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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 |
---|---|---|---|---|---|---|---|---|---|
#741952 | #5173. 染色 | tuxuanming2024 | 0 | 638ms | 82772kb | C++14 | 823b | 2024-11-13 15:32:05 | 2024-11-13 15:32:08 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int N=1e6+5,INF=0x3f3f3f3f;
int n,q,lst[N],f[21][N];
int main()
{
#ifdef LOCAL
freopen("1.in","r",stdin);
freopen("1.out","w",stdout);
freopen("1.err","w",stderr);
#endif
ios::sync_with_stdio(0),cin.tie(0);
cin>>n>>q;
int mx=0;
for(int i=1;i<=n;i++) f[0][i]=INF;
for(int i=1,a;i<=n;i++)
{
cin>>a;
if(lst[a]>mx) f[0][lst[a]]=i-1,mx=lst[a];
lst[a]=i;
}
for(int i=n-1;i>=1;i--) f[0][i]=min(f[0][i],f[0][i+1]);
for(int j=1;1<<j<=n;j++)
for(int i=1;i<=n;i++)
f[j][i]=f[j-1][i]==INF?INF:f[j-1][f[j-1][i]+1];
int l,r;
while(q--)
{
cin>>l>>r; int ans=0;
if(l>r) swap(l,r);
int x=l;
for(int i=__lg(n);i>=0;i--) if(f[i][x]<r) x=f[i][x],ans|=1<<i;
cout<<2*(r-l)-ans<<"\n";
}
return 0;
}
详细
Subtask #1:
score: 0
Wrong Answer
Test #1:
score: 0
Wrong Answer
time: 0ms
memory: 32380kb
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:
3667 4575 5976 8382 729 7013 183 7320 492 1140 253 2249 13225 6254 456 7505 2162 10480 1790 2675 4801 292 5997 625 6654 6179 11412 2712 3157 7836 17782 511 5484 17833 9564 6147 4995 14577 669 461 15613 12668 8872 7833 10987 6603 6399 5022 9102 8527 2172 10298 2693 12537 4957 2144 8808 1907 6475 2828...
result:
wrong answer 1st words differ - expected: '3668', found: '3667'
Subtask #2:
score: 0
Wrong Answer
Test #7:
score: 0
Wrong Answer
time: 51ms
memory: 45000kb
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:
113189 133092 54915 6478 9191 78287 93917 29191 38937 111582 66611 7224 66013 42770 44633 49269 11095 107717 71674 10703 4729 87155 46856 75800 27263 10947 12234 59509 18640 55101 11623 7846 5517 38723 67271 58321 16933 70127 70333 53669 51861 548 18477 119879 4011 43291 62510 33969 9865 24977 33217...
result:
wrong answer 1st words differ - expected: '113194', found: '113189'
Subtask #3:
score: 0
Wrong Answer
Test #15:
score: 0
Wrong Answer
time: 0ms
memory: 28232kb
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 2949 1327 880 5076 7811 4860 935 925 808 7268 7662 5325 3813 3224 4477 1577 2538 40 901 300 4351 3881 3813 5739 4609 1658 437 1415 3623 5257 565 119 2044 7615 9111 2047 3121 3683 2883 420 727 4006 179 3231 1443 1601 7127 3008 5953 8083 1539 3807 363 4476 3300 1740 818 2...
result:
wrong answer 7th words differ - expected: '2950', found: '2949'
Subtask #4:
score: 0
Wrong Answer
Test #23:
score: 0
Wrong Answer
time: 638ms
memory: 82772kb
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 160350 576908 988222 1716103 1345117 215185 615960 546263 1385910 320710 1094276 52291 276158 227555 2476 147750 144805 667128 25418 223778 184324 1445226 1666310 547639 146406 969316 1106498 237554 817297 112491 84810 1188701 316694 717959 169528 559867 767792 412202 732...
result:
wrong answer 9th words differ - expected: '1345118', found: '1345117'