Submission #1054152

#	Time	Username	Problem	Language	Result	Execution time	Memory
1054152		FaustasK	Palembang Bridges (APIO15_bridge)	C++14	0 / 100	1 ms	604 KiB

bridge

#include <bits/stdc++.h>

using namespace std;

struct gyventojas
{
    char p;
    int s;
    char q;
    int t;
};

const int maxn = 100000;

int k, n;
gyventojas M[maxn];

int main()
{
  	ios_base::sync_with_stdio(false); cin.tie(0);
    cin >> k >> n;
    long long A_puse = 0;
    long long B_puse = 0;
    vector <int> reikalingi;
    vector <int> nereikalingi;
    for(int i = 0; i<n; i++)
    {
        cin >> M[i].p >> M[i].s >> M[i].q >> M[i].t;
        if(M[i].p != M[i].q)
        {
            reikalingi.push_back(i);
            if(M[i].p == 'A' && M[i].q == 'B')
            {
                A_puse += M[i].s;
                B_puse += M[i].t;
            }
            else
            {
                A_puse += M[i].t;
                B_puse += M[i].s;
            }
        }
        else nereikalingi.push_back(i);
    }
    int kiek = reikalingi.size();
    long long suma = A_puse + B_puse;
    double liekana1 = suma%2;
    //cout << liekana1 << endl;
    liekana1/=2;
    suma/=2;
    //cout << suma << endl;
    //cout << liekana1 << endl;
    double liekana2 = suma%kiek;
    //cout << liekana2 << endl;
    liekana2 += liekana1;
    //cout << liekana2 << endl;
    liekana2/=kiek;
    //cout << liekana2 << endl;
    suma/=kiek;
    //cout << suma << endl;
    double dsuma = suma + liekana2;
    //cout << dsuma << endl;
    int tiltas = round(dsuma);
    //cout << ats;
    long long ats = 0;
    for(int i = 0; i<reikalingi.size(); i++)
    {
        int j = reikalingi[i];
        ats += abs(M[j].s - tiltas) + abs(M[j].t - tiltas);
    }
    for(int i = 0; i<nereikalingi.size(); i++)
    {
        int j = nereikalingi[i];
        ats += abs(M[j].s - M[j].t);
    }
    cout << ats + reikalingi.size();
    return 0;
}

Compilation message (stderr)

bridge.cpp: In function 'int main()':
bridge.cpp:66:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   66 |     for(int i = 0; i<reikalingi.size(); i++)
      |                    ~^~~~~~~~~~~~~~~~~~
bridge.cpp:71:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   71 |     for(int i = 0; i<nereikalingi.size(); i++)
      |                    ~^~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 8
• Subtask 2: 0 / 14
• Subtask 3: 0 / 9
• Subtask 4: 0 / 32
• Subtask 5: 0 / 37