///Gyvenimas grazus
#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 pos1, long long pos2)
{
long long val=0;
for (auto i:pertiltinesPoros)
{
if ((i.first<=pos1 && pos1<=i.second) ||
(i.first<=pos2 && pos2<=i.second))
continue;
val+=2ll*min(min(abs(i.first-pos1), abs(i.second-pos1)), min(abs(i.first-pos2), abs(i.second-pos2)));
}
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 (int i=1; i<keliai.size(); i++)
for (int j=i; j<keliai.size(); j++)
ats=min(ats, pradSuma+skaiciuok(get<0>(keliai[i]), get<0>(keliai[j])));
cout<<ats;
}
Compilation message
bridge.cpp: In function 'int main()':
bridge.cpp:73:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::tuple<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
73 | for (int i=1; i<keliai.size(); i++)
| ~^~~~~~~~~~~~~~
bridge.cpp:74:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::tuple<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
74 | for (int j=i; j<keliai.size(); j++)
| ~^~~~~~~~~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
1 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 |
1 ms |
348 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
344 KB |
Output is correct |
11 |
Correct |
1 ms |
344 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 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 |
2 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
348 KB |
Output is correct |
9 |
Correct |
1 ms |
540 KB |
Output is correct |
10 |
Correct |
1 ms |
600 KB |
Output is correct |
11 |
Correct |
1 ms |
348 KB |
Output is correct |
12 |
Correct |
29 ms |
8804 KB |
Output is correct |
13 |
Correct |
58 ms |
8892 KB |
Output is correct |
14 |
Correct |
67 ms |
9380 KB |
Output is correct |
15 |
Correct |
39 ms |
5060 KB |
Output is correct |
16 |
Correct |
47 ms |
9560 KB |
Output is correct |
17 |
Correct |
83 ms |
10072 KB |
Output is correct |
18 |
Correct |
51 ms |
10204 KB |
Output is correct |
19 |
Correct |
63 ms |
8740 KB |
Output is correct |
20 |
Correct |
62 ms |
8900 KB |
Output is correct |
21 |
Correct |
80 ms |
8944 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
1 ms |
348 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |