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QOJ

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
#116115#5280. Depot Rearrangementlcjlcj#10 12ms14580kbC++201.7kb2023-06-28 09:54:302024-05-31 14:20:46

Judging History

你现在查看的是最新测评结果

  • [2024-05-31 14:20:46]
  • 评测
  • 测评结果:10
  • 用时:12ms
  • 内存:14580kb
  • [2023-08-10 23:21:45]
  • System Update: QOJ starts to keep a history of the judgings of all the submissions.
  • [2023-06-28 09:54:30]
  • 提交

answer

#include <bits/stdc++.h>

using namespace std;
const int maxn=805; 

int n,m;
int ecnt; 
vector<pair<int,int>> g[maxn+5]; 
vector<int> cnt[maxn+5][maxn+5];
vector<pair<int,int>> ans;
int sta[maxn+5],top;
int cur[maxn+5],vis[maxn+5],flg[maxn*maxn+5],flg2[maxn*maxn+5]; 
void dfs(int u) {
    vis[u]=1; 
    for (int &i=cur[u];i<g[u].size();i++) {
        int v=g[u][i].first,w=g[u][i].second;
        if (w<0) {
            if (flg2[-w]) continue ; 
            flg2[-w]=1; 
        }
        else {
            if (flg[w]) continue ; 
            flg[w]=1; 
        }
        dfs(v); 
        if (w>0) sta[++top]=w; 
    }
}
void makeswap(int u,int v) {
    ans.emplace_back(u,v); 
}

int main() {
    ios::sync_with_stdio(0);
    cin.tie(0);
    cin>>n>>m;
    for (int i=1;i<=n;i++) {
        for (int j=1;j<=m;j++) {
            int t;
            cin>>t;
            int id=(i-1)*m+j; 
            cnt[i][t].emplace_back(id); 
        }
        
        for (int j=1;j<=m;j++) {
            if (cnt[i][j].size()==0) {
                g[i].emplace_back(j+n,--ecnt); 
            } else if (cnt[i][j].size()>=2) {
                for (int k=0;k<cnt[i][j].size()-1;k++) {
                    g[j+n].emplace_back(i,cnt[i][j][k]); 
                }
            }
        }
    }
    int lst=n*m+1; 
    for (int i=n+1;i<=n+m;i++) {
        if (!vis[i]) {
            top=0; 
            dfs(i);
            if (top==1) continue ; 
            makeswap(sta[top],lst);
            for (int j=top;j>=2;j--) makeswap(sta[j-1],sta[j]);
            makeswap(lst,sta[1]);
        }
    }
    cout<<ans.size()<<'\n';
    for (auto [x,y]:ans) cout<<x<<' '<<y<<'\n'; 
    return 0; 
}

详细

Test #1:

score: 0
Wrong Answer
time: 0ms
memory: 3716kb

input:

10 3
1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3


output:

6
0 31
31 0
0 31
31 0
0 31
31 0

result:

wrong answer first subtask is incorrect

Test #2:

score: 5
Accepted
time: 1ms
memory: 3632kb

input:

5 4
1 1 1 1 1 2 2 2 2 2 3 3 3 3 3 4 4 4 4 4


output:

13
1 21
6 1
11 6
2 11
13 2
3 13
17 3
7 17
18 7
14 18
9 14
19 9
21 19

result:

ok both subtasks are correct!

Test #3:

score: 5
Accepted
time: 1ms
memory: 3724kb

input:

10 10
8 10 10 3 7 3 5 6 1 4 3 8 2 9 1 8 4 2 7 3 10 7 9 2 1 10 10 9 1 2 9 7 4 5 2 9 10 5 7 6 6 8 6 8 4 2 9 1 2 8 6 1 4 2 2 1 5 6 3 10 10 7 9 4 8 9 8 2 5 6 4 3 1 6 3 3 10 7 7 5 3 6 8 5 9 4 6 7 9 4 10 5 3 4 5 1 1 7 8 5


output:

32
25 101
4 25
13 4
34 13
52 34
32 52
11 32
41 11
72 41
24 72
86 24
96 86
46 96
92 46
51 92
12 51
2 12
23 2
95 23
31 95
42 31
78 42
44 78
21 44
82 21
54 82
63 54
75 63
85 75
26 85
65 26
101 65

result:

ok both subtasks are correct!

Test #4:

score: 0
Wrong Answer
time: 2ms
memory: 4196kb

input:

100 10
1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 9 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10...

output:

21
451 1001
183 451
733 183
711 733
811 711
202 811
825 202
172 825
772 172
665 772
844 665
812 844
352 812
942 352
101 942
1001 101
746 1001
706 746
1001 706
0 1001
1001 706

result:

wrong answer first subtask is incorrect

Test #5:

score: 0
Wrong Answer
time: 0ms
memory: 5732kb

input:

200 100
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 ...

output:

223
16301 20001
12708 16301
6329 12708
12729 6329
7922 12729
13422 7922
19312 13422
13412 19312
11608 13412
18908 11608
16308 18908
2001 16308
16801 2001
11030 16801
3430 11030
15424 3430
3179 15424
1855 3179
3155 1855
1879 3155
7549 1879
1849 7549
3424 1849
16130 3424
16830 16130
7804 16830
404 780...

result:

wrong answer first subtask is incorrect

Test #6:

score: 0
Runtime Error

input:

201 20
20 18 5 5 1 7 8 17 12 10 20 12 13 19 16 2 9 8 20 20 19 10 17 20 9 11 15 17 9 2 3 4 17 10 7 20 7 19 17 11 20 2 1 13 11 9 11 6 10 8 11 3 2 16 9 15 16 12 13 6 5 13 4 13 3 8 20 18 10 3 14 1 11 20 17 17 2 11 20 1 4 10 3 3 9 13 7 10 19 16 14 16 9 19 14 15 12 9 20 12 2 19 18 2 7 7 2 12 10 8 20 18 16...

output:


result:


Test #7:

score: 0
Wrong Answer
time: 0ms
memory: 10140kb

input:

300 300
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 ...

output:

515
0 90001
90001 0
73502 90001
26249 73502
16718 26249
17416 16718
80416 17416
65716 80416
58284 65716
3130 58284
77830 3130
20226 77830
21726 20226
65784 21726
16516 65784
30072 16516
15407 30072
49635 15407
15435 49635
5789 15435
16204 5789
22204 16204
80115 22204
22215 80115
88504 22215
19866 88...

result:

wrong answer first subtask is incorrect

Test #8:

score: 0
Runtime Error

input:

301 40
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1...

output:


result:


Test #9:

score: 0
Runtime Error

input:

400 100
11 65 1 79 15 18 79 46 9 30 71 53 58 55 94 73 39 16 6 91 49 30 23 30 28 81 90 48 97 54 79 30 94 18 42 77 44 36 5 48 55 97 79 36 41 59 79 71 32 59 3 10 63 52 44 41 9 46 31 31 56 87 60 80 12 51 15 78 41 65 95 34 29 83 46 64 37 53 98 17 41 45 36 73 20 53 48 80 57 54 57 72 39 56 98 6 10 78 11 72...

output:


result:


Test #10:

score: 0
Runtime Error

input:

40 160
17 2 3 4 5 6 7 91 9 10 154 12 103 14 15 16 17 25 19 58 21 8 23 24 52 26 27 58 120 105 50 55 104 32 35 36 37 38 45 10 41 42 43 44 45 71 47 48 49 34 140 52 53 54 115 44 28 58 59 60 61 62 63 64 132 66 67 68 69 70 71 69 24 74 75 76 77 133 79 80 81 82 100 84 31 86 87 88 100 90 91 92 93 94 95 96 97...

output:


result:


Test #11:

score: 0
Runtime Error

input:

400 100
88 82 9 2 90 1 83 32 32 79 8 79 63 67 85 82 50 63 69 2 7 91 21 90 69 3 39 78 66 83 96 53 24 65 56 63 90 54 35 55 94 22 76 12 54 55 5 49 91 73 8 19 64 54 39 23 13 27 34 4 81 52 13 11 36 45 3 50 82 81 42 50 75 15 99 70 29 26 70 66 34 15 42 83 16 19 19 12 76 1 68 49 7 17 64 37 98 34 99 37 34 64...

output:


result:


Test #12:

score: 0
Runtime Error

input:

301 20
8 1 1 1 1 1 1 17 1 9 1 5 1 1 1 1 13 1 9 1 18 1 1 16 1 15 5 19 1 8 11 10 1 1 1 1 18 4 1 1 1 1 16 1 1 1 12 10 1 1 1 14 11 13 1 1 1 1 1 1 10 1 1 1 1 1 1 19 14 1 1 1 5 1 1 1 1 13 1 18 1 1 4 1 1 1 1 1 1 1 1 1 1 16 16 10 1 14 18 1 1 1 7 1 1 1 1 6 9 1 13 1 1 1 2 1 1 1 1 1 1 10 1 1 1 17 1 10 10 1 12 ...

output:


result:


Test #13:

score: 0
Runtime Error

input:

300 300
215 159 263 206 201 183 286 56 142 10 231 214 34 54 263 250 169 208 239 148 104 22 244 17 74 68 184 52 2 30 42 83 222 106 25 152 37 225 213 213 69 273 91 221 207 48 166 28 221 50 46 64 10 254 207 109 206 144 270 291 195 197 253 235 141 186 102 68 52 24 38 6 181 44 256 200 77 233 285 163 223 ...

output:


result:


Test #14:

score: 0
Runtime Error

input:

201 400
1 1 1 1 1 152 1 1 1 1 1 1 1 33 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 300 154 1 1 147 1 1 1 383 186 1 1 90 256 1 1 1 1 1 1 1 63 1 1 1 1 208 1 1 1 1 31 1 1 1 1 1 1 1 127 1 1 29 216 397 393 1 1 1 1 1 1 279 1 1 1 1 55 1 1 215 249 1 1 1 1 1 1 172 1 1 1 1 1 1 1 1 1 1 1 1 349 1 331 1 1 1 1 1 1 1 34...

output:


result:


Test #15:

score: 0
Wrong Answer
time: 12ms
memory: 14580kb

input:

400 400
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 ...

output:

703
158401 160001
25065 158401
36562 25065
150411 36562
36411 150411
16162 36411
20427 16162
16027 20427
139791 16027
110991 139791
75791 110991
24991 75791
16253 24991
113853 16253
8903 113853
24903 8903
88529 24903
39207 88529
70407 39207
58929 70407
21729 58929
62529 21729
19729 62529
71712 19729...

result:

wrong answer first subtask is incorrect

Test #16:

score: 0
Runtime Error

input:

301 200
50 129 146 60 183 51 47 77 26 73 1 45 1 44 149 1 81 196 17 16 163 35 159 71 1 94 161 138 138 27 76 1 102 42 5 186 176 1 111 198 37 63 81 155 95 164 132 135 155 194 126 98 31 34 121 19 175 148 33 105 25 122 91 165 1 69 1 197 12 98 1 155 5 53 42 1 60 98 78 61 155 13 1 171 102 152 95 61 87 200 ...

output:


result:


Test #17:

score: 0
Runtime Error

input:

201 400
1 1 1 1 1 1 1 1 1 1 1 1 1 263 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 246 1 1 1 1 1 1 1 1 1 1 1 1 1 1 107 1 1 1 1 1 1 1 1 57 1 1 1 1 1 1 1 224 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 90 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...

output:


result:


Test #18:

score: 0
Runtime Error

input:

400 300
75 26 289 176 131 196 124 8 230 157 247 265 13 2 210 141 17 200 187 83 21 22 118 144 232 26 284 75 48 30 132 32 65 34 72 36 73 286 164 40 41 261 65 270 221 12 139 48 49 143 91 39 17 258 275 56 151 194 282 55 228 266 296 64 22 232 67 142 69 152 10 102 109 45 75 49 283 112 78 283 81 236 169 22...

output:


result:


Test #19:

score: 0
Runtime Error

input:

333 399
1 1 1 1 1 1 1 28 1 1 1 1 1 1 161 1 17 1 1 1 1 262 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 43 1 1 1 1 1 70 1 1 1 142 1 1 1 1 1 1 1 1 1 1 1 1 70 1 1 1 1 1 1 278 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 245 1 1 1 1 1 1 33 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 106 1 1 1 1 268 1 1 1 172 1 1 1 1 1 312 1 286 1 1 1 1 ...

output:


result:


Test #20:

score: 0
Runtime Error

input:

400 400
100 35 353 385 317 228 7 148 113 165 11 306 209 89 21 166 17 2 19 249 27 305 377 22 3 353 38 28 29 96 191 32 33 309 35 308 100 176 152 40 176 42 43 86 45 46 96 48 396 381 218 246 53 54 334 159 243 360 294 60 33 62 185 64 65 66 191 121 351 107 10 343 367 74 75 201 77 247 79 134 304 92 42 126 ...

output:


result: