Submission #493872

#	Time	Username	Problem	Language	Result	Execution time	Memory
493872		BreakOfDawn	Fireworks (APIO16_fireworks)	C++14	7 / 100	1 ms	312 KiB

fireworks

/*
🛸　　　 　🌎　°　　🌓　•　　.°•　　　🚀 ✯
　　　★　*　　　　　°　　　　🛰 　°·　　                           🪐
.　　　•　° ★　•  ☄
______________________________________________________
    You are watching a brute force code
        CODE IS WRITTEN BY 13MINUSONE
*/
#include<bits/stdc++.h>
using namespace std;
#define task "c9"
#define SZ(c) c.size()
#define getbit(x,i) (((x) >> (i)) & 1)
#define turnoff(x,i) (x)&(~(1<<(i)))
#define mu2(x) (1<<x)
#define __builtin_popcount __builtin_popcountll
#define all(x) x.begin(),x.end()
#define endl '\n'
#define fi first
#define se second
typedef long long ll ;
typedef pair<int,int> ii;
typedef vector<ll> vll;
typedef vector<int> vi;
template<class X, class Y>
    bool minimize(X &x, const Y &y) {
        X eps = 1e-9;
        if (x > y + eps) {
            x = y;
            return true;
        } else return false;
    }
template<class X, class Y>
    bool maximize(X &x, const Y &y) {
        X eps = 1e-9;
        if (x + eps < y) {
            x = y;
            return true;
        } else return false;
    }
template<class T>
    T Abs(const T &x) {
        return (x < 0 ? -x : x);
    }
const ll N = 1e5 + 5;
const ll mod =1e9+9;
const ll base = 311;
const int block = 488;
void fastio()
{

    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
}
void inti()
{
        if(fopen(task".inp","r"))
    {
        freopen(task".inp","r",stdin);
        freopen(task".out","w",stdout);
    }
}
int n,m;
ll ans=0;
void nhap()
{
    cin >> n >> m;
    if (n == 1) {
        vector<long long> cs;
        for (int i = 1; i < n + m; i++) {
            int p;
            long long c;
            cin >> p >> c;
            cs.emplace_back(c);
        }
        sort(cs.begin(), cs.end());
        long long loc = cs[cs.size() / 2];
        long long ans = 0;
        for (int i = 0; i < (int) cs.size(); i++) {
            ans += abs(loc - cs[i]);
        }
        cout << ans << '\n';
        return ;
    }
}
int main()
{

    fastio();
     inti();
    nhap();
}

Compilation message (stderr)

fireworks.cpp: In function 'void inti()':
fireworks.cpp:60:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   60 |         freopen(task".inp","r",stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
fireworks.cpp:61:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   61 |         freopen(task".out","w",stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~

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