#include<bits/stdc++.h>
#include "floppy.h"
using namespace std;
string s;
vector<int> vv;
int num;
struct node{
int num;
int pos;
int sz;
int l;
int r;
};
node tree[80007];
bool li[80007][20];
int dp[80007][20];
int power[20],lg[80007];
void calc(){
power[0]=1;
for(int i=1;i<20;i++)power[i]=power[i-1]*2;
lg[1]=0;
for(int i=2;i<=80000;i++)lg[i]=lg[i/2]+1;
}
int best(int x,int y){
if(vv[x]>vv[y])return x;
else return y;
}
int rmq(int i,int j){
if(j==0)return i;
if(li[i][j])return dp[i][j];
li[i][j]=true;
dp[i][j]=best(rmq(i,j-1),rmq(i+power[j-1],j-1));
return dp[i][j];
}
int mins(int l,int r){
return best( rmq(l,lg[r-l+1]) , rmq(r-power[lg[r-l+1]]+1,lg[r-l+1]) );
}
void build(int p,int l,int r){
if(l>r)return;
if(l==r){
num++;
tree[num].pos=l;
if(l<tree[p].pos)tree[p].l=num;
else tree[p].r=num;
}else{
int id=mins(l,r);
num++;
tree[num].pos=id;
if(p!=-1){
if(id<tree[p].pos)tree[p].l=num;
else tree[p].r=num;
}
int pum=num;
build(pum,l,id-1);
build(pum,id+1,r);
}
}
void dfs(int x){
if(tree[x].l!=0)s.push_back('1');
else s.push_back('0');
if(tree[x].r!=0)s.push_back('1');
else s.push_back('0');
if(tree[x].l!=0)dfs(tree[x].l);
if(tree[x].r!=0)dfs(tree[x].r);
}
void read_array(int subtask_id,const vector<int> &v){
for(int i=0;i<v.size();i++)vv.push_back(v[i]);
calc();
build(-1,0,int(v.size())-1);
dfs(1);
save_to_floppy(s);
}
int c[80007];
int restore(int pos,int dep,int toadd){
int sz=1;
if(s[pos]=='1'){
sz+=restore(pos+2,dep-1,toadd);
}
c[sz-1+toadd]=dep;
if(s[pos+1]=='1'){
sz+=restore(2*sz+pos,dep-1,toadd+sz);
}
return sz;
}
vector<int> ans;
vector<int> solve_queries(int subtask_id,int N,const string &bits,const vector<int> &a,const vector<int> &b){
s=bits;
restore(0,N,0);
//for(int i=0;i<N;i++)cout<<c[i]<<" ";
calc();
for(int i=0;i<N;i++)vv.push_back(c[i]);
for(int i=0;i<a.size();i++){
ans.push_back(mins(a[i],b[i]));
}
return ans;
}
/*
int main(){
vector<int> w;
read_array(0,{5,6,1,8,7,4,10,3,2,9} );
solve_queries(0,10,s,{0, 0, 0, 0, 1, 1, 1, 2, 2, 3} , {0, 1, 2, 3, 1, 2, 3, 2, 3, 3 });
//for(int i=0;i<w.size();i++)cout<<w[i]<<" ";
}
*/
Compilation message
floppy.cpp: In function 'void read_array(int, const std::vector<int>&)':
floppy.cpp:80:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
80 | for(int i=0;i<v.size();i++)vv.push_back(v[i]);
| ~^~~~~~~~~
floppy.cpp: In function 'std::vector<int> solve_queries(int, int, const string&, const std::vector<int>&, const std::vector<int>&)':
floppy.cpp:109:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
109 | for(int i=0;i<a.size();i++){
| ~^~~~~~~~~
stub.cpp: In function 'void run2()':
stub.cpp:101:30: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
101 | if (query_answers.size() != M) {
| ~~~~~~~~~~~~~~~~~~~~~^~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
1612 KB |
Output is correct |
| 2 |
Correct |
4 ms |
1400 KB |
Output is correct |
| 3 |
Correct |
3 ms |
1416 KB |
Output is correct |
| 4 |
Correct |
2 ms |
1428 KB |
Output is correct |
| 5 |
Correct |
2 ms |
1448 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
34 ms |
6344 KB |
Output is correct |
| 2 |
Correct |
32 ms |
6108 KB |
Output is correct |
| 3 |
Correct |
27 ms |
6152 KB |
Output is correct |
| 4 |
Correct |
26 ms |
6448 KB |
Output is correct |
| 5 |
Correct |
26 ms |
6136 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
103 ms |
21512 KB |
Output is correct |
| 2 |
Correct |
129 ms |
21504 KB |
Output is correct |
| 3 |
Correct |
115 ms |
21600 KB |
Output is correct |
| 4 |
Correct |
127 ms |
22244 KB |
Output is correct |
| 5 |
Correct |
119 ms |
21488 KB |
Output is correct |
