Submission #224342

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
224342	2020-04-17 17:35:30	maximath_1	Solar Storm (NOI20_solarstorm)	C++14	100 / 100	398 ms	120516 KiB

SolarStorm

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#include<bits/stdc++.h>
using namespace std;
#define ll long long
const int MAX=1000005;
const int LOG=21;
int n, s, lf[MAX], rg[MAX], par[LOG][MAX];
ll k, d[MAX], v[MAX], ans;
vector<int>ansv;
int main(){
  ios_base::sync_with_stdio(0);
  cin.tie(0); cout.tie(0);
  cin>>n>>s>>k;
  for(int i=2; i<=n; i++){
    cin>>d[i];
    d[i]+=d[i-1];
  }
  for(int i=1; i<=n; i++){
    cin>>v[i];
    v[i]+=v[i-1];
  }
  rg[0]=1;
  for(int i=1, l=1, r=1, x=0; i<=n; i++){
    for(; r<=n && d[r]<=d[i]+k; r++);
    for(; l<=n && d[l]<d[i]-k; l++);
    for(; rg[x]<l; x++);
    lf[i]=l; rg[i]=r;
    par[0][i]=x;
  }
  for(int lg=1; lg<LOG; lg++)
    for(int i=1; i<=n; i++)
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 7 / 7
• Subtask 3: 11 / 11
• Subtask 4: 8 / 8
• Subtask 5: 18 / 18
• Subtask 6: 16 / 16
• Subtask 7: 30 / 30