#include<bits/stdc++.h>
using namespace std;
const int N=1e5+5;
int tab[N][3], tab2[N];
int main(){
ios_base::sync_with_stdio(0);
cin.tie(0);
int n;
cin>>n;
long long ans=0;
for(int i=0; i<2*n; i++){
int x, y;
cin>>x>>y;
if(x>n){
ans+=x-n;
x=n;
}
if(x<1){
ans+=1-x;
x=1;
}
if(y<1){
ans+=1-y;
y=1;
}
if(y>2){
ans+=y-2;
y=2;
}
//cout<<ans<<" "<<x<<" "<<y<<"\n";
tab[x][y]++;
}
/*for(int i=1; i<=n; i++){
cin>>tab[i][1];
}
for(int i=1; i<=n; i++){
cin>>tab[i][2];
}*/
long long ile=0, wsk1=1, wsk2=1;
for(int i=1; i<=n; i++)tab2[i]=tab[i][1]+tab[i][2];
for(int i=1; i<=n; i++){
ile+=tab2[i];
ans+=abs(ile-2*i);
while(wsk1<i && tab[i][1]>1){
if(tab[wsk1][1]==0){
tab[i][1]--;
tab[wsk1][1]++;
}
wsk1++;
}
while(wsk2<i && tab[i][2]>1){
if(tab[wsk2][2]==0){
tab[i][2]--;
tab[wsk2][2]++;
}
wsk2++;
}
while(wsk1<=i && tab[i][2]>1){
if(tab[wsk1][1]==0){
tab[i][2]--;
ans++;
tab[wsk1][1]++;
}
wsk1++;
}
while(wsk2<=i && tab[i][1]>1){
if(tab[wsk2][2]==0){
tab[i][1]--;
ans++;
tab[wsk2][2]++;
}
wsk2++;
}
if(tab[i][1]!=0){
tab[i+1][1]+=tab[i][1]-1;
tab[i][1]=1;
}
if(tab[i][2]!=0){
tab[i+1][2]+=tab[i][2]-1;
tab[i][2]=1;
}
/*for(int j=1; j<=n; j++){
cout<<tab[j][1]<<" ";
}
cout<<"\n";
for(int j=1; j<=n; j++){
cout<<tab[j][2]<<" ";
}
cout<<"\n";
cout<<wsk1<<" "<<wsk2<<"\n";*/
}
cout<<ans;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
1 ms |
332 KB |
Output is correct |
3 |
Correct |
1 ms |
204 KB |
Output is correct |
4 |
Correct |
1 ms |
204 KB |
Output is correct |
5 |
Correct |
1 ms |
204 KB |
Output is correct |
6 |
Correct |
1 ms |
204 KB |
Output is correct |
7 |
Correct |
1 ms |
204 KB |
Output is correct |
8 |
Correct |
1 ms |
204 KB |
Output is correct |
9 |
Correct |
1 ms |
204 KB |
Output is correct |
10 |
Correct |
1 ms |
204 KB |
Output is correct |
11 |
Correct |
1 ms |
204 KB |
Output is correct |
12 |
Correct |
1 ms |
204 KB |
Output is correct |
13 |
Correct |
1 ms |
204 KB |
Output is correct |
14 |
Correct |
1 ms |
328 KB |
Output is correct |
15 |
Correct |
1 ms |
332 KB |
Output is correct |
16 |
Correct |
1 ms |
320 KB |
Output is correct |
17 |
Correct |
1 ms |
332 KB |
Output is correct |
18 |
Correct |
1 ms |
204 KB |
Output is correct |
19 |
Correct |
1 ms |
204 KB |
Output is correct |
20 |
Correct |
1 ms |
204 KB |
Output is correct |
21 |
Correct |
1 ms |
328 KB |
Output is correct |
22 |
Correct |
1 ms |
204 KB |
Output is correct |
23 |
Correct |
1 ms |
204 KB |
Output is correct |
24 |
Correct |
1 ms |
204 KB |
Output is correct |
25 |
Correct |
1 ms |
204 KB |
Output is correct |
26 |
Correct |
1 ms |
328 KB |
Output is correct |
27 |
Correct |
1 ms |
204 KB |
Output is correct |
28 |
Correct |
1 ms |
332 KB |
Output is correct |
29 |
Correct |
1 ms |
332 KB |
Output is correct |
30 |
Correct |
1 ms |
324 KB |
Output is correct |
31 |
Correct |
1 ms |
320 KB |
Output is correct |
32 |
Correct |
1 ms |
324 KB |
Output is correct |
33 |
Correct |
1 ms |
204 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
1 ms |
332 KB |
Output is correct |
3 |
Correct |
1 ms |
204 KB |
Output is correct |
4 |
Correct |
1 ms |
204 KB |
Output is correct |
5 |
Correct |
1 ms |
204 KB |
Output is correct |
6 |
Correct |
1 ms |
204 KB |
Output is correct |
7 |
Correct |
1 ms |
204 KB |
Output is correct |
8 |
Correct |
1 ms |
204 KB |
Output is correct |
9 |
Correct |
1 ms |
204 KB |
Output is correct |
10 |
Correct |
1 ms |
204 KB |
Output is correct |
11 |
Correct |
1 ms |
204 KB |
Output is correct |
12 |
Correct |
1 ms |
204 KB |
Output is correct |
13 |
Correct |
1 ms |
204 KB |
Output is correct |
14 |
Correct |
1 ms |
328 KB |
Output is correct |
15 |
Correct |
1 ms |
332 KB |
Output is correct |
16 |
Correct |
1 ms |
320 KB |
Output is correct |
17 |
Correct |
1 ms |
332 KB |
Output is correct |
18 |
Correct |
1 ms |
204 KB |
Output is correct |
19 |
Correct |
1 ms |
204 KB |
Output is correct |
20 |
Correct |
1 ms |
204 KB |
Output is correct |
21 |
Correct |
1 ms |
328 KB |
Output is correct |
22 |
Correct |
1 ms |
204 KB |
Output is correct |
23 |
Correct |
1 ms |
204 KB |
Output is correct |
24 |
Correct |
1 ms |
204 KB |
Output is correct |
25 |
Correct |
1 ms |
204 KB |
Output is correct |
26 |
Correct |
1 ms |
328 KB |
Output is correct |
27 |
Correct |
1 ms |
204 KB |
Output is correct |
28 |
Correct |
1 ms |
332 KB |
Output is correct |
29 |
Correct |
1 ms |
332 KB |
Output is correct |
30 |
Correct |
1 ms |
324 KB |
Output is correct |
31 |
Correct |
1 ms |
320 KB |
Output is correct |
32 |
Correct |
1 ms |
324 KB |
Output is correct |
33 |
Correct |
1 ms |
204 KB |
Output is correct |
34 |
Correct |
2 ms |
332 KB |
Output is correct |
35 |
Correct |
2 ms |
332 KB |
Output is correct |
36 |
Correct |
2 ms |
332 KB |
Output is correct |
37 |
Correct |
1 ms |
364 KB |
Output is correct |
38 |
Correct |
1 ms |
332 KB |
Output is correct |
39 |
Correct |
1 ms |
332 KB |
Output is correct |
40 |
Correct |
1 ms |
332 KB |
Output is correct |
41 |
Correct |
2 ms |
360 KB |
Output is correct |
42 |
Correct |
1 ms |
340 KB |
Output is correct |
43 |
Correct |
1 ms |
340 KB |
Output is correct |
44 |
Correct |
2 ms |
348 KB |
Output is correct |
45 |
Correct |
1 ms |
332 KB |
Output is correct |
46 |
Correct |
1 ms |
360 KB |
Output is correct |
47 |
Correct |
1 ms |
360 KB |
Output is correct |
48 |
Correct |
1 ms |
336 KB |
Output is correct |
49 |
Correct |
1 ms |
332 KB |
Output is correct |
50 |
Correct |
2 ms |
332 KB |
Output is correct |
51 |
Correct |
1 ms |
332 KB |
Output is correct |
52 |
Correct |
1 ms |
332 KB |
Output is correct |
53 |
Correct |
1 ms |
332 KB |
Output is correct |
54 |
Correct |
1 ms |
332 KB |
Output is correct |
55 |
Correct |
1 ms |
284 KB |
Output is correct |
56 |
Correct |
1 ms |
332 KB |
Output is correct |
57 |
Correct |
1 ms |
332 KB |
Output is correct |
58 |
Correct |
1 ms |
332 KB |
Output is correct |
59 |
Correct |
1 ms |
332 KB |
Output is correct |
60 |
Correct |
1 ms |
332 KB |
Output is correct |
61 |
Correct |
1 ms |
332 KB |
Output is correct |
62 |
Correct |
1 ms |
332 KB |
Output is correct |
63 |
Correct |
1 ms |
336 KB |
Output is correct |
64 |
Correct |
1 ms |
332 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
1 ms |
332 KB |
Output is correct |
3 |
Correct |
1 ms |
204 KB |
Output is correct |
4 |
Correct |
1 ms |
204 KB |
Output is correct |
5 |
Correct |
1 ms |
204 KB |
Output is correct |
6 |
Correct |
1 ms |
204 KB |
Output is correct |
7 |
Correct |
1 ms |
204 KB |
Output is correct |
8 |
Correct |
1 ms |
204 KB |
Output is correct |
9 |
Correct |
1 ms |
204 KB |
Output is correct |
10 |
Correct |
1 ms |
204 KB |
Output is correct |
11 |
Correct |
1 ms |
204 KB |
Output is correct |
12 |
Correct |
1 ms |
204 KB |
Output is correct |
13 |
Correct |
1 ms |
204 KB |
Output is correct |
14 |
Correct |
1 ms |
328 KB |
Output is correct |
15 |
Correct |
1 ms |
332 KB |
Output is correct |
16 |
Correct |
1 ms |
320 KB |
Output is correct |
17 |
Correct |
1 ms |
332 KB |
Output is correct |
18 |
Correct |
1 ms |
204 KB |
Output is correct |
19 |
Correct |
1 ms |
204 KB |
Output is correct |
20 |
Correct |
1 ms |
204 KB |
Output is correct |
21 |
Correct |
1 ms |
328 KB |
Output is correct |
22 |
Correct |
1 ms |
204 KB |
Output is correct |
23 |
Correct |
1 ms |
204 KB |
Output is correct |
24 |
Correct |
1 ms |
204 KB |
Output is correct |
25 |
Correct |
1 ms |
204 KB |
Output is correct |
26 |
Correct |
1 ms |
328 KB |
Output is correct |
27 |
Correct |
1 ms |
204 KB |
Output is correct |
28 |
Correct |
1 ms |
332 KB |
Output is correct |
29 |
Correct |
1 ms |
332 KB |
Output is correct |
30 |
Correct |
1 ms |
324 KB |
Output is correct |
31 |
Correct |
1 ms |
320 KB |
Output is correct |
32 |
Correct |
1 ms |
324 KB |
Output is correct |
33 |
Correct |
1 ms |
204 KB |
Output is correct |
34 |
Correct |
2 ms |
332 KB |
Output is correct |
35 |
Correct |
2 ms |
332 KB |
Output is correct |
36 |
Correct |
2 ms |
332 KB |
Output is correct |
37 |
Correct |
1 ms |
364 KB |
Output is correct |
38 |
Correct |
1 ms |
332 KB |
Output is correct |
39 |
Correct |
1 ms |
332 KB |
Output is correct |
40 |
Correct |
1 ms |
332 KB |
Output is correct |
41 |
Correct |
2 ms |
360 KB |
Output is correct |
42 |
Correct |
1 ms |
340 KB |
Output is correct |
43 |
Correct |
1 ms |
340 KB |
Output is correct |
44 |
Correct |
2 ms |
348 KB |
Output is correct |
45 |
Correct |
1 ms |
332 KB |
Output is correct |
46 |
Correct |
1 ms |
360 KB |
Output is correct |
47 |
Correct |
1 ms |
360 KB |
Output is correct |
48 |
Correct |
1 ms |
336 KB |
Output is correct |
49 |
Correct |
1 ms |
332 KB |
Output is correct |
50 |
Correct |
2 ms |
332 KB |
Output is correct |
51 |
Correct |
1 ms |
332 KB |
Output is correct |
52 |
Correct |
1 ms |
332 KB |
Output is correct |
53 |
Correct |
1 ms |
332 KB |
Output is correct |
54 |
Correct |
1 ms |
332 KB |
Output is correct |
55 |
Correct |
1 ms |
284 KB |
Output is correct |
56 |
Correct |
1 ms |
332 KB |
Output is correct |
57 |
Correct |
1 ms |
332 KB |
Output is correct |
58 |
Correct |
1 ms |
332 KB |
Output is correct |
59 |
Correct |
1 ms |
332 KB |
Output is correct |
60 |
Correct |
1 ms |
332 KB |
Output is correct |
61 |
Correct |
1 ms |
332 KB |
Output is correct |
62 |
Correct |
1 ms |
332 KB |
Output is correct |
63 |
Correct |
1 ms |
336 KB |
Output is correct |
64 |
Correct |
1 ms |
332 KB |
Output is correct |
65 |
Correct |
37 ms |
3396 KB |
Output is correct |
66 |
Correct |
69 ms |
6444 KB |
Output is correct |
67 |
Correct |
54 ms |
4936 KB |
Output is correct |
68 |
Correct |
54 ms |
4932 KB |
Output is correct |
69 |
Correct |
56 ms |
5048 KB |
Output is correct |
70 |
Correct |
57 ms |
5052 KB |
Output is correct |
71 |
Correct |
53 ms |
5044 KB |
Output is correct |
72 |
Correct |
56 ms |
5060 KB |
Output is correct |
73 |
Correct |
52 ms |
5036 KB |
Output is correct |
74 |
Correct |
51 ms |
5044 KB |
Output is correct |
75 |
Correct |
53 ms |
4920 KB |
Output is correct |
76 |
Correct |
52 ms |
5036 KB |
Output is correct |
77 |
Correct |
52 ms |
4912 KB |
Output is correct |
78 |
Correct |
54 ms |
5060 KB |
Output is correct |
79 |
Correct |
52 ms |
5044 KB |
Output is correct |
80 |
Correct |
52 ms |
5048 KB |
Output is correct |
81 |
Correct |
52 ms |
5060 KB |
Output is correct |
82 |
Correct |
52 ms |
4948 KB |
Output is correct |
83 |
Correct |
52 ms |
5068 KB |
Output is correct |
84 |
Correct |
52 ms |
5004 KB |
Output is correct |
85 |
Correct |
52 ms |
4932 KB |
Output is correct |
86 |
Correct |
52 ms |
5020 KB |
Output is correct |
87 |
Correct |
52 ms |
5008 KB |
Output is correct |
88 |
Correct |
54 ms |
4932 KB |
Output is correct |
89 |
Correct |
60 ms |
5032 KB |
Output is correct |
90 |
Correct |
54 ms |
5044 KB |
Output is correct |
91 |
Correct |
56 ms |
5060 KB |
Output is correct |
92 |
Correct |
54 ms |
5044 KB |
Output is correct |
93 |
Correct |
52 ms |
5052 KB |
Output is correct |
94 |
Correct |
55 ms |
4928 KB |
Output is correct |
95 |
Correct |
52 ms |
4936 KB |
Output is correct |
96 |
Correct |
53 ms |
5072 KB |
Output is correct |
97 |
Correct |
52 ms |
5032 KB |
Output is correct |
98 |
Correct |
52 ms |
5084 KB |
Output is correct |
99 |
Correct |
53 ms |
5068 KB |
Output is correct |
100 |
Correct |
53 ms |
5076 KB |
Output is correct |
101 |
Correct |
60 ms |
4992 KB |
Output is correct |
102 |
Correct |
53 ms |
5060 KB |
Output is correct |
103 |
Correct |
65 ms |
5048 KB |
Output is correct |