Submission #739158

#	Time	Username	Problem	Language	Result	Execution time	Memory
739158		Alihan_8	Fireworks (APIO16_fireworks)	C++17	7 / 100	1 ms	468 KiB

fireworks

#include <bits/stdc++.h>

using namespace std;

#define all(x) x.begin(), x.end()
#define pb push_back
#define ln '\n'
#define int long long

template <class _T>
bool chmin(_T &x, const _T &y){
    bool flag = false;
    if ( x > y ){
        x = y; flag |= true;
    }
    return flag;
}

template <class _T>
bool chmax(_T &x, const _T &y){
    bool flag = false;
    if ( x < y ){
        x = y; flag |= true;
    }
    return flag;
}

signed main(){
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);

    int n, m; cin >> n >> m;
    vector <pair<int,int>> g[n + m];
    vector <int> p;
    for ( int i = 1; i < n + m; i++ ){
        int x, w; cin >> x >> w;
        g[--x].pb({i, w});
        p.pb(w);
    }
    assert(n == 1);
    sort(all(p));
    int res = 0;
    for ( auto i: p ){
        res += abs(i - p[m >> 1]);
    }
    cout << res;

    cout << '\n';
}

• Subtask 1: 7 / 7
• Subtask 2: 0 / 19
• Subtask 3: 0 / 29
• Subtask 4: 0 / 45