Submission #952466

#	Time	Username	Problem	Language	Result	Execution time	Memory
952466		SN0WM4N	Cake 3 (JOI19_cake3)	C++14	24 / 100	4043 ms	8044 KiB

cake3

    #include <bits/stdc++.h>
    #include <ext/pb_ds/assoc_container.hpp>
    #include <ext/pb_ds/tree_policy.hpp>
    #define bpc __builtin_popcount
    #define mp make_pair
    #define ull unsigned long long
    #define ld double
    #define ll long long
    #define F first
    #define S second
     
    using namespace __gnu_pbds;
    using namespace std;
     
    typedef tree<long long, null_type, less_equal<long long>,
        rb_tree_tag, tree_order_statistics_node_update> Tree;
     
    const ll INF = 9223372036854775807LL;
    const ll inf = 2147483647;
    const ll MOD = 1e9 + 7;
    const ld PI = acos(-1);
    const ll NROOT = 320;
     
    //void FileIO(string in, string out) {	
    //#ifndef LOCAL
    //	freopen(in, "r", stdin);
    //	freopen(out, "w", stdout);
    //#endif
    //}
     
    ll binpow(ll a, ll b) {
    	ll res = 1;
    	for (; b; b /= 2, a *= a, a %= MOD)
    		if (b & 1) res *= a, res %= MOD;
    	return res;
    }
     
    bool dataOverflow(ll a, ll b) {return (log10(a) + log10(b) >= 18);}
    ll gcd(ll a, ll b) {return b ? gcd(b, a % b) : a;}
    ll lcm(ll a, ll b) {return a * b / gcd(a, b);}
    ll invmod(ll a) {return binpow(a, MOD - 2);}
    ll ceil(ll a, ll b) {return (a + b - 1) / b;}
     
    void print(priority_queue<ll, vector<ll>, greater<ll>> q) {	
    	int cnt = 0;
    	while (!q.empty()) {
    		if (cnt > 0)
    			cerr << " ";
    		cerr << q.top();
    		q.pop();	
    		cnt ++;
    	}
    }
     
    bool cmp(pair<ll, ll> a, pair<ll, ll> b) {
    	if (a.S == b.S) 
    		return a.F < b.F;
    	return a.S < b.S;
    }
     
    void comp(bool stat) {
    	if (!stat) {
          	while (true) {
              	cerr << "Another Loop\n";
            }
    		exit(0);
    	}
    }
     
    int32_t main() {
    	ios_base::sync_with_stdio(0);
    	cin.tie(0); cout.tie(0); 
     
    	int n, m;
    	cin >> n >> m; m -= 2;
    	vector<pair<ll, ll>> v(n + 1);
     
    	for (int i = 1; i <= n; i ++) 
    		cin >> v[i].F >> v[i].S;
     
    	sort(v.begin(), v.end(), cmp);
     
    	ll ans = -1e18;
    	for (int i = 1; i <= n; i ++) {
    		ll act = v[i].F;
    		priority_queue<ll, vector<ll>, greater<ll>> q;
     
    		for (int j = i + 1; j <= n; j ++) {
    			if ((int)q.size() == m) {
    				ll tmp = act + v[j].F;
    				tmp -= (v[j].S  + v[j].S - v[i].S - v[i].S);
    				ans = max(ans, tmp);
     
    				q.push(v[j].F);
    				act += v[j].F;
    				if (q.empty()) {
                      while(true) {
                        cerr << "Another Loop\n";
                      }
    				}
    				act -= q.top();
    				q.pop();	
    			} else {	
    				q.push(v[j].F);
    				act += v[j].F;
    			}
    		}
    	}
     
    	cout << ans << "\n";
     
    	return 0;
    }
     

• Subtask 1: 5 / 5
• Subtask 2: 19 / 19
• Subtask 3: 0 / 76