oj.uz

Submission #1054730

# Submission time Handle Problem Language Result Execution time Memory
1054730 2024-08-12T11:48:47 Z KebabuVaikis15 Palembang Bridges (APIO15_bridge) C++14
22 / 100
 60 ms 9916 KB 
#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;
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory 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

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory 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

Subtask #3
0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 32.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 37.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -