Submission #203918

#	Time	Username	Problem	Language	Result	Execution time	Memory
203918		Segtree	Fireworks (APIO16_fireworks)	C++14	7 / 100	5 ms	376 KiB

fireworks

#include<iostream>
#include<algorithm>
#include<vector>
using namespace std;
typedef long long ll;
#define chmin(a,b) a=min(a,b)
#define chmax(a,b) a=max(a,b)
#define rep(i,n) for(int i=0;i<n;i++)
#define mod 1000000007
#define mad(a,b) a=(a+b)%mod

int main(){
	ll n,m;
	cin>>n>>m;
	if(n==1){
		vector<ll> v;
		rep(i,m){
			ll p,c; cin>>p>>c;
			v.push_back(c);
		}
		sort(v.begin(),v.end());
		ll mid=v[m/2];
		ll ans=0;
		rep(i,m)ans+=abs(v[i]-mid);
		cout<<ans<<endl;
	}
}

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