Submission #328620

#	Time	Username	Problem	Language	Result	Execution time	Memory
328620		Vladth11	Untitled (POI11_imp)	C++14	100 / 100	2133 ms	33340 KiB

Main

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#define debug(x) cerr << #x << " " << x << "\n"
#define debug_with_space(x) cerr << #x << " " << x << " "

using namespace std;
using namespace __gnu_pbds;
typedef long long ll;
typedef pair <ll, ll> pii;
typedef pair <ll, pii> piii;
typedef tree <pii, null_type, less <pii>, rb_tree_tag, tree_order_statistics_node_update> OST;

const ll NMAX = 200001;
const ll INF = (1 << 16) - 1;
const ll MOD = 1000000007;
const ll BLOCK = 101;
const ll nr_of_bits = 20;

bitset <3001> b[3001];
vector <int> sol;
vector <int> v[3001];
int ok[3001];
queue <int> q;

int main() {
    int n, m, i;
    cin >> n >> m;
    for(i = 1; i <= m; i++) {
        int x, y;
        cin >> x >> y;
        b[x][y].flip();
        b[y][x].flip();
    }
    for(i = 1; i <= n; i++) {
        ok[i] = 1;
    }
    for(int i = 1; i <= n; i++){
        for(int j = i + 1; j <= n; j++){
            if(!b[i][j] && ok[i] && ok[j]){
                ok[i] = 0;
                ok[j] = 0;
            }
        }
    }
    int cc = n / 3;
    for(int i = 1; i <= n && cc; i++){
        if(ok[i]){
            cout << i << " ";
            cc--;
        }
    }
    return 0;
}

• 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: 10 / 10