# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
122245 |
2019-06-27T23:53:51 Z |
duality |
Cake 3 (JOI19_cake3) |
C++11 |
|
1048 ms |
26152 KB |
#define DEBUG 0
#include <bits/stdc++.h>
using namespace std;
#if DEBUG
// basic debugging macros
int __i__,__j__;
#define printLine(l) for(__i__=0;__i__<l;__i__++){cout<<"-";}cout<<endl
#define printLine2(l,c) for(__i__=0;__i__<l;__i__++){cout<<c;}cout<<endl
#define printVar(n) cout<<#n<<": "<<n<<endl
#define printArr(a,l) cout<<#a<<": ";for(__i__=0;__i__<l;__i__++){cout<<a[__i__]<<" ";}cout<<endl
#define print2dArr(a,r,c) cout<<#a<<":\n";for(__i__=0;__i__<r;__i__++){for(__j__=0;__j__<c;__j__++){cout<<a[__i__][__j__]<<" ";}cout<<endl;}
#define print2dArr2(a,r,c,l) cout<<#a<<":\n";for(__i__=0;__i__<r;__i__++){for(__j__=0;__j__<c;__j__++){cout<<setw(l)<<setfill(' ')<<a[__i__][__j__]<<" ";}cout<<endl;}
// advanced debugging class
// debug 1,2,'A',"test";
class _Debug {
public:
template<typename T>
_Debug& operator,(T val) {
cout << val << endl;
return *this;
}
};
#define debug _Debug(),
#else
#define printLine(l)
#define printLine2(l,c)
#define printVar(n)
#define printArr(a,l)
#define print2dArr(a,r,c)
#define print2dArr2(a,r,c,l)
#define debug
#endif
// define
#define MAX_VAL 999999999
#define MAX_VAL_2 999999999999999999LL
#define EPS 1e-6
#define mp make_pair
#define pb push_back
// typedef
typedef unsigned int UI;
typedef long long int LLI;
typedef unsigned long long int ULLI;
typedef unsigned short int US;
typedef pair<int,int> pii;
typedef pair<LLI,LLI> plli;
typedef vector<int> vi;
typedef vector<LLI> vlli;
typedef vector<pii> vpii;
typedef vector<plli> vplli;
// ---------- END OF TEMPLATE ----------
pii cake[200000];
priority_queue<pii,vpii,greater<pii> > H;
priority_queue<pii> H2;
LLI sum = 0;
int ss,ee;
int in[200000];
int insert(int i,int M) {
while (in[H.top().second] != 1) H.pop();
if (cake[i].second > H.top().first) {
H2.push(H.top()),in[H.top().second] = 2;
sum -= H.top().first,H.pop();
H.push(mp(cake[i].second,i)),sum += cake[i].second;
in[i] = 1;
}
else H2.push(mp(cake[i].second,i)),in[i] = 2;
return 0;
}
int erase(int i,int M) {
if (in[i] == 1) {
while (in[H2.top().second] != 2) H2.pop();
sum -= cake[i].second;
H.push(H2.top()),in[H2.top().second] = 1;
sum += H2.top().first,H2.pop();
}
in[i] = 0;
return 0;
}
LLI query(int s,int e,int M) {
if (e-s+1 < M) return -1e18;
else {
while (ss > s) insert(--ss,M);
while (ee < e) insert(++ee,M);
while (ss < s) erase(ss++,M);
while (ee > e) erase(ee--,M);
return sum-2*(cake[e].first-cake[s].first);
}
}
LLI ans = -1e18;
int solve(int l,int r,int al,int ar,int M) {
if (l > r) return 0;
int i,m = (l+r) / 2,b = al;
LLI best = -1e18;
for (i = al; i <= ar; i++) {
LLI x = query(m,i,M);
if (x > best) best = x,b = i;
}
ans = max(ans,best);
solve(l,m-1,al,b,M),solve(m+1,r,b,ar,M);
return 0;
}
int main() {
int i;
int N,M;
scanf("%d %d",&N,&M);
for (i = 0; i < N; i++) scanf("%d %d",&cake[i].second,&cake[i].first);
sort(cake,cake+N);
for (i = 0; i < M; i++) H.push(mp(cake[i].second,i)),in[i] = 1,sum += cake[i].second;
ss = 0,ee = M-1;
solve(0,N-M,0,N-1,M);
printf("%lld\n",ans);
return 0;
}
Compilation message
cake3.cpp: In function 'int main()':
cake3.cpp:111:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d %d",&N,&M);
~~~~~^~~~~~~~~~~~~~~
cake3.cpp:112:34: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
for (i = 0; i < N; i++) scanf("%d %d",&cake[i].second,&cake[i].first);
~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
384 KB |
Output is correct |
2 |
Correct |
2 ms |
384 KB |
Output is correct |
3 |
Correct |
2 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 |
2 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 |
2 ms |
384 KB |
Output is correct |
12 |
Correct |
2 ms |
384 KB |
Output is correct |
13 |
Correct |
3 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 |
384 KB |
Output is correct |
18 |
Correct |
2 ms |
384 KB |
Output is correct |
19 |
Correct |
2 ms |
384 KB |
Output is correct |
20 |
Correct |
2 ms |
384 KB |
Output is correct |
21 |
Correct |
2 ms |
384 KB |
Output is correct |
22 |
Correct |
2 ms |
256 KB |
Output is correct |
23 |
Correct |
2 ms |
384 KB |
Output is correct |
24 |
Correct |
4 ms |
384 KB |
Output is correct |
25 |
Correct |
2 ms |
384 KB |
Output is correct |
26 |
Correct |
2 ms |
384 KB |
Output is correct |
27 |
Correct |
2 ms |
384 KB |
Output is correct |
28 |
Correct |
2 ms |
384 KB |
Output is correct |
29 |
Correct |
2 ms |
384 KB |
Output is correct |
30 |
Correct |
2 ms |
384 KB |
Output is correct |
31 |
Correct |
2 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 |
2 ms |
384 KB |
Output is correct |
36 |
Correct |
2 ms |
384 KB |
Output is correct |
37 |
Correct |
2 ms |
384 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
384 KB |
Output is correct |
2 |
Correct |
2 ms |
384 KB |
Output is correct |
3 |
Correct |
2 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 |
2 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 |
2 ms |
384 KB |
Output is correct |
12 |
Correct |
2 ms |
384 KB |
Output is correct |
13 |
Correct |
3 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 |
384 KB |
Output is correct |
18 |
Correct |
2 ms |
384 KB |
Output is correct |
19 |
Correct |
2 ms |
384 KB |
Output is correct |
20 |
Correct |
2 ms |
384 KB |
Output is correct |
21 |
Correct |
2 ms |
384 KB |
Output is correct |
22 |
Correct |
2 ms |
256 KB |
Output is correct |
23 |
Correct |
2 ms |
384 KB |
Output is correct |
24 |
Correct |
4 ms |
384 KB |
Output is correct |
25 |
Correct |
2 ms |
384 KB |
Output is correct |
26 |
Correct |
2 ms |
384 KB |
Output is correct |
27 |
Correct |
2 ms |
384 KB |
Output is correct |
28 |
Correct |
2 ms |
384 KB |
Output is correct |
29 |
Correct |
2 ms |
384 KB |
Output is correct |
30 |
Correct |
2 ms |
384 KB |
Output is correct |
31 |
Correct |
2 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 |
2 ms |
384 KB |
Output is correct |
36 |
Correct |
2 ms |
384 KB |
Output is correct |
37 |
Correct |
2 ms |
384 KB |
Output is correct |
38 |
Correct |
6 ms |
512 KB |
Output is correct |
39 |
Correct |
6 ms |
512 KB |
Output is correct |
40 |
Correct |
5 ms |
512 KB |
Output is correct |
41 |
Correct |
5 ms |
512 KB |
Output is correct |
42 |
Correct |
4 ms |
512 KB |
Output is correct |
43 |
Correct |
4 ms |
384 KB |
Output is correct |
44 |
Correct |
5 ms |
640 KB |
Output is correct |
45 |
Correct |
6 ms |
640 KB |
Output is correct |
46 |
Correct |
6 ms |
512 KB |
Output is correct |
47 |
Correct |
6 ms |
640 KB |
Output is correct |
48 |
Correct |
6 ms |
512 KB |
Output is correct |
49 |
Correct |
5 ms |
512 KB |
Output is correct |
50 |
Correct |
5 ms |
640 KB |
Output is correct |
51 |
Correct |
5 ms |
640 KB |
Output is correct |
52 |
Correct |
5 ms |
512 KB |
Output is correct |
53 |
Correct |
5 ms |
640 KB |
Output is correct |
54 |
Correct |
4 ms |
512 KB |
Output is correct |
55 |
Correct |
3 ms |
512 KB |
Output is correct |
56 |
Correct |
3 ms |
512 KB |
Output is correct |
57 |
Correct |
4 ms |
512 KB |
Output is correct |
58 |
Correct |
3 ms |
384 KB |
Output is correct |
59 |
Correct |
3 ms |
384 KB |
Output is correct |
60 |
Correct |
5 ms |
384 KB |
Output is correct |
61 |
Correct |
4 ms |
384 KB |
Output is correct |
62 |
Correct |
4 ms |
384 KB |
Output is correct |
63 |
Correct |
4 ms |
640 KB |
Output is correct |
64 |
Correct |
3 ms |
384 KB |
Output is correct |
65 |
Correct |
6 ms |
640 KB |
Output is correct |
66 |
Correct |
5 ms |
640 KB |
Output is correct |
67 |
Correct |
6 ms |
512 KB |
Output is correct |
68 |
Correct |
6 ms |
640 KB |
Output is correct |
69 |
Correct |
5 ms |
640 KB |
Output is correct |
70 |
Correct |
5 ms |
640 KB |
Output is correct |
71 |
Correct |
6 ms |
512 KB |
Output is correct |
72 |
Correct |
4 ms |
512 KB |
Output is correct |
73 |
Correct |
5 ms |
512 KB |
Output is correct |
74 |
Correct |
3 ms |
384 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
384 KB |
Output is correct |
2 |
Correct |
2 ms |
384 KB |
Output is correct |
3 |
Correct |
2 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 |
2 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 |
2 ms |
384 KB |
Output is correct |
12 |
Correct |
2 ms |
384 KB |
Output is correct |
13 |
Correct |
3 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 |
384 KB |
Output is correct |
18 |
Correct |
2 ms |
384 KB |
Output is correct |
19 |
Correct |
2 ms |
384 KB |
Output is correct |
20 |
Correct |
2 ms |
384 KB |
Output is correct |
21 |
Correct |
2 ms |
384 KB |
Output is correct |
22 |
Correct |
2 ms |
256 KB |
Output is correct |
23 |
Correct |
2 ms |
384 KB |
Output is correct |
24 |
Correct |
4 ms |
384 KB |
Output is correct |
25 |
Correct |
2 ms |
384 KB |
Output is correct |
26 |
Correct |
2 ms |
384 KB |
Output is correct |
27 |
Correct |
2 ms |
384 KB |
Output is correct |
28 |
Correct |
2 ms |
384 KB |
Output is correct |
29 |
Correct |
2 ms |
384 KB |
Output is correct |
30 |
Correct |
2 ms |
384 KB |
Output is correct |
31 |
Correct |
2 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 |
2 ms |
384 KB |
Output is correct |
36 |
Correct |
2 ms |
384 KB |
Output is correct |
37 |
Correct |
2 ms |
384 KB |
Output is correct |
38 |
Correct |
6 ms |
512 KB |
Output is correct |
39 |
Correct |
6 ms |
512 KB |
Output is correct |
40 |
Correct |
5 ms |
512 KB |
Output is correct |
41 |
Correct |
5 ms |
512 KB |
Output is correct |
42 |
Correct |
4 ms |
512 KB |
Output is correct |
43 |
Correct |
4 ms |
384 KB |
Output is correct |
44 |
Correct |
5 ms |
640 KB |
Output is correct |
45 |
Correct |
6 ms |
640 KB |
Output is correct |
46 |
Correct |
6 ms |
512 KB |
Output is correct |
47 |
Correct |
6 ms |
640 KB |
Output is correct |
48 |
Correct |
6 ms |
512 KB |
Output is correct |
49 |
Correct |
5 ms |
512 KB |
Output is correct |
50 |
Correct |
5 ms |
640 KB |
Output is correct |
51 |
Correct |
5 ms |
640 KB |
Output is correct |
52 |
Correct |
5 ms |
512 KB |
Output is correct |
53 |
Correct |
5 ms |
640 KB |
Output is correct |
54 |
Correct |
4 ms |
512 KB |
Output is correct |
55 |
Correct |
3 ms |
512 KB |
Output is correct |
56 |
Correct |
3 ms |
512 KB |
Output is correct |
57 |
Correct |
4 ms |
512 KB |
Output is correct |
58 |
Correct |
3 ms |
384 KB |
Output is correct |
59 |
Correct |
3 ms |
384 KB |
Output is correct |
60 |
Correct |
5 ms |
384 KB |
Output is correct |
61 |
Correct |
4 ms |
384 KB |
Output is correct |
62 |
Correct |
4 ms |
384 KB |
Output is correct |
63 |
Correct |
4 ms |
640 KB |
Output is correct |
64 |
Correct |
3 ms |
384 KB |
Output is correct |
65 |
Correct |
6 ms |
640 KB |
Output is correct |
66 |
Correct |
5 ms |
640 KB |
Output is correct |
67 |
Correct |
6 ms |
512 KB |
Output is correct |
68 |
Correct |
6 ms |
640 KB |
Output is correct |
69 |
Correct |
5 ms |
640 KB |
Output is correct |
70 |
Correct |
5 ms |
640 KB |
Output is correct |
71 |
Correct |
6 ms |
512 KB |
Output is correct |
72 |
Correct |
4 ms |
512 KB |
Output is correct |
73 |
Correct |
5 ms |
512 KB |
Output is correct |
74 |
Correct |
3 ms |
384 KB |
Output is correct |
75 |
Correct |
828 ms |
15624 KB |
Output is correct |
76 |
Correct |
972 ms |
15596 KB |
Output is correct |
77 |
Correct |
723 ms |
23900 KB |
Output is correct |
78 |
Correct |
763 ms |
23904 KB |
Output is correct |
79 |
Correct |
82 ms |
8172 KB |
Output is correct |
80 |
Correct |
135 ms |
10440 KB |
Output is correct |
81 |
Correct |
876 ms |
22672 KB |
Output is correct |
82 |
Correct |
1048 ms |
26152 KB |
Output is correct |
83 |
Correct |
995 ms |
22976 KB |
Output is correct |
84 |
Correct |
1026 ms |
23120 KB |
Output is correct |
85 |
Correct |
888 ms |
22864 KB |
Output is correct |
86 |
Correct |
495 ms |
22608 KB |
Output is correct |
87 |
Correct |
541 ms |
22608 KB |
Output is correct |
88 |
Correct |
770 ms |
22408 KB |
Output is correct |
89 |
Correct |
755 ms |
22648 KB |
Output is correct |
90 |
Correct |
526 ms |
23004 KB |
Output is correct |
91 |
Correct |
311 ms |
14248 KB |
Output is correct |
92 |
Correct |
330 ms |
14272 KB |
Output is correct |
93 |
Correct |
412 ms |
22608 KB |
Output is correct |
94 |
Correct |
258 ms |
14176 KB |
Output is correct |
95 |
Correct |
501 ms |
23144 KB |
Output is correct |
96 |
Correct |
295 ms |
10084 KB |
Output is correct |
97 |
Correct |
302 ms |
11492 KB |
Output is correct |
98 |
Correct |
326 ms |
10468 KB |
Output is correct |
99 |
Correct |
278 ms |
11312 KB |
Output is correct |
100 |
Correct |
214 ms |
10852 KB |
Output is correct |
101 |
Correct |
227 ms |
10980 KB |
Output is correct |
102 |
Correct |
951 ms |
22604 KB |
Output is correct |
103 |
Correct |
888 ms |
22748 KB |
Output is correct |
104 |
Correct |
1002 ms |
23468 KB |
Output is correct |
105 |
Correct |
760 ms |
23552 KB |
Output is correct |
106 |
Correct |
723 ms |
23144 KB |
Output is correct |
107 |
Correct |
611 ms |
22548 KB |
Output is correct |
108 |
Correct |
690 ms |
23760 KB |
Output is correct |
109 |
Correct |
523 ms |
24460 KB |
Output is correct |
110 |
Correct |
505 ms |
21836 KB |
Output is correct |
111 |
Correct |
854 ms |
22288 KB |
Output is correct |
112 |
Correct |
607 ms |
21036 KB |
Output is correct |
113 |
Correct |
86 ms |
8400 KB |
Output is correct |