#include "icc.h"
#include <bits/stdc++.h>
#define pii pair<int,int>
#define F first
#define S second
#define mp make_pair
using namespace std;
/*int query(int size_a, int size_b, int a[], int b[]){
cout << "first is : " ;
for(int i=0;i<size_a;i++) cout << a[i] << " ";
cout << endl;
cout << "second is : " ;
for(int i=0;i<size_b;i++) cout<<b[i]<< " ";
cout<<endl;
int x ;
cin>>x;
return x ;
}
void setRoad(int a,int b){
cout <<"! " << a << " " << b << endl ;
return ;
}*/
int query(vector<int> a , vector<int> b){
int na=a.size(),nb=b.size();
int* arr1 = new int[na];
for(int i=0;i<na;i++) arr1[i]=a[i];
int* arr2 = new int[1];
for(int i=0;i<nb;i++) arr2[i]=b[i];
return query(na,nb,arr1,arr2);
}
void run(int n) {
vector<int> id,gr[n+1],rid(n+1);
for(int i=1;i<=n;i++) {id.push_back(i); gr[i].push_back(i);rid[i]=i;}
function<void(vector<int>&,vector<int>)> compose=[&](vector<int>& a,vector<int> b){
for(int&x:b) for(int&node:gr[x]) a.push_back(node);
return ;
};
for(int i=1;i<n;i++){
vector<pii> in;
in.push_back(mp(0,id.size()-1));
int zez=0;
while(1){
vector<pii> inF,inS;
for(pii&x:in){
inF.push_back(mp(x.F,(x.F+x.S)/2));
inS.push_back(mp((x.F+x.S)/2+1,x.S));
}
vector<int> a,b;
for(int j=0;j<inF.size();j++){
for(int k=inF[j].F;k<=inF[j].S;k++) compose(a,gr[id[k]]);
for(int k=inS[j].F;k<=inS[j].S;k++) compose(b,gr[id[k]]);
}
++zez;
if(zez==20000){
setRoad(-1,-1);
return ;
}
if(query(a,b)){
int l=-1,r=a.size();
while(r-l!=1){
int md=(r+l)/2;
vector<int> tmp;
for(int j=0;j<=md;j++)
tmp.push_back(a[j]);
if(query(tmp,b)) r=md;
else l=md;
}
int founda=a[r];
l=-1,r=b.size();
while(r-l!=1){
int md=(r+l)/2;
vector<int> tmp;
for(int j=0;j<=md;j++)
tmp.push_back(b[j]);
if(query(a,tmp)) r=md;
else l=md;
}
int foundb=b[r];
setRoad(founda,foundb);
int kek=-1,lol=-1;
for(int j=0;j<id.size();j++)
if(id[j]==rid[founda])
kek=j;
for(int j=0;j<id.size();j++)
if(id[j]==rid[foundb])
lol=j;
id.erase(id.begin()+kek);
founda=rid[founda];
foundb=rid[foundb];
for(int&x:gr[founda]){
gr[foundb].push_back(x);
rid[x]=foundb;
}
gr[founda].clear();
break;
}
in.clear();
for(pii&x:inF) if(x.F!=x.S) in.push_back(x);
for(pii&x:inS) if(x.F!=x.S) in.push_back(x);
}
}
return ;
}
/*int main(){
run(7);
return 0;
}*/
Compilation message
icc.cpp: In function 'void run(int)':
icc.cpp:53:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
53 | for(int j=0;j<inF.size();j++){
| ~^~~~~~~~~~~
icc.cpp:85:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
85 | for(int j=0;j<id.size();j++)
| ~^~~~~~~~~~
icc.cpp:89:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
89 | for(int j=0;j<id.size();j++)
| ~^~~~~~~~~~
icc.cpp:84:16: warning: variable 'lol' set but not used [-Wunused-but-set-variable]
84 | int kek=-1,lol=-1;
| ^~~
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Runtime error |
1 ms |
724 KB |
Execution killed with signal 6 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Runtime error |
2 ms |
724 KB |
Execution killed with signal 11 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Runtime error |
1 ms |
852 KB |
Execution killed with signal 6 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Runtime error |
1 ms |
852 KB |
Execution killed with signal 6 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Runtime error |
2 ms |
852 KB |
Execution killed with signal 6 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Runtime error |
1 ms |
852 KB |
Execution killed with signal 6 |
| 2 |
Halted |
0 ms |
0 KB |
- |
