QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #116114 | #5280. Depot Rearrangement | lcjlcj# | 10 | 1ms | 5652kb | C++20 | 1.7kb | 2023-06-28 09:53:34 | 2024-05-31 14:20:46 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
const int maxn=405;
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;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 0
Wrong Answer
time: 1ms
memory: 3688kb
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: 3676kb
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: 3688kb
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: 1ms
memory: 4128kb
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: 5652kb
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
Runtime Error
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:
result:
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
Runtime Error
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:
result:
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 ...