Submission #760088

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
760088	2023-06-17 07:23:51	jk410	Bulb Game (FXCUP4_bulb)	C++17	100 / 100	77 ms	34764 KiB

bulb

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#include <bits/stdc++.h>
#include "bulb.h"
using namespace std;
bool flag = false;
int n;
vector<int> l, r;
vector<int> ans;
void update(int lx, int rx, int v) {
  ans[lx] += v;
  ans[rx + 1] -= v;
}
int dfs(int cur, int f, int s, int cnt) {
  if (cur == -1)
    return 0;
  if (cur == -2) {
    if (f == -1) {
      flag = true;
      return 0;
    }
    else if (s == -1) {
      if (cnt == n)
        return 0;
      update(0, n - 1, 1);
      update(f, f, 1);
      return 1;
    }
    update(f, f, 1);
 
 
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• Subtask 1: 11 / 11
• Subtask 2: 25 / 25
• Subtask 3: 64 / 64