oj.uz

Submission #1054745

# Submission time Handle Problem Language Result Execution time Memory
1054745 2024-08-12T11:54:47 Z KebabuVaikis15 Palembang Bridges (APIO15_bridge) C++14
22 / 100
 82 ms 9236 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 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+1; 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:72:20: 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]
   72 |     for (int i=1; i<keliai.size(); i++)
      |                   ~^~~~~~~~~~~~~~
bridge.cpp:73:26: 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 j=i+1; j<keliai.size(); j++)
      |                         ~^~~~~~~~~~~~~~

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 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 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 2 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 1 ms 348 KB Output is correct
9 Correct 2 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 8904 KB Output is correct
13 Correct 58 ms 9236 KB Output is correct
14 Correct 42 ms 8132 KB Output is correct
15 Correct 45 ms 5056 KB Output is correct
16 Correct 40 ms 8888 KB Output is correct
17 Correct 61 ms 8780 KB Output is correct
18 Correct 82 ms 9096 KB Output is correct
19 Correct 60 ms 8892 KB Output is correct
20 Correct 45 ms 8700 KB Output is correct
21 Correct 59 ms 9064 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 344 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 -