Submission #597024

#	Time	Username	Problem	Language	Result	Execution time	Memory
597024		DJ035	Untitled (POI11_imp)	C++17	90 / 100	855 ms	65596 KiB

Main

#pragma GCC optimize("O3")
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,avx,avx2")
#include <bits/stdc++.h>
#define MEM 3333
#define sanic ios_base::sync_with_stdio(0)
#define x first
#define y second
#define pf push_front
#define pb push_back
#define all(v) v.begin(), v.end()
#define sz size()
using namespace std;
typedef long long ll;
typedef pair<ll, ll> pi;
const ll INF = 2e18;
const ll MOD = 998244353;
ll n,m,k;
ll a[MEM][MEM], p[MEM];
signed main(){
    sanic; cin.tie(0);
    cin >> n >> m;
    for(int i=0; i<m; i++){
        ll q1,q2;
        cin >> q1 >> q2;
        if(q1>q2) swap(q1,q2);
        a[q1][q2] = 1;
    }
    for(int i=1; i<=n; i++)
        for(int j=i+1; j<=n; j++){
            if(a[i][j]) continue;
            if(p[i]+p[j]) continue;
            p[i] = p[j] = 1;
        }
    ll o=0;
    for(int i=1; i<=n; i++){
        o += p[i]^1;
        if(p[i]^1) cout << i << ' ';
        if(o==n/3) break;
    }
}

• Subtask 1: 9 / 9
• Subtask 2: 9 / 9
• Subtask 3: 9 / 9
• Subtask 4: 9 / 9
• Subtask 5: 9 / 9
• Subtask 6: 9 / 9
• Subtask 7: 9 / 9
• Subtask 8: 9 / 9
• Subtask 9: 9 / 9
• Subtask 10: 9 / 9
• Subtask 11: 0 / 10