编号 题目 状态 分数 总时间 内存 代码 / 答案文件 提交者 提交时间
#31190 #1162. 异或 Time Limit Exceeded 50 10188 ms 16764 K C++ 17 / 1.1 K 软件82-王成昊 2020-07-04 1:03:47
显示原始代码
#include <bits/stdc++.h>
using namespace std;
int a[300005], b[300005];
map<int, int> mm;
struct query {
    int l, r, lw, rw, id;
    int ans;
} q[300005];
bool cmp(query x, query y) { return (x.lw != y.lw) ? (x.lw < y.lw) : (x.rw < y.rw); }
bool cmpp(query x, query y) { return x.id < y.id; }
int main() {
    //	freopen("xor1.in","r",stdin);
    //	freopen("xor1.out","w",stdout);
    int n, m;
    scanf("%d", &n);
    int base = sqrt(n);
    for (int i = 1; i <= n; ++i) scanf("%d", &a[i]), b[i] = b[i - 1] ^ a[i];
    scanf("%d", &m);
    for (int i = 1; i <= m; ++i) {
        scanf("%d%d", &q[i].l, &q[i].r);
        q[i].lw = q[i].l / base;
        q[i].rw = q[i].r / base;
        q[i].id = i;
    }
    sort(q + 1, q + 1 + m, cmp);
    int l = 1, r = 0;
    long long now = 0;
    for (int i = 1; i <= m; ++i) {
        while (r < q[i].r) {
            ++r;
            ++mm[a[r]];
            if (mm[a[r]] == 1)
                now ^= a[r];
        }
        while (l > q[i].l) {
            --l;
            ++mm[a[l]];
            if (mm[a[l]] == 1)
                now ^= a[l];
        }
        while (r > q[i].r) {
            --mm[a[r]];
            if (!mm[a[r]])
                now ^= a[r];
            --r;
        }
        while (l < q[i].l) {
            --mm[a[l]];
            if (!mm[a[l]])
                now ^= a[l];
            ++l;
        }
        q[i].ans = now ^ b[q[i].r] ^ b[q[i].l - 1];
    }
    sort(q + 1, q + 1 + m, cmpp);
    for (int i = 1; i <= m; ++i) printf("%d\n", q[i].ans);
    return 0;
}
子任务 #1
Time Limit Exceeded
得分:50
测试点 #1
Time Limit Exceeded
得分:0
用时:1004 ms
内存:16764 KiB

输入文件(xor1.in

251838
100 200 300 400 500 600 700 800 900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2
<6166055 bytes omitted>

答案文件(xor1.out

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
<852089 bytes omitted>
测试点 #2
Time Limit Exceeded
得分:0
用时:1012 ms
内存:16584 KiB

输入文件(xor2.in

256041
100 200 300 400 500 600 700 800 900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2
<5984493 bytes omitted>

答案文件(xor2.out

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
<804650 bytes omitted>
测试点 #3
Accepted
得分:100
用时:7 ms
内存:348 KiB

输入文件(xor3.in

907
56 71 13 4 45 57 55 89 12 58 95 99 45 100 42 94 89 94 16 18 55 67 5 68 20 43 51 93 84 92 77 63 
<10826 bytes omitted>

答案文件(xor3.out

113
37
35
10
30
69
105
16
64
123
87
73
4
0
91
1
90
94
2
77
118
12
16
48
123
<3772 bytes omitted>

用户输出

113
37
35
10
30
69
105
16
64
123
87
73
4
0
91
1
90
94
2
77
118
12
16
48
123
69
66
35
48
65
8
48
58
50
79
44
16
60
122
12
4
112
2
<2799 bytes omitted>

系统信息

Exited with return code 0
测试点 #4
Accepted
得分:100
用时:7 ms
内存:356 KiB

输入文件(xor4.in

911
79 65 67 71 96 98 41 89 63 100 54 9 66 92 97 89 64 44 2 38 94 94 37 91 17 26 38 13 87 96 5 75 1
<10954 bytes omitted>

答案文件(xor4.out

5
68
32
111
15
52
104
119
29
42
98
104
33
104
23
13
57
16
41
81
5
109
53
6
7
<3840 bytes omitted>

用户输出

5
68
32
111
15
52
104
119
29
42
98
104
33
104
23
13
57
16
41
81
5
109
53
6
73
15
109
105
104
92
2
53
47
102
66
83
94
91
85
100
1
<2854 bytes omitted>

系统信息

Exited with return code 0
测试点 #5
Accepted
得分:100
用时:5 ms
内存:352 KiB

输入文件(xor5.in

910
96 10 58 93 18 79 68 66 20 19 79 50 22 92 79 6 85 16 57 4 81 43 21 39 74 59 34 84 86 39 24 2 6 
<10840 bytes omitted>

答案文件(xor5.out

105
19
114
5
48
41
33
108
26
10
108
49
87
48
68
38
110
68
52
4
14
13
120
118
<3759 bytes omitted>

用户输出

105
19
114
5
48
41
33
108
26
10
108
49
87
48
68
38
110
68
52
4
14
13
120
118
107
12
35
67
58
76
90
21
58
9
105
87
62
59
41
51
40
<2788 bytes omitted>

系统信息

Exited with return code 0
测试点 #6
Accepted
得分:100
用时:6 ms
内存:348 KiB

输入文件(xor6.in

908
82 94 2 44 73 45 58 30 18 39 80 54 88 81 37 7 99 59 65 93 22 20 35 57 60 37 46 20 59 88 99 41 3
<11278 bytes omitted>

答案文件(xor6.out

0
60
0
91
79
122
121
78
115
41
103
2
31
59
96
114
23
98
62
45
50
62
122
78
9
<3988 bytes omitted>

用户输出

0
60
0
91
79
122
121
78
115
41
103
2
31
59
96
114
23
98
62
45
50
62
122
78
95
96
121
81
61
92
68
111
104
123
119
75
10
104
65
40
<2963 bytes omitted>

系统信息

Exited with return code 0
测试点 #7
Accepted
得分:100
用时:6 ms
内存:388 KiB

输入文件(xor7.in

978
41 67 43 65 96 23 3 53 34 78 87 67 31 52 74 3 16 45 10 85 96 46 36 0 41 26 85 62 29 0 98 91 47 
<10961 bytes omitted>

答案文件(xor7.out

17
80
84
85
54
79
62
124
53
92
84
70
82
98
69
19
39
94
39
117
34
121
89
79
5
<3753 bytes omitted>

用户输出

17
80
84
85
54
79
62
124
53
92
84
70
82
98
69
19
39
94
39
117
34
121
89
79
52
0
59
59
113
99
82
39
82
57
111
84
14
86
93
55
90
6
<2789 bytes omitted>

系统信息

Exited with return code 0
测试点 #8
Accepted
得分:100
用时:6 ms
内存:424 KiB

输入文件(xor8.in

962
299718210 299718210 0 39962428 59943642 559473992 219793354 939117058 159849712 999060700 97907
<17226 bytes omitted>

答案文件(xor8.out

746812074
909717596
495511252
55402154
812639012
0
919969834
79389020
742767238
787403722

<9685 bytes omitted>

用户输出

746812074
909717596
495511252
55402154
812639012
0
919969834
79389020
742767238
787403722
945520388
1068797380
233603052
4395848
<8754 bytes omitted>

系统信息

Exited with return code 0
测试点 #9
Accepted
得分:100
用时:5 ms
内存:396 KiB

输入文件(xor9.in

935
899154630 939117058 939117058 319699424 319699424 639398848 419605494 659380062 279736996 73930
<17186 bytes omitted>

答案文件(xor9.out

934921578
489567608
451179490
711757202
879173416
69610634
818405958
154782278
137133528
31
<9859 bytes omitted>

用户输出

934921578
489567608
451179490
711757202
879173416
69610634
818405958
154782278
137133528
310552354
849410002
851616358
364033954
<8911 bytes omitted>

系统信息

Exited with return code 0
测试点 #10
Accepted
得分:100
用时:6 ms
内存:348 KiB

输入文件(xor10.in

935
379643066 0 699342490 219793354 79924856 299718210 219793354 179830926 99906070 79924856 539492
<17019 bytes omitted>

答案文件(xor10.out

352765180
138762976
649995032
331699740
1003139736
28540058
272635836
693480286
952284874
4
<9684 bytes omitted>

用户输出

352765180
138762976
649995032
331699740
1003139736
28540058
272635836
693480286
952284874
425278884
612072688
593203122
68810111
<8746 bytes omitted>

系统信息

Exited with return code 0
测试点 #11
Accepted
得分:100
用时:6 ms
内存:340 KiB

输入文件(xor11.in

952
599436420 19981214 839210988 899154630 859192202 0 99906070 179830926 539492778 359661852 21979
<17213 bytes omitted>

答案文件(xor11.out

103578644
618951634
383099418
248973264
889950206
51673546
58135816
239774568
597982474
168
<9751 bytes omitted>

用户输出

103578644
618951634
383099418
248973264
889950206
51673546
58135816
239774568
597982474
168596210
862628576
780260688
956305864

<8816 bytes omitted>

系统信息

Exited with return code 0
测试点 #12
Accepted
得分:100
用时:5 ms
内存:384 KiB

输入文件(xor12.in

962
59943642 239774568 159849712 379643066 119887284 239774568 559473992 379643066 19981214 6393988
<17270 bytes omitted>

答案文件(xor12.out

816843836
2171850
710812428
500992326
93317780
619242180
742511584
592153734
211465332
1070
<9659 bytes omitted>

用户输出

816843836
2171850
710812428
500992326
93317780
619242180
742511584
592153734
211465332
1070226742
862396096
788304070
455981652

<8726 bytes omitted>

系统信息

Exited with return code 0
测试点 #13
Time Limit Exceeded
得分:0
用时:1014 ms
内存:8956 KiB

输入文件(xor13.in

293327
0 1 0 1 1 0 0 1 1 1 1 0 1 1 1 0 0 1 1 1 1 0 0 0 0 1 1 0 0 1 1 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 
<4452780 bytes omitted>

答案文件(xor13.out

1
0
1
0
1
0
1
0
0
0
1
0
0
1
1
0
1
1
0
1
1
0
1
0
1
0
1
0
0
1
0
1
1
0
<814433 bytes omitted>
测试点 #14
Time Limit Exceeded
得分:0
用时:1013 ms
内存:8896 KiB

输入文件(xor14.in

268065
0 0 1 1 0 0 1 0 1 1 0 1 0 0 0 1 0 1 0 0 0 1 0 1 0 1 0 0 1 0 0 0 0 1 0 1 1 0 1 0 0 0 0 0 0 0 
<4495021 bytes omitted>

答案文件(xor14.out

1
0
0
1
0
0
0
0
1
1
1
0
0
0
0
1
0
0
1
1
0
1
1
1
1
0
0
0
1
0
1
1
1
0
<838052 bytes omitted>
测试点 #15
Time Limit Exceeded
得分:0
用时:1005 ms
内存:8828 KiB

输入文件(xor15.in

273128
1 0 1 1 0 0 1 1 1 0 1 1 1 1 0 1 0 0 0 0 0 1 0 0 1 0 1 1 1 0 1 0 0 0 1 0 1 1 1 0 0 1 1 0 1 0 
<4438785 bytes omitted>

答案文件(xor15.out

0
1
0
0
0
0
1
1
0
0
0
0
0
1
1
1
1
1
1
0
0
1
0
0
1
1
1
1
1
0
0
0
1
0
<822920 bytes omitted>
测试点 #16
Time Limit Exceeded
得分:0
用时:1010 ms
内存:8148 KiB

输入文件(xor16.in

256076
0 0 0 1 0 1 0 0 0 1 0 0 0 1 1 0 1 1 1 1 1 1 1 0 0 1 1 0 1 1 1 1 1 0 0 0 1 1 1 1 1 0 1 1 1 1 
<4077145 bytes omitted>

答案文件(xor16.out

1
1
1
1
0
0
1
1
0
0
0
1
1
1
0
1
0
0
0
1
1
0
0
0
1
1
0
1
0
1
1
1
1
1
<756695 bytes omitted>
测试点 #17
Time Limit Exceeded
得分:0
用时:1009 ms
内存:9596 KiB

输入文件(xor17.in

286020
1714284 1926072 1256742 1856142 2173824 271728 2259738 1616382 1978020 2221776 1566432 13826
<6399775 bytes omitted>

答案文件(xor17.out

3913446
3562702
1973544
520860
1866136
337592
978922
1314168
3757208
2380906
1135324
3703
<2605049 bytes omitted>
测试点 #18
Time Limit Exceeded
得分:0
用时:1050 ms
内存:9204 KiB

输入文件(xor18.in

293085
1580418 1902096 733266 903096 2211786 699300 763236 721278 2229768 1146852 2149848 2259738 4
<6230057 bytes omitted>

答案文件(xor18.out

3945724
4091218
2106936
3698428
65340
642284
3473038
1346446
3241504
4085906
2386892
3958
<2465891 bytes omitted>
测试点 #19
Time Limit Exceeded
得分:0
用时:1007 ms
内存:8828 KiB

输入文件(xor19.in

289253
2293704 1626372 2283714 1954044 1040958 1056942 2289708 303696 1440558 1228770 2063934 90709
<5964250 bytes omitted>

答案文件(xor19.out

2678284
1217318
1450570
3253324
753876
1842350
1581642
4140122
4050490
1114512
3836554
23
<2321125 bytes omitted>
测试点 #20
Time Limit Exceeded
得分:0
用时:1005 ms
内存:9280 KiB

输入文件(xor20.in

255064
1146852 2093904 1342656 2029968 791208 1110888 1800198 331668 2021976 1730268 1542456 119280
<6096895 bytes omitted>

答案文件(xor20.out

239536
4038706
793690
1566870
4190844
3042696
3755022
469656
3713758
2273578
1261770
3776
<2579881 bytes omitted>