#include <bits/stdc++.h>
using namespace std;
#define ll long long
const int mxN=1e5;
int n, c[mxN][2];
ll a1;
int main() {
ios::sync_with_stdio(0);
cin.tie(0);
cin >> n;
for(int i=0, x, y; i<2*n; ++i) {
cin >> x >> y;
if(x<1) {
a1+=1-x;
x=1;
}
if(x>n) {
a1+=x-n;
x=n;
}
if(y<1) {
a1+=1-y;
y=1;
}
if(y>2) {
a1+=y-2;
y=2;
}
++c[x-1][y-1];
}
for(int i1=0, i2=0, j=0; i1<n||i2<n; ) {
while(!c[j][0]&&!c[j][1])
++j;
if(c[j][0]&&c[j][1]) {
a1+=abs(i1-j)+abs(i2-j);
--c[j][0], --c[j][1];
++i1, ++i2;
} else if(c[j][0]) {
if(i1<=i2) {
a1+=abs(i1-j);
++i1;
} else {
a1+=abs(i2-j)+1;
++i2;
}
--c[j][0];
} else {
if(i2<=i1) {
a1+=abs(i2-j);
++i2;
} else {
a1+=abs(i1-j)+1;
++i1;
}
--c[j][1];
}
}
cout << a1;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
384 KB |
Output is correct |
2 |
Correct |
3 ms |
384 KB |
Output is correct |
3 |
Correct |
3 ms |
384 KB |
Output is correct |
4 |
Correct |
3 ms |
384 KB |
Output is correct |
5 |
Correct |
3 ms |
384 KB |
Output is correct |
6 |
Incorrect |
2 ms |
384 KB |
Output isn't correct |
7 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
384 KB |
Output is correct |
2 |
Correct |
3 ms |
384 KB |
Output is correct |
3 |
Correct |
3 ms |
384 KB |
Output is correct |
4 |
Correct |
3 ms |
384 KB |
Output is correct |
5 |
Correct |
3 ms |
384 KB |
Output is correct |
6 |
Incorrect |
2 ms |
384 KB |
Output isn't correct |
7 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
384 KB |
Output is correct |
2 |
Correct |
3 ms |
384 KB |
Output is correct |
3 |
Correct |
3 ms |
384 KB |
Output is correct |
4 |
Correct |
3 ms |
384 KB |
Output is correct |
5 |
Correct |
3 ms |
384 KB |
Output is correct |
6 |
Incorrect |
2 ms |
384 KB |
Output isn't correct |
7 |
Halted |
0 ms |
0 KB |
- |