Submission #1001816

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1001816	2024-06-19 07:53:22	vjudge1	Liteh and Newfiteh (INOI20_litehfiteh)	C++17	30 / 100	2059 ms	1604 KiB

Main

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
#include <bits/stdc++.h>
using namespace std;
const int N = 1e5+10;
map<pair<pair<int,int>,int>,int> mp;
int lg[N], n, a[N];
long long cnt=0;
int calc(int l, int r, int dec=0) {
  cnt++;
  if(mp.find({{l, r}, dec}) != mp.end()) {
    return mp[{{l,r},dec}];
  }
  if(lg[r-l+1] == 0)return -1;
  if(l == r) {
    if(a[l]-dec > 1)return -1;
    return a[l]-dec;
  }
  int mn = 1e9;
  for(int i = l;i<=r;i++) {
    mn=min(mn, a[i]-dec);
  }
  mn = (mn>0);
  int mid = (l+r)/2;
  long long L = calc(l, mid, dec+mn);
  long long R = calc(mid+1, r, dec+mn);
  if(L == -1 or R==-1)return -1;
  return mp[{{l,r},dec}]=L+R+mn;
}
int main () {
  {
    int cntlg=1;
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

• Subtask 1: 30 / 30
• Subtask 2: 0 / 70