# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
70167 |
2018-08-22T12:14:56 Z |
khohko |
popa (BOI18_popa) |
C++17 |
|
31 ms |
428 KB |
#include <bits/stdc++.h>
#ifndef KHOKHO
#include "popa.h"
#endif // KHOKHO
#pragma GCC optimize("O3")
using namespace std;
#define ll int
#define pb push_back
#define fr first
#define sc second
#define MAX ((ll)(1e12+100))
#define MX ((ll)(1e6+100))
#define ARRS ((ll)(2e6+100))
#define HS ((ll)(233))
#define MOD ((ll)(1e9+7))
#define EP ((double)(1e-9))
#define LG 21
#define mul(a,b) a=((a)*(b))%MOD
using namespace std;
#ifdef KHOKHO
ll aa[ARRS];
ll qr=0;
int query(int a, int b, int c, int d){
ll x=0,y=0;
qr++;
for(int i=a; i<=b; i++)x=__gcd(x,aa[i]);
for(int i=c; i<=d; i++)y=__gcd(y,aa[i]);
return x==y;
}
#endif
ll l[ARRS];
ll r[ARRS];
ll f[ARRS];
ll pr[ARRS];
ll dp[1100][1100];
bitset<1100> ps[1100];
bitset<1100> psl[1100];
bitset<1100> tb;
ll bld(ll l,ll r,int *lt,int *rt){
//slv(l,r);
ll x=dp[l][r]-1;
if(x==-2)return -1;
if(x==-1)return -1;
//cout<<l<<" "<<r<<" "<<x<<endl;
lt[x]=bld(l,x,lt,rt);
rt[x]=bld(x+1,r,lt,rt);
return x;
}
int solve(int n, int* lt, int* rt){
stack<ll> sk;
for(int i=0; i<n; i++)lt[i]=rt[i]=-1;
ll rut=-1;
for(int i=0; i<n; i++){
l[i]=i;
while(l[i]&&query(l[l[i]-1],i,i,i))
l[i]=l[l[i]-1];
//cout<<qr<<endl;
if(rut==-1||l[i]<=rut){
lt[i]=rut;
//pr[rut]=i;
rut=i;
}
else if(l[i]==i){
rt[i-1]=i;
pr[i]=i-1;
}
else {
ll x=l[i];
while(f[x])x++;
ll p=pr[x];
rt[p]=i;
lt[i]=x;
f[x]=1;
}
}
return rut;
}
#ifdef KHOKHO
int pa[ARRS];
int pb[ARRS];
int main(){
#ifdef KHOKHO
freopen("in.in","r",stdin);
freopen("out.out","w",stdout);
#endif // KHOKHO
//ios::sync_with_stdio(0);
ll n;
cin>>n;
for(int i=0; i<n; i++){
cin>>aa[i];
}
ll rt=solve(n,pa,pb);
cout<<rt<<endl;
for(int i=0; i<n; i++){
cout<<pa[i]<<" ";
}
cout<<endl;
for(int i=0; i<n; i++){
cout<<pb[i]<<" ";
}
cout<<endl;
cout<<endl;
cout<<"asked:"<<qr<<endl;
}
#endif
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
4 ms |
420 KB |
not a valid binary tree |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
23 ms |
428 KB |
not a valid binary tree |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
31 ms |
428 KB |
not a valid binary tree |
2 |
Halted |
0 ms |
0 KB |
- |