = -1;
};
const int LOG = 17;
int N, Q;
vector<reservoir> reservoirs;
// This function generate edges from each reservoir to the
// next reservoir that is strictly larger in diamater
// below us.
void CalculateEdges()
{
  stack<int> S;
  for (int i = 0; i < N; i++)
  {
    // If there is an reservoir on the stack that is smaller than us
    // then pop it from the stack and set it edge to the reservoir
    // that we are currently considering.
    while (!S.empty() and reservoirs[S.top()].D < reservoirs[i].D)
    {
      int s = S.top();
      S.pop();
      reservoirs[s].next_larger_reservoir = i;
 
 
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• Subtask 1: 30 / 30
• Subtask 2: 30 / 30
• Subtask 3: 40 / 40