Submission #409131

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
409131	2021-05-20 08:50:54	victoriad	Fountain (eJOI20_fountain)	C++14	100 / 100	420 ms	31736 KiB

fountain

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#include <cmath>
#include <cstdio>
#include <vector>
#include <iostream>
#include <algorithm>
#include <utility>
#include <queue>
#include <map>
#include <iomanip>
#include <stack>
#include <fstream>
using namespace std;
 vector<int>v;
 vector<int>d;
vector<vector<int> >up;
int search(int l,vector<int>&ps,int r){
    int low=0,hi=18,mid,re=-1;
    while(low<=hi){
        mid=low+(hi-low)/2;
        if(ps[up[r][mid]]>l){
            low=mid+1;
            re=mid;
        }
        else{
            hi=mid-1;
        }
    }
    if(re==-1)return 0;
    if(ps[up[r][1]]<=l)return up[r][re]+1;
    return search(l,ps,up[r][re]);
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

fountain.cpp: In function 'int main()':
fountain.cpp:56:9: warning: unused variable 'an' [-Wunused-variable]
   56 |     int an=-1,u=0;
      |         ^~
fountain.cpp:56:15: warning: unused variable 'u' [-Wunused-variable]
   56 |     int an=-1,u=0;
      |               ^
fountain.cpp:58:9: warning: unused variable 'x' [-Wunused-variable]
   58 |     int x=d[n-1];
      |         ^

• Subtask 1: 30 / 30
• Subtask 2: 30 / 30
• Subtask 3: 40 / 40