oj.uz

Submission #104896

# Submission time Handle Problem Language Result Execution time Memory
104896 2019-04-09T13:41:23 Z antimirage Cake 3 (JOI19_cake3) C++14
100 / 100
 2221 ms 148440 KB 
#include <bits/stdc++.h>

#define fr first
#define sc second
#define mk make_pair
#define pb push_back
#define all(s) s.begin(), s.end()

using namespace std;

const int N = 2e5 + 5;

int n, m, sz = 1, root[N];

pair <int, int> a[N];

struct tree{
	int l, r, cnt;
	long long sum;
};

tree t[N * 32];

long long ans = -1e18;

void update (int ov, int nv, int pos, int tl = 1, int tr = 1e9){

	if (tl == tr)
		t[nv].cnt = t[ov].cnt + 1,
		t[nv].sum = t[ov].sum + tl;
		
	else{
		int tm = (tl + tr) >> 1;
		
		if (pos <= tm){
			t[nv].l = ++sz;
			t[nv].r = t[ov].r;
			update( t[ov].l, t[nv].l, pos, tl, tm );
		}
		else{
			t[nv].r = ++sz;
			t[nv].l = t[ov].l;
			update( t[ov].r, t[nv].r, pos, tm + 1, tr );
		}
		t[nv].cnt = t[ t[nv].l ].cnt + t[ t[nv].r ].cnt;
		t[nv].sum = t[ t[nv].l ].sum + t[ t[nv].r ].sum;
	}
}
long long get (int ov, int nv, int k = m, int tl = 1, int tr = 1e9)
{
	if (tl == tr)
		return k * 1ll * tl;
	
	int tm = (tl + tr) >> 1;
	
	if (k > t[ t[nv].r ].cnt - t[ t[ov].r ].cnt)
		return get(t[ov].l, t[nv].l, k - (t[ t[nv].r ].cnt - t[ t[ov].r ].cnt), tl, tm) + (t[ t[nv].r ].sum - t[ t[ov].r ].sum);

	return get(t[ov].r, t[nv].r, k, tm + 1, tr);
} 
void calc (int l, int r, int opl, int opr)
{
	if (l > r) return;
	
	int md = (l + r) >> 1;
	
	int opt = opl;
	long long res = -1e18;
	
	for (int i = opl; i <= min(opr, md - m + 1); i++){
		
		long long sup = get(root[i - 1], root[md]);
		if ( sup - (a[md].fr - a[i].fr) * 2 > res){
			res = sup - (a[md].fr - a[i].fr) * 2;
			opt = i;
		}
	}
	ans = max(ans, res);
	
	calc(l, md - 1, opl, opt);
	calc(md + 1, r, opt, opr);
}

main(){
	cin >> n >> m;
	
	for (int i = 1; i <= n; i++){
		scanf("%d%d", &a[i].sc, &a[i].fr);
	}
	sort(a + 1, a + n + 1);
	
	for (int i = 1; i <= n; i++){
		root[i] = ++sz;
		update(root[i - 1], root[i], a[i].sc);
	}	
	calc( 1, n, 1, n );
	
	cout << ans << endl;
}
/**
5 3                 
2 1
4 2
6 4
8 8
10 16
**/

Compilation message

cake3.cpp:84:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main(){
      ^
cake3.cpp: In function 'int main()':
cake3.cpp:88:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d", &a[i].sc, &a[i].fr);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 3 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 3 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 3 ms 384 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 3 ms 384 KB Output is correct
12 Correct 3 ms 384 KB Output is correct
13 Correct 2 ms 384 KB Output is correct
14 Correct 2 ms 384 KB Output is correct
15 Correct 2 ms 384 KB Output is correct
16 Correct 2 ms 384 KB Output is correct
17 Correct 2 ms 512 KB Output is correct
18 Correct 3 ms 384 KB Output is correct
19 Correct 3 ms 384 KB Output is correct
20 Correct 3 ms 384 KB Output is correct
21 Correct 3 ms 384 KB Output is correct
22 Correct 2 ms 384 KB Output is correct
23 Correct 3 ms 384 KB Output is correct
24 Correct 2 ms 384 KB Output is correct
25 Correct 3 ms 384 KB Output is correct
26 Correct 3 ms 384 KB Output is correct
27 Correct 3 ms 384 KB Output is correct
28 Correct 2 ms 384 KB Output is correct
29 Correct 3 ms 384 KB Output is correct
30 Correct 2 ms 384 KB Output is correct
31 Correct 3 ms 384 KB Output is correct
32 Correct 2 ms 384 KB Output is correct
33 Correct 2 ms 384 KB Output is correct
34 Correct 2 ms 384 KB Output is correct
35 Correct 4 ms 412 KB Output is correct
36 Correct 3 ms 384 KB Output is correct
37 Correct 3 ms 384 KB Output is correct

Subtask #2
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 3 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 3 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 3 ms 384 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 3 ms 384 KB Output is correct
12 Correct 3 ms 384 KB Output is correct
13 Correct 2 ms 384 KB Output is correct
14 Correct 2 ms 384 KB Output is correct
15 Correct 2 ms 384 KB Output is correct
16 Correct 2 ms 384 KB Output is correct
17 Correct 2 ms 512 KB Output is correct
18 Correct 3 ms 384 KB Output is correct
19 Correct 3 ms 384 KB Output is correct
20 Correct 3 ms 384 KB Output is correct
21 Correct 3 ms 384 KB Output is correct
22 Correct 2 ms 384 KB Output is correct
23 Correct 3 ms 384 KB Output is correct
24 Correct 2 ms 384 KB Output is correct
25 Correct 3 ms 384 KB Output is correct
26 Correct 3 ms 384 KB Output is correct
27 Correct 3 ms 384 KB Output is correct
28 Correct 2 ms 384 KB Output is correct
29 Correct 3 ms 384 KB Output is correct
30 Correct 2 ms 384 KB Output is correct
31 Correct 3 ms 384 KB Output is correct
32 Correct 2 ms 384 KB Output is correct
33 Correct 2 ms 384 KB Output is correct
34 Correct 2 ms 384 KB Output is correct
35 Correct 4 ms 412 KB Output is correct
36 Correct 3 ms 384 KB Output is correct
37 Correct 3 ms 384 KB Output is correct
38 Correct 11 ms 1792 KB Output is correct
39 Correct 10 ms 1792 KB Output is correct
40 Correct 10 ms 1792 KB Output is correct
41 Correct 7 ms 1664 KB Output is correct
42 Correct 7 ms 1792 KB Output is correct
43 Correct 7 ms 1664 KB Output is correct
44 Correct 8 ms 1664 KB Output is correct
45 Correct 10 ms 1764 KB Output is correct
46 Correct 9 ms 1792 KB Output is correct
47 Correct 8 ms 1792 KB Output is correct
48 Correct 7 ms 1664 KB Output is correct
49 Correct 5 ms 1792 KB Output is correct
50 Correct 9 ms 1792 KB Output is correct
51 Correct 6 ms 1792 KB Output is correct
52 Correct 6 ms 1664 KB Output is correct
53 Correct 7 ms 1792 KB Output is correct
54 Correct 5 ms 1792 KB Output is correct
55 Correct 7 ms 1792 KB Output is correct
56 Correct 6 ms 1792 KB Output is correct
57 Correct 6 ms 1792 KB Output is correct
58 Correct 6 ms 1792 KB Output is correct
59 Correct 7 ms 1792 KB Output is correct
60 Correct 8 ms 1792 KB Output is correct
61 Correct 7 ms 1792 KB Output is correct
62 Correct 5 ms 1792 KB Output is correct
63 Correct 6 ms 1792 KB Output is correct
64 Correct 5 ms 1792 KB Output is correct
65 Correct 9 ms 1792 KB Output is correct
66 Correct 7 ms 1664 KB Output is correct
67 Correct 7 ms 1792 KB Output is correct
68 Correct 6 ms 1792 KB Output is correct
69 Correct 5 ms 1792 KB Output is correct
70 Correct 8 ms 1792 KB Output is correct
71 Correct 7 ms 1792 KB Output is correct
72 Correct 5 ms 1856 KB Output is correct
73 Correct 6 ms 1664 KB Output is correct
74 Correct 5 ms 1792 KB Output is correct

Subtask #3
76.0 / 76.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 3 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 3 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 3 ms 384 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 3 ms 384 KB Output is correct
12 Correct 3 ms 384 KB Output is correct
13 Correct 2 ms 384 KB Output is correct
14 Correct 2 ms 384 KB Output is correct
15 Correct 2 ms 384 KB Output is correct
16 Correct 2 ms 384 KB Output is correct
17 Correct 2 ms 512 KB Output is correct
18 Correct 3 ms 384 KB Output is correct
19 Correct 3 ms 384 KB Output is correct
20 Correct 3 ms 384 KB Output is correct
21 Correct 3 ms 384 KB Output is correct
22 Correct 2 ms 384 KB Output is correct
23 Correct 3 ms 384 KB Output is correct
24 Correct 2 ms 384 KB Output is correct
25 Correct 3 ms 384 KB Output is correct
26 Correct 3 ms 384 KB Output is correct
27 Correct 3 ms 384 KB Output is correct
28 Correct 2 ms 384 KB Output is correct
29 Correct 3 ms 384 KB Output is correct
30 Correct 2 ms 384 KB Output is correct
31 Correct 3 ms 384 KB Output is correct
32 Correct 2 ms 384 KB Output is correct
33 Correct 2 ms 384 KB Output is correct
34 Correct 2 ms 384 KB Output is correct
35 Correct 4 ms 412 KB Output is correct
36 Correct 3 ms 384 KB Output is correct
37 Correct 3 ms 384 KB Output is correct
38 Correct 11 ms 1792 KB Output is correct
39 Correct 10 ms 1792 KB Output is correct
40 Correct 10 ms 1792 KB Output is correct
41 Correct 7 ms 1664 KB Output is correct
42 Correct 7 ms 1792 KB Output is correct
43 Correct 7 ms 1664 KB Output is correct
44 Correct 8 ms 1664 KB Output is correct
45 Correct 10 ms 1764 KB Output is correct
46 Correct 9 ms 1792 KB Output is correct
47 Correct 8 ms 1792 KB Output is correct
48 Correct 7 ms 1664 KB Output is correct
49 Correct 5 ms 1792 KB Output is correct
50 Correct 9 ms 1792 KB Output is correct
51 Correct 6 ms 1792 KB Output is correct
52 Correct 6 ms 1664 KB Output is correct
53 Correct 7 ms 1792 KB Output is correct
54 Correct 5 ms 1792 KB Output is correct
55 Correct 7 ms 1792 KB Output is correct
56 Correct 6 ms 1792 KB Output is correct
57 Correct 6 ms 1792 KB Output is correct
58 Correct 6 ms 1792 KB Output is correct
59 Correct 7 ms 1792 KB Output is correct
60 Correct 8 ms 1792 KB Output is correct
61 Correct 7 ms 1792 KB Output is correct
62 Correct 5 ms 1792 KB Output is correct
63 Correct 6 ms 1792 KB Output is correct
64 Correct 5 ms 1792 KB Output is correct
65 Correct 9 ms 1792 KB Output is correct
66 Correct 7 ms 1664 KB Output is correct
67 Correct 7 ms 1792 KB Output is correct
68 Correct 6 ms 1792 KB Output is correct
69 Correct 5 ms 1792 KB Output is correct
70 Correct 8 ms 1792 KB Output is correct
71 Correct 7 ms 1792 KB Output is correct
72 Correct 5 ms 1856 KB Output is correct
73 Correct 6 ms 1664 KB Output is correct
74 Correct 5 ms 1792 KB Output is correct
75 Correct 2163 ms 137872 KB Output is correct
76 Correct 2221 ms 134132 KB Output is correct
77 Correct 1898 ms 138168 KB Output is correct
78 Correct 2017 ms 140188 KB Output is correct
79 Correct 405 ms 140716 KB Output is correct
80 Correct 613 ms 136824 KB Output is correct
81 Correct 951 ms 139500 KB Output is correct
82 Correct 1292 ms 141396 KB Output is correct
83 Correct 1084 ms 146396 KB Output is correct
84 Correct 1064 ms 145836 KB Output is correct
85 Correct 860 ms 140976 KB Output is correct
86 Correct 469 ms 136376 KB Output is correct
87 Correct 493 ms 134520 KB Output is correct
88 Correct 777 ms 133624 KB Output is correct
89 Correct 711 ms 140972 KB Output is correct
90 Correct 607 ms 147416 KB Output is correct
91 Correct 426 ms 136412 KB Output is correct
92 Correct 381 ms 135472 KB Output is correct
93 Correct 433 ms 141148 KB Output is correct
94 Correct 383 ms 147316 KB Output is correct
95 Correct 552 ms 147700 KB Output is correct
96 Correct 460 ms 133284 KB Output is correct
97 Correct 532 ms 148404 KB Output is correct
98 Correct 603 ms 146292 KB Output is correct
99 Correct 541 ms 146552 KB Output is correct
100 Correct 494 ms 138252 KB Output is correct
101 Correct 481 ms 138232 KB Output is correct
102 Correct 836 ms 138028 KB Output is correct
103 Correct 807 ms 136136 KB Output is correct
104 Correct 874 ms 143376 KB Output is correct
105 Correct 615 ms 143016 KB Output is correct
106 Correct 679 ms 146652 KB Output is correct
107 Correct 515 ms 141536 KB Output is correct
108 Correct 1740 ms 140040 KB Output is correct
109 Correct 1478 ms 148440 KB Output is correct
110 Correct 346 ms 139128 KB Output is correct
111 Correct 437 ms 140664 KB Output is correct
112 Correct 877 ms 134028 KB Output is correct
113 Correct 460 ms 148344 KB Output is correct