#include <bits/stdc++.h>
using namespace std;
const int MAXN=100000;
long long k, n, pradSuma=0, suma=0;
char a[MAXN], b[MAXN];
long long x[MAXN], y[MAXN];
vector<tuple<long long, long long>> keliai;
long long dPtr=0;
long long dKairej=0, dDesinej;
vector<pair<long long, long long>> pertiltinesPoros;
long long skaiciuok(long long pos)
{
long long val=0;
for (auto i:pertiltinesPoros)
{
if (i.first<=pos && pos<=i.second)
continue;
val+=2ll*min(abs(i.first-pos), abs(i.second-pos));
}
return val;
}
void tinkintDesine(long long id1, long long id2)
{
while (dKairej<dDesinej)
{
long long pradPos=get<0>(keliai[dPtr]);
dPtr++;
suma-=2ll*(get<0>(keliai[dPtr])-pradPos)*(dDesinej-dKairej);
if (get<1>(keliai[dPtr])==0)
dDesinej--;
else
dKairej++;
}
}
int main()
{
cin>>k>>n;
for (int i=0; i<n; i++)
{
cin>>a[i]>>x[i]>>b[i]>>y[i];
if (x[i]>y[i])
swap(x[i], y[i]);
pradSuma+=y[i]-x[i];
if (a[i]!=b[i])
{
pradSuma++;
keliai.push_back(make_tuple(x[i], 0));
keliai.push_back(make_tuple(y[i], 1));
pertiltinesPoros.push_back({x[i], y[i]});
}
}
keliai.push_back(make_tuple(0, 0));
sort(keliai.begin(), keliai.end());
for (int i=0; i<n; i++)
if (a[i]!=b[i])
suma+=2ll*x[i];
dDesinej=keliai.size()/2;
tinkintDesine(-1, -1);
if (k==1)
{
cout<<pradSuma+suma<<endl;
return 0;
}
long long ats=LONG_MAX;
for (auto i:pertiltinesPoros)
{
ats=min(ats, pradSuma+skaiciuok(i.first));
ats=min(ats, pradSuma+skaiciuok(i.second));
}
cout<<ats;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
348 KB |
Output is correct |
11 |
Correct |
1 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
348 KB |
Output is correct |
11 |
Correct |
1 ms |
348 KB |
Output is correct |
12 |
Correct |
28 ms |
8744 KB |
Output is correct |
13 |
Correct |
58 ms |
9916 KB |
Output is correct |
14 |
Correct |
39 ms |
8396 KB |
Output is correct |
15 |
Correct |
34 ms |
5060 KB |
Output is correct |
16 |
Correct |
39 ms |
9144 KB |
Output is correct |
17 |
Correct |
60 ms |
8892 KB |
Output is correct |
18 |
Correct |
47 ms |
9400 KB |
Output is correct |
19 |
Correct |
56 ms |
8932 KB |
Output is correct |
20 |
Correct |
45 ms |
8896 KB |
Output is correct |
21 |
Correct |
52 ms |
8736 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |