Submission #362577

#	Time	Username	Problem	Language	Result	Execution time	Memory
362577		flappybird	Fireworks (APIO16_fireworks)	C++14	7 / 100	1 ms	364 KiB

fireworks

#include <bits/stdc++.h>
using namespace std;
#define MAX 1010101
#define all(v) v.begin(), v.end()
#define ln '\n'
#define MOD 1000000007
#define INF 210000000000
#define pb push_back
#define abs(x) (((x)>0)?(x):(-(x)))
#define len(x) ((x).second-(x).first)
typedef long long ll;
ll C[MAX];
int main(void) {
	ios::sync_with_stdio(false);
	cin.tie(0);
	ll N, M;
	cin >> N >> M;
	ll i;
	ll p;
	for (i = 1; i <= M; i++) cin >> p >> C[i];
	sort(C + 1, C + M + 1);
	ll a = C[(M + 1) / 2];
	ll ans = 0;
	for (i = 1; i <= M; i++) ans += abs(a - C[i]);
	cout << ans << ln;
	return 0;
}

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