# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
68752 |
2018-08-18T10:26:36 Z |
istlemin |
popa (BOI18_popa) |
C++14 |
|
617 ms |
640 KB |
#include<bits/stdc++.h>
#include "popa.h"
using namespace std;
#define rep(i,a,b) for(int i = a; i<int(b);++i)
#define all(v) v.begin(),v.end()
#define sz(v) v.size()
#define trav(a,c) for(auto a: c)
typedef long long ll;
typedef vector<ll> vi;
typedef pair<ll,ll> pii;
/*
ll Q = 0;
vi seq;
ll gcd(ll a,ll b){
return b==0?a:gcd(b,a%b);
}
int query(int a,int b,int c,int d){
ll gcd1 = seq[a];
ll gcd2 = seq[c];
rep(i,a,b+1) gcd1 = gcd(gcd1,seq[i]);
rep(i,c,d+1) gcd2 = gcd(gcd2,seq[i]);
++Q;
return gcd1==gcd2;
}
*/
vector<vector<bool> > same;
vi l;
vi r;
ll root;
ll findRoot(ll dn,ll up){
rep(i,dn,up){
bool allSame = true;
rep(j,dn,up)
if(!same[i][j]) allSame = false;
if(allSame) return i;
}
return -1;
}
ll makeTree(ll dn,ll up){
if(dn==up) return -1;
ll ro = findRoot(dn,up);
l[ro] = makeTree(dn,ro);
r[ro] = makeTree(ro+1,up);
return ro;
}
int solve(int n, int* Left, int* Right){
l.assign(n,-1);
r.assign(n,-1);
same.assign(n,vector<bool>(n,true));
rep(i,0,n)
rep(j,0,n){
if(i==j) continue;
same[i][j] = query(i,i,min(i,j),max(i,j));
}
root = makeTree(0,n);
rep(i,0,n){
Left[i] = l[i];
Right[i] = r[i];
}
return root;
}
/*
int main(){
cin.sync_with_stdio(false);
ll n; cin>>n;
seq.resize(n);
rep(i,0,n) cin>>seq[i];
int left[n];
int right[n];
int root = solve(n,left,right);
cout<<root<<endl;
rep(i,0,n) cout<<left[i]<<" ";
cout<<endl;
rep(i,0,n) cout<<right[i]<<" ";
cout<<endl;
cout<<Q<<endl;
}*/
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
498 ms |
248 KB |
Output is correct |
2 |
Correct |
617 ms |
436 KB |
Output is correct |
3 |
Correct |
532 ms |
436 KB |
Output is correct |
4 |
Correct |
603 ms |
436 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
341 ms |
588 KB |
too many queries |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
34 ms |
640 KB |
too many queries |
2 |
Halted |
0 ms |
0 KB |
- |