Submission #1109624

#	Time	Username	Problem	Language	Result	Execution time	Memory
1109624		simona1230	Palembang Bridges (APIO15_bridge)	C++17	0 / 100	1 ms	2552 KiB

bridge

#include <bits/stdc++.h>
using namespace std;

int k,n,num;
pair<int,int> p[200001];
int other,curr;

int l[200001],r[200001];
vector<pair<int,int> > v;
int c=0;

void read()
{
    cin>>k>>n;
    for(int i=1;i<=n;i++)
    {
        char c1,c2;
        int s,f;
        cin>>c1>>s>>c2>>f;
        if(c1!=c2)
        {
            if(s>f)swap(s,f);
            curr+=s+f+3;
            v.push_back({s,1});
            v.push_back({f,2});
        }
        else
        {
            other+=max(s,f)-min(s,f);
        }
    }
    sort(v.begin(),v.end());

    for(int i=0;i<v.size();i++)
    {
        if(i==0||v[i].first!=v[i-1].first)c++;
        if(v[i].second==1)l[c]++;
        else r[c]++;
    }
}

void solve()
{
    int cntl=0,cntr=n;
    for(int i=1;i<=c;i++)
    {
        cntr-=l[i];
        cntl+=r[i];
        curr+=(cntl-cntr)*2;
        cout<<l[i]<<" "<<r[i]<<" "<<curr+other<<" "<<cntl<<" "<<cntr<<endl;
    }
}

int main()
{
    read();
    solve();
    return 0;
}

/*
 1 5
 B 0 A 4
 B 1 B 3
 A 5 B 7
 B 2 A 6
 B 1 A 7
*/

Compilation message (stderr)

bridge.cpp: In function 'void read()':
bridge.cpp:34:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   34 |     for(int i=0;i<v.size();i++)
      |                 ~^~~~~~~~~

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