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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#357660#8132. Freshman's Dreamsolar#WA 64ms3572kbC++17402b2024-03-19 07:21:272024-03-19 07:21:28

Judging History

你现在查看的是最新测评结果

  • [2024-03-19 07:21:28]
  • 评测
  • 测评结果:WA
  • 用时:64ms
  • 内存:3572kb
  • [2024-03-19 07:21:27]
  • 提交

answer

#include<bits/stdc++.h>

using namespace std;
using ll = long long;

void solve() {
	ll n;
	cin >> n;

	if (n & 1) {
		cout << -1 << endl;
		return;
	}

	ll x = n / 2, cnt = 0;
	while (x > 0) {
		x >>= 1;
		cnt++;
	}
	ll a = 1 << cnt;
	a -= 1;
	ll b = (2 * a - n) / 2 + 1;

	cout << a << " " << b << endl;
}

signed main() {
	ll t;
	cin >> t;

	while (t--) solve();
}


Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 3568kb

input:

5
2
3
6
10
18

output:

1 1
-1
3 1
7 3
15 7

result:

ok ok

Test #2:

score: 0
Accepted
time: 48ms
memory: 3572kb

input:

100000
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...

output:

1 1
-1
3 2
-1
3 1
-1
7 4
-1
7 3
-1
7 2
-1
7 1
-1
15 8
-1
15 7
-1
15 6
-1
15 5
-1
15 4
-1
15 3
-1
15 2
-1
15 1
-1
31 16
-1
31 15
-1
31 14
-1
31 13
-1
31 12
-1
31 11
-1
31 10
-1
31 9
-1
31 8
-1
31 7
-1
31 6
-1
31 5
-1
31 4
-1
31 3
-1
31 2
-1
31 1
-1
63 32
-1
63 31
-1
63 30
-1
63 29
-1
63 28
-1
63 27
-...

result:

ok ok

Test #3:

score: 0
Accepted
time: 27ms
memory: 3548kb

input:

100000
76316
55087
1035148
480523
322879
607749
440658
434700
941531
657517
247448
953385
569641
592597
188131
769378
397552
94739
487375
142576
407344
532339
798526
521099
294428
414998
415977
646853
941103
21816
299379
1029240
171218
784108
711027
121363
223925
197035
899124
613355
178257
213375
3...

output:

65535 27378
-1
524287 6714
-1
-1
-1
262143 41815
262143 44794
-1
-1
131071 7348
-1
-1
-1
-1
524287 139599
262143 63368
-1
-1
131071 59784
262143 58472
-1
524287 125025
-1
262143 114930
262143 54645
-1
-1
-1
16383 5476
-1
524287 9668
131071 45463
524287 132234
-1
-1
-1
-1
524287 74726
-1
-1
-1
262143...

result:

ok ok

Test #4:

score: -100
Wrong Answer
time: 64ms
memory: 3512kb

input:

100000
279938093875
699023415517
1048269983590
537007992988
908117019805
683806387338
334400705624
484515916103
888494261285
220468538805
253319179778
357268673752
644637898889
919322454545
854350801341
1022830170092
486578580191
750669735889
4206967959
937169662800
852140555915
924210466276
2534095...

output:

-1
-1
127 -524134991667
63 -268503996430
-1
127 -341903193541
63 -167200352748
-1
-1
-1
31 -126659589857
63 -178634336812
-1
-1
-1
127 -511415084918
-1
-1
-1
127 -468584831272
-1
127 -462105233010
31 -126704791267
127 -416552858533
-1
-1
63 -147643868832
127 -346300482239
127 -358814070042
-1
127 -3...

result:

wrong answer Integer parameter [name=b] equals to -524134991667, violates the range [1, 1152921504606846975]