Submission #1196219

#	Time	Username	Problem	Language	Result	Execution time	Memory
1196219		ezzzay	Palembang Bridges (APIO15_bridge)	C++20	9 / 100	2096 ms	424 KiB

bridge

#include<bits/stdc++.h>
using namespace std;
#define int long long
#define ff first
#define ss second
#define pb push_back
const int N=3e5+5;
int dist(int a, int b){
    return abs(a-b);
}
signed main(){
    int k,n;
    cin>>k>>n;
    int s=0;
    vector<int>vc;
    vector<pair<int,int>>vec;
    for(int i=1;i<=n;i++){
        char x,y;
        int a,b;
        cin>>x>>a>>y>>b;
        if(x==y){
            s+=abs(a-b);
        }
        else{
            s++;
            vc.pb(a);
            vc.pb(b);
            vec.pb({a,b});
        }
    }
    sort(vc.begin(),vc.end());
    int m=vc.size();
    int ans=1e18;
    for(int a:vc){
        for(int b:vc){
            int h=0;
            for(auto p:vec){
                int l=p.ff,r=p.ss;
                h+=min(dist(a,l)+dist(a,r),dist(b,l)+dist(b,r));  
            }
            ans=min(ans,h);
        }
    }
    if(vc.empty())ans=0;
    cout<<ans+s;
}

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