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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#308581#8132. Freshman's Dreamucup-team2112#AC ✓49ms3656kbC++201.6kb2024-01-20 10:45:262024-01-20 10:45:26

Judging History

你现在查看的是最新测评结果

  • [2024-01-20 10:45:26]
  • 评测
  • 测评结果:AC
  • 用时:49ms
  • 内存:3656kb
  • [2024-01-20 10:45:26]
  • 提交

answer

#include <bits/stdc++.h>

using i64 = long long;
int dp[64][2][2];
std::tuple<int, int, int, int> pre[64][2][2];

void solve(){
    memset(dp, 0, sizeof(dp));
    i64 n;
    std::cin >> n;
    dp[0][0][0] = 1;
    for (int i = 0; i < 60; i += 1) {
        int c = n >> i & 1;
        for (int j = 0; j < 2; j += 1) {
            for (int k = 0; k < 2; k += 1) {
                if (!dp[i][j][k]) continue;
                for (int p = 0; p < 2; p += 1) {
                    for (int q = 0; q < 2; q += 1) {
                        if ((p + q + j) % 2 != (p ^ ((c + q + k) % 2))) {
                            continue;
                        }
                        dp[i + 1][(p + q + j) / 2][(c + q + k) / 2] = dp[i][j][k];
                        pre[i + 1][(p + q + j) / 2][(c + q + k) / 2] = {p, q, j, k};
                    }
                }
            }
        }
    }
    if (!dp[60][0][0]) {
        std::cout << -1 << "\n";
        return;
    }
    i64 a = 0, b = 0;
    int cur = 60;
    int j = 0, k = 0;
    while(cur) {
        auto [p, q, jj, kk] = pre[cur][j][k];
        a |= (i64)p << (cur - 1);
        b |= (i64)q << (cur - 1);
        j = jj;
        k = kk;
        cur -= 1;
    }
    std::cout << a << " " << b << "\n";
    // assert((a + b) == (a ^ (b + n)));
    // assert((a < (1ll << 60)) && (b < (1ll << 60)));
}

int main(){
    std::ios::sync_with_stdio(false);
    std::cin.tie(nullptr);
    std::cout.tie(nullptr);
    int T;
    std::cin >> T;
    while(T--) {
        solve();
    }
    return 0;
}

这程序好像有点Bug,我给组数据试试?

詳細信息

Test #1:

score: 100
Accepted
time: 0ms
memory: 3580kb

input:

5
2
3
6
10
18

output:

576460752303423487 576460752303423487
-1
576460752303423487 576460752303423485
576460752303423487 576460752303423483
576460752303423487 576460752303423479

result:

ok ok

Test #2:

score: 0
Accepted
time: 36ms
memory: 3616kb

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:

576460752303423487 576460752303423487
-1
576460752303423487 576460752303423486
-1
576460752303423487 576460752303423485
-1
576460752303423487 576460752303423484
-1
576460752303423487 576460752303423483
-1
576460752303423487 576460752303423482
-1
576460752303423487 576460752303423481
-1
5764607523034...

result:

ok ok

Test #3:

score: 0
Accepted
time: 34ms
memory: 3564kb

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:

576460752303423487 576460752303385330
-1
576460752303423487 576460752302905914
-1
-1
-1
576460752303423487 576460752303203159
576460752303423487 576460752303206138
-1
-1
576460752303423487 576460752303299764
-1
-1
-1
-1
576460752303423487 576460752303038799
576460752303423487 576460752303224712
-1
-...

result:

ok ok

Test #4:

score: 0
Accepted
time: 39ms
memory: 3612kb

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
576460752303423487 576460228168431693
576460752303423487 576460483799426994
-1
576460752303423487 576460410400229819
576460752303423487 576460585103070676
-1
-1
-1
576460752303423487 576460625643833599
576460752303423487 576460573669086612
-1
-1
-1
576460752303423487 576460240888338442
-1
-1
-...

result:

ok ok

Test #5:

score: 0
Accepted
time: 49ms
memory: 3532kb

input:

100000
1040995214518856201
963834979320064344
718413469456747239
720594233881658007
133510227004253867
342816554559204856
24244360004792499
32003367585596768
68757795892900724
211638297745299764
478782413658379896
503496146580989968
288072253164348517
131667719615682949
186429177128265488
6043925869...

output:

-1
576460752303423487 94543262643391316
-1
-1
-1
576460752303423487 405052475023821060
-1
576460752303423487 560459068510625104
576460752303423487 542081854356973126
576460752303423487 470641603430773606
576460752303423487 337069545474233540
576460752303423487 324712679012928504
-1
-1
57646075230342...

result:

ok ok

Test #6:

score: 0
Accepted
time: 1ms
memory: 3656kb

input:

1
1152921504606846975

output:

-1

result:

ok ok

Extra Test:

score: 0
Extra Test Passed