oj.uz

답안 #207614

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
207614 2020-03-08T06:40:33 Z junodeveloper 시간이 돈 (balkan11_timeismoney) C++17
75 / 100
 2000 ms 1784 KB 
#include <bits/stdc++.h>
#define sz(x) ((int)x.size())
#define fi first
#define se second
#define pb push_back
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<ll,ll> pll;
struct edge {
	int u,v;
	int v1,v2;
	ll val;
	bool operator<(const edge& b)const {
		return val<b.val;
	}
};
int n,m;
int par[210];
ll a1=1e6,a2=1e6;
vector<edge> e,rv;
int pn(int u){return u==par[u]?u:(par[u]=pn(par[u]));}
void us(int a,int b) {
	a=pn(a),b=pn(b);
	par[b]=a;
}
pll f(pll p) {
	for(int i=0;i<=n;i++)par[i]=i;
	for(auto& it:e)it.val=it.v1*p.fi+it.v2*p.se;
	sort(e.begin(),e.end());
	ll s1=0,s2=0;
	vector<edge> r;
	for(auto& it:e) {
		if(pn(it.u)!=pn(it.v)) {
			us(it.u,it.v);
			s1+=it.v1;
			s2+=it.v2;
			r.pb(it);
		}
	}
	if(s1*s2<a1*a2) {
		a1=s1,a2=s2;
		rv=r;
	}
	return {s1,s2};
}
int dbg;
void solve(pll p1,pll p2) {
	if(p1==p2)return;
	pll v(p1.se-p2.se,p2.fi-p1.fi);
	pll p=f(v);
	if(p==p1||p==p2)return;
	solve(p1,p);solve(p,p2);
}
int main() {
	ios::sync_with_stdio(stdin);cin.tie(0);
	cin>>n>>m;
	for(int i=0;i<m;i++) {
		int x,y,v1,v2;
		cin>>x>>y>>v1>>v2;
		e.pb({x,y,v1,v2});
	}
	pll p1=f({1,0});
	pll p2=f({0,1});
	solve(p1,p2);
	cout<<a1<<' '<<a2<<'\n';
	for(auto& it:rv)cout<<it.u<<' '<<it.v<<'\n';
	return 0;
}

Subtask #1
75.0 / 100.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 256 KB Output is correct
3 Correct 5 ms 256 KB Output is correct
4 Correct 5 ms 256 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 7 ms 376 KB Output is correct
8 Correct 17 ms 824 KB Output is correct
9 Correct 5 ms 256 KB Output is correct
10 Correct 5 ms 376 KB Output is correct
11 Correct 5 ms 256 KB Output is correct
12 Correct 5 ms 376 KB Output is correct
13 Correct 5 ms 376 KB Output is correct
14 Correct 9 ms 376 KB Output is correct
15 Correct 8 ms 376 KB Output is correct
16 Execution timed out 2090 ms 1696 KB Time limit exceeded
17 Execution timed out 2084 ms 1784 KB Time limit exceeded
18 Execution timed out 2086 ms 1784 KB Time limit exceeded
19 Execution timed out 2082 ms 1396 KB Time limit exceeded
20 Execution timed out 2085 ms 1268 KB Time limit exceeded