Submission #549877

#	Time	Username	Problem	Language	Result	Execution time	Memory
549877		ala2	Palembang Bridges (APIO15_bridge)	C++14	0 / 100	1 ms	300 KiB

bridge

#include <bits/stdc++.h>
#define int long long
#define pb push_back
#define F first
#define S second
#define B begin()
#define E end()
using namespace std;
vector<pair<int,int>>v;
int f(int x)
{
    int g=0;
    for(int i=0;i<v.size();i++)
    {
        g+=abs(v[i].F-x )+abs(v[i].S-x);
    }
    return g;
}
signed main()
{
    int n,k;
    cin>>k>>n;
    int ans=0;

    for(int i=0;i<n;i++)
    {
        char x,y;
        int a,b;
        cin>>x>>a>>y>>b;
        if(x==y)
        {
            ans+=abs(a-b);
        }
        else v.pb({a,b}),ans++;
    }
    int mn=1e18;
    for(int i=0;i<v.size();i++)
    {
        mn=min(mn,f(v[i].F));
    }
    cout<<mn+ans<<endl;


}

Compilation message (stderr)

bridge.cpp: In function 'long long int f(long long int)':
bridge.cpp:13:18: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   13 |     for(int i=0;i<v.size();i++)
      |                 ~^~~~~~~~~
bridge.cpp: In function 'int main()':
bridge.cpp:37:18: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   37 |     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