Submission #997356

#	Time	Username	Problem	Language	Result	Execution time	Memory
997356		doducanh	Palembang Bridges (APIO15_bridge)	C++14	0 / 100	4 ms	560 KiB

bridge

#include <bits/stdc++.h>

using namespace std;
#define ii pair<int,int>
const int maxn=1e5+7;
struct nguoi
{
    int xo,yo,xt,yt;
};
nguoi a[maxn];
int k,n;
main()
{
    cin>>k>>n;
    vector<ii>v;
    set<int>s;
    int delt=0;
    for(int i=1;i<=n;i++){
        char xo,xt;
        cin>>xo>>a[i].yo>>xt>>a[i].yt;
        a[i].xo=(xo=='B');
        a[i].xt=(xt=='B');
        s.insert(a[i].yo);
        s.insert(a[i].yt);
        if(xo==xt){
            delt+=abs(a[i].yt-a[i].yo);
        }
        else v.push_back({a[i].yo,a[i].yt});
    }
    long long ans=LLONG_MAX;
    for(int to:s){
        long long s=0ll;
        for(auto [x,y]:v){
            s=s+((long long)(abs(x-to)+abs(y-to))+1ll);
        }
        ans=min(ans,s);
    }
    cout<<ans+delt;
    return 0;
}

Compilation message (stderr)

bridge.cpp:12:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   12 | main()
      | ^~~~
bridge.cpp: In function 'int main()':
bridge.cpp:33:18: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   33 |         for(auto [x,y]:v){
      |                  ^

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