QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#205110 | #7560. Computer Network | ucup-team1134# | WA | 0ms | 3828kb | C++17 | 3.8kb | 2023-10-07 14:53:48 | 2023-10-07 14:53:48 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
template<class T>bool chmax(T &a, const T &b) { if (a<b) { a=b; return true; } return false; }
template<class T>bool chmin(T &a, const T &b) { if (b<a) { a=b; return true; } return false; }
#define all(x) (x).begin(),(x).end()
#define fi first
#define se second
#define mp make_pair
#define si(x) int(x.size())
const int mod=998244353,MAX=300005,INF=1<<30;
int solve(ll l,ll r){
r--;
if(l==r) return __builtin_popcountll(l);
int res=0;
for(int t=33;t>=0;t--){
if((l&(1LL<<t))==(r&(1LL<<t))){
if((l&(1LL<<t))) res++;
}else{
res++;
break;
}
}
return res;
}
int main(){
std::ifstream in("text.txt");
std::cin.rdbuf(in.rdbuf());
cin.tie(0);
ios::sync_with_stdio(false);
int N;cin>>N;
vector<pair<ll,ll>> S(N);
for(int i=0;i<N;i++) cin>>S[i].fi;
for(int i=0;i<N;i++) cin>>S[i].se;
sort(all(S));
for(int i=0;i+1<N;i++){
if(S[i].se>S[i+1].se){
cout<<-1<<endl;
return 0;
}
}
ll ans=1LL<<60;
for(int t=0;t<35;t++){
if(t){
vector<pair<ll,ll>> X,Y;
for(int i=0;i<N;i++){
if(S[i].fi&(1LL<<(t-1))) X.push_back(S[i]);
else Y.push_back(S[i]);
}
S.clear();
for(auto a:X) S.push_back(a);
for(auto a:Y) S.push_back(a);
}
vector<ll> A(N),B(N);
for(int i=0;i<N;i++){
A[i]=S[i].fi;
B[i]=S[i].se;
}
vector<pair<ll,ll>> kukan={mp(0,1LL<<t)};
for(int i=0;i+1<N;i++){
ll a=0,b=(1LL<<t)-A[i]%(1LL<<t),c=(1LL<<t)-A[i+1]%(1LL<<t),d=(1LL<<t);
vector<pair<ll,ll>> nex;
if(b==c){
if(((A[i]+a)>>t)-((A[i+1]+a)>>t)==B[i]-B[i+1]){
if(((A[i]+b)>>t)-((A[i+1]+b)>>t)==B[i]-B[i+1]){
nex=kukan;
}else{
for(auto [l,r]:kukan){
ll L=max(l,a),R=min(r,b);
if(L<R) nex.push_back(mp(L,R));
}
}
}else{
if(((A[i]+b)>>t)-((A[i+1]+b)>>t)==B[i]-B[i+1]){
for(auto [l,r]:kukan){
ll L=max(l,c),R=min(r,d);
if(L<R) nex.push_back(mp(L,R));
}
}else{
}
}
}else{
if(((A[i]+a)>>t)-((A[i+1]+a)>>t)==B[i]-B[i+1]){
for(auto [l,r]:kukan){
{
ll L=max(l,a),R=min(r,b);
if(L<R) nex.push_back(mp(L,R));
}
{
ll L=max(l,c),R=min(r,d);
if(L<R) nex.push_back(mp(L,R));
}
}
}else{
if(((A[i]+b)>>t)-((A[i+1]+b)>>t)==B[i]-B[i+1]){
for(auto [l,r]:kukan){
ll L=max(l,b),R=min(r,c);
if(L<R) nex.push_back(mp(L,R));
}
}
}
}
kukan=nex;
if(si(kukan)==0) break;
}
for(auto [l,r]:kukan){
if(((A[0]+l)>>t)<=B[0]){
chmin(ans,B[0]-((A[0]+l)>>t)+t+solve(l,r));
}
}
}
if(ans==(1LL<<60)) ans=-1;
cout<<ans<<endl;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 0ms
memory: 3600kb
input:
5 1 2 3 4 5 6 6 6 6 7
output:
9
result:
ok 1 number(s): "9"
Test #2:
score: 0
Accepted
time: 0ms
memory: 3596kb
input:
3 2 3 4 1 2 3
output:
-1
result:
ok 1 number(s): "-1"
Test #3:
score: 0
Accepted
time: 0ms
memory: 3660kb
input:
2 65536 65537 1 2
output:
32
result:
ok 1 number(s): "32"
Test #4:
score: 0
Accepted
time: 0ms
memory: 3524kb
input:
1 0 28
output:
28
result:
ok 1 number(s): "28"
Test #5:
score: -100
Wrong Answer
time: 0ms
memory: 3828kb
input:
1 249912 43
output:
27
result:
wrong answer 1st numbers differ - expected: '26', found: '27'