Submission #1279174

#	Time	Username	Problem	Language	Result	Execution time	Memory
1279174		jackofall718	Island (NOI18_island)	C++20	100 / 100	39 ms	10680 KiB

island

#include <bits/stdc++.h>
#include <chrono>
#define ll long long int
#define endl '\n'
#define vn vector<ll>
#define vi vector<pair <ll,ll>>

using namespace std;
using namespace std::chrono;
const int MAX_N = 1e9 + 7;
#define pii pair<ll,ll>
const ll INF = 0x3f3f3f3f3f3f3f3f;

#define pb push_back  
#define srt(vp) sort(vp.begin(), vp.end()) 

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);

    auto start = high_resolution_clock::now();

    ll n,m;
    cin>>n>>m;

    
    vn count (n+m+1,0);
    for (int i=0;i<n+m-1;i++){
        ll a,b;
        cin>>a>>b;
        count[b]++;
        count[a]++;
        

    }
    vn counts;
    for (int i=n+1;i<=n+m;i++){
        if (count[i])counts.pb(count[i]);
    }

    for (auto &x:counts){
        while (x>1){
            x--;
            cout<<x<<" "<<1<<endl;

        }
    }
   

    

    auto stop = high_resolution_clock::now();
    auto duration = duration_cast<microseconds>(stop - start);
    //cout << "Time taken by function: " << duration.count() << " microseconds" << endl;

    return 0;
}

• Subtask 1: 7 / 7
• Subtask 2: 20 / 20
• Subtask 3: 31 / 31
• Subtask 4: 42 / 42