oj.uz

Submission #233066

# Submission time Handle Problem Language Result Execution time Memory
233066 2020-05-19T06:17:45 Z oolimry Cake 3 (JOI19_cake3) C++14
100 / 100
 3656 ms 19228 KB 
#include <bits/stdc++.h>
#define C first
#define V second
using namespace std;
typedef pair<long long, long long> ii;

int n, m; 

long long op[300005];
ii arr[200005];

struct maxM{
	multiset<long long> take;
	multiset<long long> notake;
	long long total = 0;
	int l = -1, r = -1;
	
	void include(long long pos){
		long long x = arr[pos].V;
		if(l == -1){
			l = pos; r = pos;
		}
		else{
			r++;
		}
		//cout << "INC: " << x << endl;
		take.insert(x); total += x;
		if((int) take.size() > m){
			auto it = take.begin();
			total -= *it;
			take.erase(it);
			notake.insert(*it);
		}
	}
	
	void exclude(){
		long long x = arr[l].V;
		l++;
		//cout << "EXC: " << x << endl;
		auto it = notake.find(x);
		if(it != notake.end()){
			notake.erase(it);
			return;
		}
		
		take.erase(take.find(x)); total -= x;
		while((int) take.size() < m && !notake.empty()){
			auto it2 = (--notake.end());
			take.insert(*it2);
			total += *it2;
			notake.erase(it2);
		}
		
	}
	
	long long get(){
		if((int) take.size() == m) return total;
		else return -1e18;
	}
	
	void reset(){
		//cout << "RESET: " << endl;
		take.clear();
		notake.clear();
		l = -1, r = -1;
		total = 0;
	}
};
maxM S;

signed main(){
	ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
	
	cin >> n >> m; m -= 2;
	
	for(int i = 1;i <= n;i++) cin >> arr[i].V >> arr[i].C;
	
	sort(arr+1,arr+n+1);
	
	long long ans = -1e18;
	
	fill(op,op+300004, n); op[0] = 1; 
	for(int bit = (1<<17);bit >= 1;bit >>= 1){
		S.reset();
		
		for(int s = bit;s < n - m;s += 2*bit){
			int L, R;
			L = op[s-bit];
			R = op[s+bit];
			L = max(s+1, L);
			
			long long bestValue = -1e18;
			long long bestPos = -1;
			
			
			for(int e = L;e <= R;e++){
				
				long long val = S.get() + arr[s].V + arr[e].V - 2*arr[e].C + 2*arr[s].C;
				ans = max(ans, val);
				if(bestValue < val){
					bestValue = val;
					bestPos = e;
				}
				
				if(e != R){
					//cout << "INC: " << e << endl;
					S.include(e);
				}
			}
			
			while(S.l <= s + 2*bit && S.l <= S.r){
				//if(s == 24) cout << "YUDODIS" << endl;
				//cout << "EXC: " << S.l << endl;
				S.exclude();
			}
			//cout << s  << " " << L << " " << R << " " << bestValue << " " << bestPos << endl;
			op[s] = bestPos;
		}
	}
	
	cout << ans;	
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 2688 KB Output is correct
2 Correct 6 ms 2688 KB Output is correct
3 Correct 6 ms 2688 KB Output is correct
4 Correct 6 ms 2560 KB Output is correct
5 Correct 6 ms 2688 KB Output is correct
6 Correct 6 ms 2688 KB Output is correct
7 Correct 6 ms 2688 KB Output is correct
8 Correct 6 ms 2688 KB Output is correct
9 Correct 6 ms 2688 KB Output is correct
10 Correct 6 ms 2688 KB Output is correct
11 Correct 6 ms 2688 KB Output is correct
12 Correct 6 ms 2688 KB Output is correct
13 Correct 6 ms 2688 KB Output is correct
14 Correct 6 ms 2688 KB Output is correct
15 Correct 6 ms 2688 KB Output is correct
16 Correct 6 ms 2688 KB Output is correct
17 Correct 6 ms 2688 KB Output is correct
18 Correct 6 ms 2688 KB Output is correct
19 Correct 6 ms 2688 KB Output is correct
20 Correct 6 ms 2688 KB Output is correct
21 Correct 6 ms 2688 KB Output is correct
22 Correct 6 ms 2688 KB Output is correct
23 Correct 6 ms 2688 KB Output is correct
24 Correct 6 ms 2688 KB Output is correct
25 Correct 6 ms 2688 KB Output is correct
26 Correct 6 ms 2688 KB Output is correct
27 Correct 6 ms 2688 KB Output is correct
28 Correct 6 ms 2688 KB Output is correct
29 Correct 6 ms 2688 KB Output is correct
30 Correct 6 ms 2688 KB Output is correct
31 Correct 6 ms 2688 KB Output is correct
32 Correct 6 ms 2688 KB Output is correct
33 Correct 6 ms 2688 KB Output is correct
34 Correct 6 ms 2688 KB Output is correct
35 Correct 6 ms 2688 KB Output is correct
36 Correct 6 ms 2688 KB Output is correct
37 Correct 6 ms 2688 KB Output is correct

Subtask #2
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 2688 KB Output is correct
2 Correct 6 ms 2688 KB Output is correct
3 Correct 6 ms 2688 KB Output is correct
4 Correct 6 ms 2560 KB Output is correct
5 Correct 6 ms 2688 KB Output is correct
6 Correct 6 ms 2688 KB Output is correct
7 Correct 6 ms 2688 KB Output is correct
8 Correct 6 ms 2688 KB Output is correct
9 Correct 6 ms 2688 KB Output is correct
10 Correct 6 ms 2688 KB Output is correct
11 Correct 6 ms 2688 KB Output is correct
12 Correct 6 ms 2688 KB Output is correct
13 Correct 6 ms 2688 KB Output is correct
14 Correct 6 ms 2688 KB Output is correct
15 Correct 6 ms 2688 KB Output is correct
16 Correct 6 ms 2688 KB Output is correct
17 Correct 6 ms 2688 KB Output is correct
18 Correct 6 ms 2688 KB Output is correct
19 Correct 6 ms 2688 KB Output is correct
20 Correct 6 ms 2688 KB Output is correct
21 Correct 6 ms 2688 KB Output is correct
22 Correct 6 ms 2688 KB Output is correct
23 Correct 6 ms 2688 KB Output is correct
24 Correct 6 ms 2688 KB Output is correct
25 Correct 6 ms 2688 KB Output is correct
26 Correct 6 ms 2688 KB Output is correct
27 Correct 6 ms 2688 KB Output is correct
28 Correct 6 ms 2688 KB Output is correct
29 Correct 6 ms 2688 KB Output is correct
30 Correct 6 ms 2688 KB Output is correct
31 Correct 6 ms 2688 KB Output is correct
32 Correct 6 ms 2688 KB Output is correct
33 Correct 6 ms 2688 KB Output is correct
34 Correct 6 ms 2688 KB Output is correct
35 Correct 6 ms 2688 KB Output is correct
36 Correct 6 ms 2688 KB Output is correct
37 Correct 6 ms 2688 KB Output is correct
38 Correct 14 ms 2792 KB Output is correct
39 Correct 13 ms 2816 KB Output is correct
40 Correct 12 ms 2816 KB Output is correct
41 Correct 12 ms 2816 KB Output is correct
42 Correct 10 ms 2816 KB Output is correct
43 Correct 11 ms 2816 KB Output is correct
44 Correct 12 ms 2816 KB Output is correct
45 Correct 13 ms 2816 KB Output is correct
46 Correct 15 ms 2816 KB Output is correct
47 Correct 13 ms 2816 KB Output is correct
48 Correct 13 ms 2816 KB Output is correct
49 Correct 12 ms 2816 KB Output is correct
50 Correct 12 ms 2944 KB Output is correct
51 Correct 12 ms 2816 KB Output is correct
52 Correct 12 ms 2816 KB Output is correct
53 Correct 12 ms 2816 KB Output is correct
54 Correct 11 ms 2816 KB Output is correct
55 Correct 11 ms 2816 KB Output is correct
56 Correct 10 ms 2816 KB Output is correct
57 Correct 11 ms 2816 KB Output is correct
58 Correct 10 ms 2816 KB Output is correct
59 Correct 9 ms 2816 KB Output is correct
60 Correct 11 ms 2944 KB Output is correct
61 Correct 9 ms 2816 KB Output is correct
62 Correct 9 ms 2816 KB Output is correct
63 Correct 10 ms 2816 KB Output is correct
64 Correct 9 ms 2816 KB Output is correct
65 Correct 12 ms 2816 KB Output is correct
66 Correct 13 ms 2944 KB Output is correct
67 Correct 13 ms 2816 KB Output is correct
68 Correct 13 ms 2816 KB Output is correct
69 Correct 12 ms 2816 KB Output is correct
70 Correct 12 ms 2816 KB Output is correct
71 Correct 11 ms 2816 KB Output is correct
72 Correct 10 ms 2816 KB Output is correct
73 Correct 10 ms 2816 KB Output is correct
74 Correct 7 ms 2816 KB Output is correct

Subtask #3
76.0 / 76.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 2688 KB Output is correct
2 Correct 6 ms 2688 KB Output is correct
3 Correct 6 ms 2688 KB Output is correct
4 Correct 6 ms 2560 KB Output is correct
5 Correct 6 ms 2688 KB Output is correct
6 Correct 6 ms 2688 KB Output is correct
7 Correct 6 ms 2688 KB Output is correct
8 Correct 6 ms 2688 KB Output is correct
9 Correct 6 ms 2688 KB Output is correct
10 Correct 6 ms 2688 KB Output is correct
11 Correct 6 ms 2688 KB Output is correct
12 Correct 6 ms 2688 KB Output is correct
13 Correct 6 ms 2688 KB Output is correct
14 Correct 6 ms 2688 KB Output is correct
15 Correct 6 ms 2688 KB Output is correct
16 Correct 6 ms 2688 KB Output is correct
17 Correct 6 ms 2688 KB Output is correct
18 Correct 6 ms 2688 KB Output is correct
19 Correct 6 ms 2688 KB Output is correct
20 Correct 6 ms 2688 KB Output is correct
21 Correct 6 ms 2688 KB Output is correct
22 Correct 6 ms 2688 KB Output is correct
23 Correct 6 ms 2688 KB Output is correct
24 Correct 6 ms 2688 KB Output is correct
25 Correct 6 ms 2688 KB Output is correct
26 Correct 6 ms 2688 KB Output is correct
27 Correct 6 ms 2688 KB Output is correct
28 Correct 6 ms 2688 KB Output is correct
29 Correct 6 ms 2688 KB Output is correct
30 Correct 6 ms 2688 KB Output is correct
31 Correct 6 ms 2688 KB Output is correct
32 Correct 6 ms 2688 KB Output is correct
33 Correct 6 ms 2688 KB Output is correct
34 Correct 6 ms 2688 KB Output is correct
35 Correct 6 ms 2688 KB Output is correct
36 Correct 6 ms 2688 KB Output is correct
37 Correct 6 ms 2688 KB Output is correct
38 Correct 14 ms 2792 KB Output is correct
39 Correct 13 ms 2816 KB Output is correct
40 Correct 12 ms 2816 KB Output is correct
41 Correct 12 ms 2816 KB Output is correct
42 Correct 10 ms 2816 KB Output is correct
43 Correct 11 ms 2816 KB Output is correct
44 Correct 12 ms 2816 KB Output is correct
45 Correct 13 ms 2816 KB Output is correct
46 Correct 15 ms 2816 KB Output is correct
47 Correct 13 ms 2816 KB Output is correct
48 Correct 13 ms 2816 KB Output is correct
49 Correct 12 ms 2816 KB Output is correct
50 Correct 12 ms 2944 KB Output is correct
51 Correct 12 ms 2816 KB Output is correct
52 Correct 12 ms 2816 KB Output is correct
53 Correct 12 ms 2816 KB Output is correct
54 Correct 11 ms 2816 KB Output is correct
55 Correct 11 ms 2816 KB Output is correct
56 Correct 10 ms 2816 KB Output is correct
57 Correct 11 ms 2816 KB Output is correct
58 Correct 10 ms 2816 KB Output is correct
59 Correct 9 ms 2816 KB Output is correct
60 Correct 11 ms 2944 KB Output is correct
61 Correct 9 ms 2816 KB Output is correct
62 Correct 9 ms 2816 KB Output is correct
63 Correct 10 ms 2816 KB Output is correct
64 Correct 9 ms 2816 KB Output is correct
65 Correct 12 ms 2816 KB Output is correct
66 Correct 13 ms 2944 KB Output is correct
67 Correct 13 ms 2816 KB Output is correct
68 Correct 13 ms 2816 KB Output is correct
69 Correct 12 ms 2816 KB Output is correct
70 Correct 12 ms 2816 KB Output is correct
71 Correct 11 ms 2816 KB Output is correct
72 Correct 10 ms 2816 KB Output is correct
73 Correct 10 ms 2816 KB Output is correct
74 Correct 7 ms 2816 KB Output is correct
75 Correct 3489 ms 15140 KB Output is correct
76 Correct 3654 ms 17604 KB Output is correct
77 Correct 3545 ms 18552 KB Output is correct
78 Correct 3656 ms 18560 KB Output is correct
79 Correct 1168 ms 18452 KB Output is correct
80 Correct 1711 ms 17928 KB Output is correct
81 Correct 3052 ms 14352 KB Output is correct
82 Correct 3121 ms 14636 KB Output is correct
83 Correct 3304 ms 15020 KB Output is correct
84 Correct 3264 ms 14968 KB Output is correct
85 Correct 2829 ms 14584 KB Output is correct
86 Correct 2375 ms 14968 KB Output is correct
87 Correct 2466 ms 14476 KB Output is correct
88 Correct 2628 ms 13816 KB Output is correct
89 Correct 2970 ms 14568 KB Output is correct
90 Correct 2986 ms 15864 KB Output is correct
91 Correct 2332 ms 15480 KB Output is correct
92 Correct 2272 ms 15352 KB Output is correct
93 Correct 2678 ms 16060 KB Output is correct
94 Correct 2664 ms 17016 KB Output is correct
95 Correct 2956 ms 16120 KB Output is correct
96 Correct 658 ms 14072 KB Output is correct
97 Correct 708 ms 15096 KB Output is correct
98 Correct 791 ms 14840 KB Output is correct
99 Correct 748 ms 14968 KB Output is correct
100 Correct 720 ms 14328 KB Output is correct
101 Correct 718 ms 14200 KB Output is correct
102 Correct 2009 ms 14068 KB Output is correct
103 Correct 1826 ms 13896 KB Output is correct
104 Correct 1926 ms 14584 KB Output is correct
105 Correct 1973 ms 15032 KB Output is correct
106 Correct 1955 ms 15204 KB Output is correct
107 Correct 1816 ms 15608 KB Output is correct
108 Correct 3457 ms 18284 KB Output is correct
109 Correct 3120 ms 19228 KB Output is correct
110 Correct 1310 ms 13956 KB Output is correct
111 Correct 1506 ms 13304 KB Output is correct
112 Correct 1018 ms 16248 KB Output is correct
113 Correct 178 ms 19064 KB Output is correct