Submission #417997

#	Time	Username	Problem	Language	Result	Execution time	Memory
417997		SlavicG	Wiring (IOI17_wiring)	C++17	Compilation error	0 ms	0 KiB

wiring

#include "bits/stdc++.h"
 
using namespace std;
 
#define ll long long
 
#define       forn(i,n)              for(int i=0;i<n;i++)
#define          all(v)              v.begin(), v.end()
#define         rall(v)              v.rbegin(),v.rend()
 
#define            pb                push_back
#define          sz(a)               (int)a.size()
#define         fastio               ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
#define      GR(a,n,m)               vector<vector<int>> a(n, vector<int>(m, 0));

ll min_total_length(vector<int> a, vector<int> b)
{
    if(sz(a) > sz(b))swap(a,b);
    int n = sz(a), m = sz(b);
    ll ret = LLONG_MAX;
    if(max(n, m) <= 5000)
    {

        for(int start_poz = 0;start_poz + n - 1 < m;start_poz++){
            int idx = start_poz;
            ll ans = 0;
            for(int i = start_poz;i < n;i++){
                ans += abs(a[i] - b[i]);
                idx++;
            }

            for(int i = 0;i < start_poz;i++){
                int poz = lower_bound(all(a), b[i]) - a.begin();
                ll mn = LLONG_MAX;
                for(int j = max(poz - 5, 0);j < min(poz + 5, m);j++){
                    mn = min(mn, 1LL * abs(b[i] - a[j]));
                }
                ans += mn;
            }
            for(int i = idx;i < m;i++){
                int poz = lower_bound(all(a), b[i]) - a.begin();
                ll mn = LLONG_MAX;
                for(int j = max(poz - 5, 0);j < min(poz + 5, m);j++){
                    mn = min(mn, 1LL * abs(b[i] - a[j]));
                }
                ans += mn;
            }
            ret = min(ret, ans);
        }
        return ret;
    }

    int idx = 0;
    ll ans = 0;
    for(int i = 0;i < n;i++){
        ans += abs(a[i] - b[i]);
        idx++;
    }

    for(int i = idx;i < m;i++){
        int poz = lower_bound(all(a), b[i]) - a.begin();
        ll mn = LLONG_MAX;
        for(int j = max(poz - 5, 0);j < min(poz + 5, m);j++){
            mn = min(mn, 1LL * abs(b[i] - a[j]));
        }
        ans += mn;
    }
    return ans;
}

void solve()
{
    int n, m;
    cin >> n >> m;
    vector<int> a(n),b(m);
    for(int i = 0;i < n;i++){
        cin>>a[i];
    }
    for(int i = 0;i < m;i++){
        cin >> b[i];
    }
    cout << min_total_length(a,b) << "\n";
}
 
int32_t main()
{
    fastio;
    int t = 1;
    //cin >> t;
    while(t--)
    {
        solve();
    }
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccC2M37g.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccyFbSqf.o:wiring.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status