oj.uz

Submission #886247

# Submission time Handle Problem Language Result Execution time Memory
886247 2023-12-11T15:51:12 Z Rafi22 timeismoney (balkan11_timeismoney) C++14
100 / 100
 1746 ms 1564 KB 
#include <bits/stdc++.h>

//#define int long long
#define ll long long
#define ld long double
#define endl '\n'
#define st first
#define nd second
#define pb push_back
#define sz(x) (int)(x).size()
#define all(x) (x).begin(), (x).end()
using namespace std;
int inf=1000000007;
int mod=1000000007;
int mod1=998244353;

const int N=207,M=10007;

int U[M],V[M],X[M],Y[M];

bool cmp(pair<int,int>L,pair<int,int>R)
{
    return L.st*R.nd<R.st*L.nd;
}
vector<int>W;
int n;

int r[N];
int Find(int v)
{
    if(r[v]==v) return v;
    return r[v]=Find(r[v]);
}

vector<pair<int,int>>ans,act;
int sX,sY,bX,bY,res=2*inf;

void Union(int u,int v,int i)
{
    int uu=Find(u),vv=Find(v);
    if(uu==vv) return ;
    r[uu]=vv;
    act.pb({u,v});
    sX+=X[i];
    sY+=Y[i];
}

void calc()
{
    for(int i=0;i<n;i++) r[i]=i;
    act.clear();
    sX=0;
    sY=0;
    for(auto i:W)
    {
        Union(U[i],V[i],i);
        if(sX*sY>=res) break;
    }
    if(sX*sY<res)
    {
        res=sX*sY;
        ans=act;
        bX=sX;
        bY=sY;
    }
}

signed main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int m;
    cin>>n>>m;
    vector<pair<int,int>>ord;
    for(int i=0;i<m;i++)
    {
        cin>>U[i]>>V[i]>>X[i]>>Y[i];
        ord.pb({X[i],i});
    }
    sort(all(ord));
    for(auto [c,x]:ord) W.pb(x);
    vector<pair<int,int>>F;
    F.pb({0,1});
    for(int a=1;a<=255;a++) for(int b=1;b<=255;b++) if(__gcd(a,b)==1) F.pb({a,b});
    sort(all(F),cmp);
    calc();
    for(auto [a,b]:F)
    {
        for(int i=0;i<m;i++)
        {
            int j=i;
            while(j>0&&a*X[W[j]]+b*Y[W[j]]<a*X[W[j-1]]+b*Y[W[j-1]])
            {
                swap(W[j],W[j-1]);
                j--;
            }
        }
        calc();
    }
    cout<<bX<<" "<<bY<<endl;
    for(auto [x,y]:ans) cout<<x<<" "<<y<<endl;


    return 0;
}

Compilation message

timeismoney.cpp: In function 'int main()':
timeismoney.cpp:82:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   82 |     for(auto [c,x]:ord) W.pb(x);
      |              ^
timeismoney.cpp:88:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   88 |     for(auto [a,b]:F)
      |              ^
timeismoney.cpp:102:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
  102 |     for(auto [x,y]:ans) cout<<x<<" "<<y<<endl;
      |              ^

Subtask #1
100.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 121 ms 984 KB Output is correct
2 Correct 11 ms 992 KB Output is correct
3 Correct 18 ms 992 KB Output is correct
4 Correct 41 ms 992 KB Output is correct
5 Correct 155 ms 988 KB Output is correct
6 Correct 162 ms 988 KB Output is correct
7 Correct 392 ms 992 KB Output is correct
8 Correct 1312 ms 1564 KB Output is correct
9 Correct 11 ms 992 KB Output is correct
10 Correct 14 ms 992 KB Output is correct
11 Correct 18 ms 992 KB Output is correct
12 Correct 39 ms 1244 KB Output is correct
13 Correct 45 ms 988 KB Output is correct
14 Correct 129 ms 988 KB Output is correct
15 Correct 166 ms 984 KB Output is correct
16 Correct 451 ms 992 KB Output is correct
17 Correct 468 ms 992 KB Output is correct
18 Correct 450 ms 1248 KB Output is correct
19 Correct 1746 ms 1564 KB Output is correct
20 Correct 1623 ms 1564 KB Output is correct