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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#740696#5173. 染色posvii0 504ms106060kbC++14681b2024-11-13 11:09:462024-11-13 11:09:46

Judging History

你现在查看的是最新测评结果

  • [2024-11-13 11:09:46]
  • 评测
  • 测评结果:0
  • 用时:504ms
  • 内存:106060kb
  • [2024-11-13 11:09:46]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
typedef long long LL;
const int MAXN=1e6+5;
int n,q,a[MAXN],las[MAXN],f[MAXN][25];
signed main() {
	#ifndef ONLINE_JUDGE
	freopen(".in","r",stdin);
	freopen(".out","w",stdout);
	#endif
	ios::sync_with_stdio(0),cin.tie(0);
	cin>>n>>q;
	for(int i=1;i<=n;++i) {
		cin>>a[i];
		f[i][0]=max(las[a[i]],f[i-1][0]),las[a[i]]=i;
	}
	for(int j=1;j<=19;++j) {
		for(int i=n;f[i][j-1];--i) {
			f[i][j]=f[f[i][j-1]][j-1];
		}
	}
	while(q--) {
		int l,r;
		cin>>l>>r;
		if(l>r) swap(l,r);
		int ans=(r-l)*2;
		for(int j=19;j>=0;--j) {
			if(f[r][j]>=l) r=f[r][j]-1,ans-=1<<j;
		}
		printf("%d\n",ans);
	}
	return 0;
}

Details

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Subtask #1:

score: 0
Wrong Answer

Test #1:

score: 0
Wrong Answer
time: 2ms
memory: 6860kb

input:

10000 100
84 85 52 2 78 53 20 21 23 76 37 44 18 5 37 8 81 65 46 58 69 1 69 37 53 46 37 35 35 89 1 77 35 6 46 59 89 46 25 55 50 38 61 67 44 23 29 24 46 4 42 15 34 77 20 34 83 79 12 50 69 26 38 14 9 66 80 72 22 26 9 68 35 38 19 84 92 30 83 62 100 71 81 60 7 37 64 50 33 60 86 75 45 78 32 53 3 48 87 60 ...

output:

3669
4575
5976
8382
729
7013
183
7320
492
1140
253
2250
13226
6255
456
7507
2162
10481
1791
2675
4801
293
5997
627
6654
6179
11414
2712
3157
7837
17782
511
5486
17836
9565
6147
4996
14577
670
463
15614
12670
8873
7833
10988
6604
6399
5023
9103
8529
2173
10300
2695
12538
4958
2144
8811
1907
6476
2828...

result:

wrong answer 1st words differ - expected: '3668', found: '3669'

Subtask #2:

score: 0
Wrong Answer

Test #7:

score: 0
Wrong Answer
time: 45ms
memory: 16160kb

input:

100000 100000
3 2 3 3 3 3 2 3 2 1 3 1 1 1 3 2 1 3 1 2 2 1 3 1 2 2 1 1 1 3 2 1 3 3 3 3 1 1 1 2 3 3 2 1 1 1 3 1 3 1 3 2 1 3 2 3 3 2 3 3 2 3 3 3 3 3 2 3 2 3 1 3 3 3 3 3 3 3 1 2 3 3 1 3 1 1 2 2 3 1 1 2 3 2 3 1 3 2 1 3 2 3 2 1 1 3 3 1 3 1 2 2 2 3 2 3 2 3 2 1 1 3 1 3 2 2 3 3 3 1 2 2 3 3 2 1 3 1 2 2 2 3 2 ...

output:

113196
133100
54924
6486
9202
78293
93923
29193
38943
111592
66620
7228
66024
42780
44646
49278
11105
107726
71680
10712
4737
87168
46861
75810
27275
10955
12240
59516
18642
55108
11628
7853
5523
38730
67281
58329
16945
70133
70342
53675
51866
553
18485
119890
4021
43299
62518
33974
9874
24984
33224...

result:

wrong answer 1st words differ - expected: '113194', found: '113196'

Subtask #3:

score: 0
Wrong Answer

Test #15:

score: 0
Wrong Answer
time: 2ms
memory: 7968kb

input:

5000 5000
256 63 197 36 75 66 33 72 27 75 66 248 29 166 209 252 141 95 84 226 147 249 116 94 192 256 199 273 182 166 116 274 27 211 154 144 283 23 53 110 215 11 164 284 161 221 251 96 43 47 18 115 12 51 156 61 116 209 93 98 47 165 174 106 83 67 184 75 12 290 183 197 112 240 67 56 215 148 104 5 141 2...

output:

1322
2696
1743
2611
4759
4995
2950
1327
880
5076
7811
4860
935
925
808
7270
7663
5325
3813
3225
4479
1577
2540
40
901
301
4351
3882
3813
5739
4610
1658
438
1416
3623
5257
565
119
2044
7615
9112
2047
3121
3683
2883
420
727
4006
179
3231
1443
1603
7127
3008
5955
8083
1539
3807
363
4476
3300
1741
818
2...

result:

wrong answer 21st words differ - expected: '4478', found: '4479'

Subtask #4:

score: 0
Wrong Answer

Test #23:

score: 0
Wrong Answer
time: 504ms
memory: 106060kb

input:

1000000 1000000
1105 3246 1880 3554 818 2331 2576 4140 149 4562 3498 3536 3400 4788 4363 4742 1216 4218 4032 1701 1489 4889 1761 3022 3145 4945 3067 4304 5016 4624 1612 13 1335 3613 1086 2210 386 3464 1156 3352 4341 5006 3465 3900 622 654 1826 2983 1250 4164 3335 4308 2995 1982 1347 4335 2535 5054 4...

output:

1263815
308608
760115
79452
160351
576908
988222
1716103
1345118
215185
615960
546263
1385912
320711
1094276
52291
276158
227555
2476
147750
144806
667128
25418
223778
184324
1445226
1666310
547639
146406
969316
1106498
237554
817297
112491
84810
1188701
316694
717959
169528
559867
767793
412202
732...

result:

wrong answer 5th words differ - expected: '160350', found: '160351'