#include<iostream>
#include<stack>
#include<map>
#include<vector>
#include<string>
#include<unordered_map>
#include <queue>
#include<cstring>
#include<limits.h>
#include<cmath>
#include<set>
#include<algorithm>
#include<bitset>
using namespace std;
#define ll long long
#define f first
#define endl "\n"
#define s second
#define pii pair<int,int>
#define ppii pair<pii,int>
#define pb push_back
#define fastio ios::sync_with_stdio(false);cin.tie(NULL);
#define int long long
#define mod 9871
const int mxn=1e6,inf=1e7;
vector<pii>x[mxn+10];
vector<pii>y[mxn+10];
pii cx[mxn+10];
int cy[mxn+10];
string ans="";
void update(int xx,int di){
bool yes=true;
if(x[xx].size()==1){
if(cy[x[xx][0].f]==-1){
ans[x[xx][cx[xx].f].s]='1';
cy[x[xx][cx[xx].f].f]=0;
}
else if(cy[x[xx][cx[xx].f].f]==0){
cy[x[xx][cx[xx].f].f]=xx;
ans[x[xx][cx[xx].f].s]='1';
}
else{
if(cy[x[xx][0].f]<xx){
int nx=cy[x[xx][0].f];
if(x[nx][cx[nx].f].f==x[xx][cx[xx].f].f){
cy[x[xx][cx[xx].f].f]=xx;
ans[x[nx][cx[nx].f].s]='0';
ans[x[xx][cx[xx].f].s]='1';
update(nx,1);
}
else if(x[nx][cx[nx].s].f==x[xx][cx[xx].f].f){
cy[x[xx][cx[xx].f].f]=xx;
ans[x[nx][cx[nx].s].s]='0';
ans[x[xx][cx[xx].f].s]='1';
update(nx,0);
}
}
}
return;
}
if(di){
while(cx[xx].f<cx[xx].s){
yes=true;
if(cy[x[xx][cx[xx].f].f]==-1){
ans[x[xx][cx[xx].f].s]='1';
cy[x[xx][cx[xx].f].f]=0;
}
else{
if(cy[x[xx][cx[xx].f].f]==0)cy[x[xx][cx[xx].f].f]=xx,ans[x[xx][cx[xx].f].s]='1';
else if(cy[x[xx][cx[xx].f].f]<xx){
int nx=cy[x[xx][cx[xx].f].f];
if(x[nx][cx[nx].f].f==x[xx][cx[xx].f].f){
cy[x[xx][cx[xx].f].f]=xx;
ans[x[nx][cx[nx].f].s]='0';
ans[x[xx][cx[xx].f].s]='1';
update(nx,1);
}
else if(x[nx][cx[nx].s].f==x[xx][cx[xx].f].f){
cy[x[xx][cx[xx].f].f]=xx;
ans[x[nx][cx[nx].s].s]='0';
ans[x[xx][cx[xx].f].s]='1';
update(nx,0);
}
}
else cx[xx].f++,yes=false;;
}
if(yes)break;
}
return;
}
while(cx[xx].f<cx[xx].s){
yes=true;
if(cy[x[xx][cx[xx].s].f]==-1){
ans[x[xx][cx[xx].s].s]='1';
cy[x[xx][cx[xx].s].f]=0;
}
else{
if(cy[x[xx][cx[xx].s].f]==0)cy[x[xx][cx[xx].s].f]=xx,ans[x[xx][cx[xx].s].s]='1';
else if(cy[x[xx][cx[xx].s].f]<xx){
int nx=cy[x[xx][cx[xx].s].f];
if(x[nx][cx[nx].f].f==x[xx][cx[xx].s].f){
cy[x[xx][cx[xx].s].f]=xx;
ans[x[nx][cx[nx].f].s]='0';
ans[x[xx][cx[xx].s].s]='1';
update(nx,1);
}
else if(x[nx][cx[nx].s].f==x[xx][cx[xx].s].f){
cy[x[xx][cx[xx].s].f]=xx;
ans[x[nx][cx[nx].s].s]='0';
ans[x[xx][cx[xx].s].s]='1';
update(nx,0);
}
}
else cx[xx].s--,yes=false;;
}
if(yes)break;
}
}
int32_t main(){
fastio
int n;cin>>n;
vector<ppii>v(n);
for(int i=0;i<n;i++)ans+='0';
for(int i=0;i<n;i++)cin>>v[i].f.f>>v[i].f.s,v[i].s=i;
sort(v.begin(),v.end());
for(auto i:v)x[i.f.f].pb({i.f.s,i.s});
for(int i=0;i<=mxn;i++)cx[i]={-1,-1},cy[i]=-1;
for(int i=1;i<=mxn;i++){
if(x[i].size()==0)continue;
cx[i].f=0;
cx[i].s=x[i].size()-1;
if(x[i].size()==1){
update(i,1);
continue;
}
update(i,1);
update(i,0);
}
cout<<ans;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
34 ms |
70716 KB |
Output is correct |
2 |
Correct |
33 ms |
70664 KB |
Output is correct |
3 |
Correct |
33 ms |
70636 KB |
Output is correct |
4 |
Correct |
34 ms |
70732 KB |
Output is correct |
5 |
Correct |
34 ms |
70700 KB |
Output is correct |
6 |
Correct |
33 ms |
70736 KB |
Output is correct |
7 |
Correct |
32 ms |
70768 KB |
Output is correct |
8 |
Correct |
32 ms |
70672 KB |
Output is correct |
9 |
Correct |
32 ms |
70648 KB |
Output is correct |
10 |
Correct |
33 ms |
70716 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
34 ms |
70716 KB |
Output is correct |
2 |
Correct |
33 ms |
70664 KB |
Output is correct |
3 |
Correct |
33 ms |
70636 KB |
Output is correct |
4 |
Correct |
34 ms |
70732 KB |
Output is correct |
5 |
Correct |
34 ms |
70700 KB |
Output is correct |
6 |
Correct |
33 ms |
70736 KB |
Output is correct |
7 |
Correct |
32 ms |
70768 KB |
Output is correct |
8 |
Correct |
32 ms |
70672 KB |
Output is correct |
9 |
Correct |
32 ms |
70648 KB |
Output is correct |
10 |
Correct |
33 ms |
70716 KB |
Output is correct |
11 |
Correct |
32 ms |
70732 KB |
Output is correct |
12 |
Correct |
32 ms |
70696 KB |
Output is correct |
13 |
Correct |
32 ms |
70700 KB |
Output is correct |
14 |
Correct |
33 ms |
70740 KB |
Output is correct |
15 |
Correct |
38 ms |
70700 KB |
Output is correct |
16 |
Correct |
35 ms |
70740 KB |
Output is correct |
17 |
Correct |
39 ms |
70720 KB |
Output is correct |
18 |
Correct |
33 ms |
70652 KB |
Output is correct |
19 |
Correct |
33 ms |
70648 KB |
Output is correct |
20 |
Correct |
33 ms |
70716 KB |
Output is correct |
21 |
Correct |
33 ms |
70684 KB |
Output is correct |
22 |
Correct |
33 ms |
70756 KB |
Output is correct |
23 |
Correct |
33 ms |
70720 KB |
Output is correct |
24 |
Correct |
33 ms |
70768 KB |
Output is correct |
25 |
Correct |
33 ms |
70760 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
45 ms |
75324 KB |
Output is correct |
2 |
Correct |
53 ms |
76084 KB |
Output is correct |
3 |
Correct |
90 ms |
85868 KB |
Output is correct |
4 |
Correct |
147 ms |
102280 KB |
Output is correct |
5 |
Correct |
54 ms |
77032 KB |
Output is correct |
6 |
Correct |
38 ms |
72128 KB |
Output is correct |
7 |
Correct |
130 ms |
98244 KB |
Output is correct |
8 |
Correct |
107 ms |
91196 KB |
Output is correct |
9 |
Correct |
182 ms |
110612 KB |
Output is correct |
10 |
Correct |
157 ms |
105096 KB |
Output is correct |
11 |
Correct |
198 ms |
112200 KB |
Output is correct |
12 |
Correct |
205 ms |
112164 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
419 ms |
123560 KB |
Output is correct |
2 |
Correct |
394 ms |
136008 KB |
Output is correct |
3 |
Correct |
407 ms |
136092 KB |
Output is correct |
4 |
Correct |
406 ms |
136020 KB |
Output is correct |
5 |
Correct |
389 ms |
136092 KB |
Output is correct |
6 |
Correct |
390 ms |
137028 KB |
Output is correct |
7 |
Correct |
415 ms |
137032 KB |
Output is correct |
8 |
Correct |
407 ms |
137032 KB |
Output is correct |
9 |
Correct |
404 ms |
137116 KB |
Output is correct |
10 |
Correct |
397 ms |
136992 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
34 ms |
70716 KB |
Output is correct |
2 |
Correct |
33 ms |
70664 KB |
Output is correct |
3 |
Correct |
33 ms |
70636 KB |
Output is correct |
4 |
Correct |
34 ms |
70732 KB |
Output is correct |
5 |
Correct |
34 ms |
70700 KB |
Output is correct |
6 |
Correct |
33 ms |
70736 KB |
Output is correct |
7 |
Correct |
32 ms |
70768 KB |
Output is correct |
8 |
Correct |
32 ms |
70672 KB |
Output is correct |
9 |
Correct |
32 ms |
70648 KB |
Output is correct |
10 |
Correct |
33 ms |
70716 KB |
Output is correct |
11 |
Correct |
32 ms |
70732 KB |
Output is correct |
12 |
Correct |
32 ms |
70696 KB |
Output is correct |
13 |
Correct |
32 ms |
70700 KB |
Output is correct |
14 |
Correct |
33 ms |
70740 KB |
Output is correct |
15 |
Correct |
38 ms |
70700 KB |
Output is correct |
16 |
Correct |
35 ms |
70740 KB |
Output is correct |
17 |
Correct |
39 ms |
70720 KB |
Output is correct |
18 |
Correct |
33 ms |
70652 KB |
Output is correct |
19 |
Correct |
33 ms |
70648 KB |
Output is correct |
20 |
Correct |
33 ms |
70716 KB |
Output is correct |
21 |
Correct |
33 ms |
70684 KB |
Output is correct |
22 |
Correct |
33 ms |
70756 KB |
Output is correct |
23 |
Correct |
33 ms |
70720 KB |
Output is correct |
24 |
Correct |
33 ms |
70768 KB |
Output is correct |
25 |
Correct |
33 ms |
70760 KB |
Output is correct |
26 |
Correct |
35 ms |
71032 KB |
Output is correct |
27 |
Correct |
34 ms |
71108 KB |
Output is correct |
28 |
Incorrect |
38 ms |
71012 KB |
Output isn't correct |
29 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
34 ms |
70716 KB |
Output is correct |
2 |
Correct |
33 ms |
70664 KB |
Output is correct |
3 |
Correct |
33 ms |
70636 KB |
Output is correct |
4 |
Correct |
34 ms |
70732 KB |
Output is correct |
5 |
Correct |
34 ms |
70700 KB |
Output is correct |
6 |
Correct |
33 ms |
70736 KB |
Output is correct |
7 |
Correct |
32 ms |
70768 KB |
Output is correct |
8 |
Correct |
32 ms |
70672 KB |
Output is correct |
9 |
Correct |
32 ms |
70648 KB |
Output is correct |
10 |
Correct |
33 ms |
70716 KB |
Output is correct |
11 |
Correct |
32 ms |
70732 KB |
Output is correct |
12 |
Correct |
32 ms |
70696 KB |
Output is correct |
13 |
Correct |
32 ms |
70700 KB |
Output is correct |
14 |
Correct |
33 ms |
70740 KB |
Output is correct |
15 |
Correct |
38 ms |
70700 KB |
Output is correct |
16 |
Correct |
35 ms |
70740 KB |
Output is correct |
17 |
Correct |
39 ms |
70720 KB |
Output is correct |
18 |
Correct |
33 ms |
70652 KB |
Output is correct |
19 |
Correct |
33 ms |
70648 KB |
Output is correct |
20 |
Correct |
33 ms |
70716 KB |
Output is correct |
21 |
Correct |
33 ms |
70684 KB |
Output is correct |
22 |
Correct |
33 ms |
70756 KB |
Output is correct |
23 |
Correct |
33 ms |
70720 KB |
Output is correct |
24 |
Correct |
33 ms |
70768 KB |
Output is correct |
25 |
Correct |
33 ms |
70760 KB |
Output is correct |
26 |
Correct |
35 ms |
71032 KB |
Output is correct |
27 |
Correct |
34 ms |
71108 KB |
Output is correct |
28 |
Incorrect |
38 ms |
71012 KB |
Output isn't correct |
29 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
34 ms |
70716 KB |
Output is correct |
2 |
Correct |
33 ms |
70664 KB |
Output is correct |
3 |
Correct |
33 ms |
70636 KB |
Output is correct |
4 |
Correct |
34 ms |
70732 KB |
Output is correct |
5 |
Correct |
34 ms |
70700 KB |
Output is correct |
6 |
Correct |
33 ms |
70736 KB |
Output is correct |
7 |
Correct |
32 ms |
70768 KB |
Output is correct |
8 |
Correct |
32 ms |
70672 KB |
Output is correct |
9 |
Correct |
32 ms |
70648 KB |
Output is correct |
10 |
Correct |
33 ms |
70716 KB |
Output is correct |
11 |
Correct |
32 ms |
70732 KB |
Output is correct |
12 |
Correct |
32 ms |
70696 KB |
Output is correct |
13 |
Correct |
32 ms |
70700 KB |
Output is correct |
14 |
Correct |
33 ms |
70740 KB |
Output is correct |
15 |
Correct |
38 ms |
70700 KB |
Output is correct |
16 |
Correct |
35 ms |
70740 KB |
Output is correct |
17 |
Correct |
39 ms |
70720 KB |
Output is correct |
18 |
Correct |
33 ms |
70652 KB |
Output is correct |
19 |
Correct |
33 ms |
70648 KB |
Output is correct |
20 |
Correct |
33 ms |
70716 KB |
Output is correct |
21 |
Correct |
33 ms |
70684 KB |
Output is correct |
22 |
Correct |
33 ms |
70756 KB |
Output is correct |
23 |
Correct |
33 ms |
70720 KB |
Output is correct |
24 |
Correct |
33 ms |
70768 KB |
Output is correct |
25 |
Correct |
33 ms |
70760 KB |
Output is correct |
26 |
Correct |
45 ms |
75324 KB |
Output is correct |
27 |
Correct |
53 ms |
76084 KB |
Output is correct |
28 |
Correct |
90 ms |
85868 KB |
Output is correct |
29 |
Correct |
147 ms |
102280 KB |
Output is correct |
30 |
Correct |
54 ms |
77032 KB |
Output is correct |
31 |
Correct |
38 ms |
72128 KB |
Output is correct |
32 |
Correct |
130 ms |
98244 KB |
Output is correct |
33 |
Correct |
107 ms |
91196 KB |
Output is correct |
34 |
Correct |
182 ms |
110612 KB |
Output is correct |
35 |
Correct |
157 ms |
105096 KB |
Output is correct |
36 |
Correct |
198 ms |
112200 KB |
Output is correct |
37 |
Correct |
205 ms |
112164 KB |
Output is correct |
38 |
Correct |
419 ms |
123560 KB |
Output is correct |
39 |
Correct |
394 ms |
136008 KB |
Output is correct |
40 |
Correct |
407 ms |
136092 KB |
Output is correct |
41 |
Correct |
406 ms |
136020 KB |
Output is correct |
42 |
Correct |
389 ms |
136092 KB |
Output is correct |
43 |
Correct |
390 ms |
137028 KB |
Output is correct |
44 |
Correct |
415 ms |
137032 KB |
Output is correct |
45 |
Correct |
407 ms |
137032 KB |
Output is correct |
46 |
Correct |
404 ms |
137116 KB |
Output is correct |
47 |
Correct |
397 ms |
136992 KB |
Output is correct |
48 |
Correct |
35 ms |
71032 KB |
Output is correct |
49 |
Correct |
34 ms |
71108 KB |
Output is correct |
50 |
Incorrect |
38 ms |
71012 KB |
Output isn't correct |
51 |
Halted |
0 ms |
0 KB |
- |