QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#264095#6823. Coffee Overdosevp_account#TL 2698ms3744kbC++141.1kb2023-11-25 12:31:252023-11-25 12:31:25

Judging History

你现在查看的是最新测评结果

  • [2024-04-08 20:49:53]
  • hack成功,自动添加数据
  • (/hack/589)
  • [2023-11-25 12:31:25]
  • 评测
  • 测评结果:TL
  • 用时:2698ms
  • 内存:3744kb
  • [2023-11-25 12:31:25]
  • 提交

answer

#include<bits/stdc++.h>
#define int long long
using namespace std;
int s,c,ans,T;
int read(){
	int x=0,f=1;char ch=getchar();
	while (!isdigit(ch)) {if (ch=='-') f=-1;ch=getchar();}
	while (isdigit(ch)) x=x*10+ch-48,ch=getchar();
	return x*f;
}
int f(int x,int y){
	int mid=y+(x-1)*c; if (mid>s) return 0;
	return (s+mid+1)*(s-mid)+(c-1)*(y+mid)*x;
}
signed main(){
	T=read();while (T--){
		s=read();c=read()+1;ans=0;  
		/*for (int i=0;i<=(s-1)/c+1;i++)
			for (int j=1;j<=s;j++)
				ans=max(ans,f(i,j)); */
		const int limit=(s-1)/c+1;
		for (int i=max(limit-20,0ll);i<=limit;i++){
			const int x=f(i,c/2);int cur,last,head=c/2; ans=max(ans,x);
			last=x; while (head>1&&(cur=f(i,head-1))>=last) head--,last=cur,ans=max(ans,cur);
			for (int j=0;j<=s;j++) ans=max(ans,f(i,j));
		}
		for (int i=0;i<=min(20ll,limit);i++){
			const int x=f(i,c/2);int cur,last,head=c/2; ans=max(ans,x);
			last=x; while (head>1&&(cur=f(i,head-1))>=last) head--,last=cur,ans=max(ans,cur); 
			for (int j=0;j<=s;j++) ans=max(ans,f(i,j));
		}
		printf("%lld\n",ans/2);
	}
	return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 1ms
memory: 3436kb

input:

4
1 2
2 1
10 4
172800 172800

output:

2
3
63
29859840000

result:

ok 4 tokens

Test #2:

score: 0
Accepted
time: 78ms
memory: 3520kb

input:

100000
1 1
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9
1 10
1 11
1 12
1 13
1 14
1 15
1 16
1 17
1 18
1 19
1 20
1 21
1 22
1 23
1 24
1 25
1 26
1 27
1 28
1 29
1 30
1 31
1 32
1 33
1 34
1 35
1 36
1 37
1 38
1 39
1 40
1 41
1 42
1 43
1 44
1 45
1 46
1 47
1 48
1 49
1 50
1 51
1 52
1 53
1 54
1 55
1 56
1 57
1 58
1 59
1 60
1 ...

output:

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
...

result:

ok 100000 tokens

Test #3:

score: 0
Accepted
time: 250ms
memory: 3504kb

input:

100000
201 1
201 2
201 3
201 4
201 5
201 6
201 7
201 8
201 9
201 10
201 11
201 12
201 13
201 14
201 15
201 16
201 17
201 18
201 19
201 20
201 21
201 22
201 23
201 24
201 25
201 26
201 27
201 28
201 29
201 30
201 31
201 32
201 33
201 34
201 35
201 36
201 37
201 38
201 39
201 40
201 41
201 42
201 43
2...

output:

20301
20302
20304
20309
20316
20328
20343
20365
20391
20426
20466
20517
20574
20644
20721
20813
20913
21030
21156
21301
21435
21588
21735
21837
22001
22152
22248
22359
22533
22680
22785
22848
22974
23154
23310
23436
23532
23598
23634
23801
23985
24150
24295
24420
24525
24610
24675
24720
24745
24901
...

result:

ok 100000 tokens

Test #4:

score: 0
Accepted
time: 529ms
memory: 3740kb

input:

100000
401 1
401 2
401 3
401 4
401 5
401 6
401 7
401 8
401 9
401 10
401 11
401 12
401 13
401 14
401 15
401 16
401 17
401 18
401 19
401 20
401 21
401 22
401 23
401 24
401 25
401 26
401 27
401 28
401 29
401 30
401 31
401 32
401 33
401 34
401 35
401 36
401 37
401 38
401 39
401 40
401 41
401 42
401 43
4...

output:

80601
80602
80604
80609
80616
80628
80643
80665
80691
80726
80766
80817
80874
80944
81021
81113
81213
81330
81456
81601
81756
81932
82119
82329
82551
82798
83058
83345
83636
83916
84227
84448
84759
85068
85260
85551
85877
86108
86256
86601
86920
87150
87290
87531
87885
88182
88407
88560
88641
89001
...

result:

ok 100000 tokens

Test #5:

score: 0
Accepted
time: 840ms
memory: 3504kb

input:

100000
601 1
601 2
601 3
601 4
601 5
601 6
601 7
601 8
601 9
601 10
601 11
601 12
601 13
601 14
601 15
601 16
601 17
601 18
601 19
601 20
601 21
601 22
601 23
601 24
601 25
601 26
601 27
601 28
601 29
601 30
601 31
601 32
601 33
601 34
601 35
601 36
601 37
601 38
601 39
601 40
601 41
601 42
601 43
6...

output:

180901
180902
180904
180909
180916
180928
180943
180965
180991
181026
181066
181117
181174
181244
181321
181413
181513
181630
181756
181901
182056
182232
182419
182629
182851
183098
183358
183645
183946
184276
184621
184997
185389
185814
186256
186661
187117
187568
187921
188401
188805
189133
189630...

result:

ok 100000 tokens

Test #6:

score: 0
Accepted
time: 1245ms
memory: 3696kb

input:

100000
801 1
801 2
801 3
801 4
801 5
801 6
801 7
801 8
801 9
801 10
801 11
801 12
801 13
801 14
801 15
801 16
801 17
801 18
801 19
801 20
801 21
801 22
801 23
801 24
801 25
801 26
801 27
801 28
801 29
801 30
801 31
801 32
801 33
801 34
801 35
801 36
801 37
801 38
801 39
801 40
801 41
801 42
801 43
8...

output:

321201
321202
321204
321209
321216
321228
321243
321265
321291
321326
321366
321417
321474
321544
321621
321713
321813
321930
322056
322201
322356
322532
322719
322929
323151
323398
323658
323945
324246
324576
324921
325297
325689
326114
326556
327033
327528
328060
328611
329201
329770
330378
330885...

result:

ok 100000 tokens

Test #7:

score: 0
Accepted
time: 1697ms
memory: 3544kb

input:

100000
1001 1
1001 2
1001 3
1001 4
1001 5
1001 6
1001 7
1001 8
1001 9
1001 10
1001 11
1001 12
1001 13
1001 14
1001 15
1001 16
1001 17
1001 18
1001 19
1001 20
1001 21
1001 22
1001 23
1001 24
1001 25
1001 26
1001 27
1001 28
1001 29
1001 30
1001 31
1001 32
1001 33
1001 34
1001 35
1001 36
1001 37
1001 3...

output:

501501
501502
501504
501509
501516
501528
501543
501565
501591
501626
501666
501717
501774
501844
501921
502013
502113
502230
502356
502501
502656
502832
503019
503229
503451
503698
503958
504245
504546
504876
505221
505597
505989
506414
506856
507333
507828
508360
508911
509501
510111
510762
511434...

result:

ok 100000 tokens

Test #8:

score: 0
Accepted
time: 2169ms
memory: 3552kb

input:

100000
1201 1
1201 2
1201 3
1201 4
1201 5
1201 6
1201 7
1201 8
1201 9
1201 10
1201 11
1201 12
1201 13
1201 14
1201 15
1201 16
1201 17
1201 18
1201 19
1201 20
1201 21
1201 22
1201 23
1201 24
1201 25
1201 26
1201 27
1201 28
1201 29
1201 30
1201 31
1201 32
1201 33
1201 34
1201 35
1201 36
1201 37
1201 3...

output:

721801
721802
721804
721809
721816
721828
721843
721865
721891
721926
721966
722017
722074
722144
722221
722313
722413
722530
722656
722801
722956
723132
723319
723529
723751
723998
724258
724545
724846
725176
725521
725897
726289
726714
727156
727633
728128
728660
729211
729801
730411
731062
731734...

result:

ok 100000 tokens

Test #9:

score: 0
Accepted
time: 2698ms
memory: 3744kb

input:

100000
1401 1
1401 2
1401 3
1401 4
1401 5
1401 6
1401 7
1401 8
1401 9
1401 10
1401 11
1401 12
1401 13
1401 14
1401 15
1401 16
1401 17
1401 18
1401 19
1401 20
1401 21
1401 22
1401 23
1401 24
1401 25
1401 26
1401 27
1401 28
1401 29
1401 30
1401 31
1401 32
1401 33
1401 34
1401 35
1401 36
1401 37
1401 3...

output:

982101
982102
982104
982109
982116
982128
982143
982165
982191
982226
982266
982317
982374
982444
982521
982613
982713
982830
982956
983101
983256
983432
983619
983829
984051
984298
984558
984845
985146
985476
985821
986197
986589
987014
987456
987933
988428
988960
989511
990101
990711
991362
992034...

result:

ok 100000 tokens

Test #10:

score: -100
Time Limit Exceeded

input:

100000
1601 1
1601 2
1601 3
1601 4
1601 5
1601 6
1601 7
1601 8
1601 9
1601 10
1601 11
1601 12
1601 13
1601 14
1601 15
1601 16
1601 17
1601 18
1601 19
1601 20
1601 21
1601 22
1601 23
1601 24
1601 25
1601 26
1601 27
1601 28
1601 29
1601 30
1601 31
1601 32
1601 33
1601 34
1601 35
1601 36
1601 37
1601 3...

output:

1282401
1282402
1282404
1282409
1282416
1282428
1282443
1282465
1282491
1282526
1282566
1282617
1282674
1282744
1282821
1282913
1283013
1283130
1283256
1283401
1283556
1283732
1283919
1284129
1284351
1284598
1284858
1285145
1285446
1285776
1286121
1286497
1286889
1287314
1287756
1288233
1288728
1289...

result: