QOJ.ac
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 |
---|---|---|---|---|---|---|---|---|---|
#351234 | #5173. 染色 | zzafanti | 0 | 829ms | 120540kb | C++23 | 1.1kb | 2024-03-11 19:02:26 | 2024-03-11 19:02:26 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
using E=long long;
int main(){
#ifdef zzafanti
freopen("in.in","r",stdin);
#endif // zzafanti
cin.tie(nullptr),cout.tie(nullptr)->sync_with_stdio(false);
int n,Q;
cin>>n>>Q;
vector<int> a(n+1),nxt(n+1),lst(n+1,n+1);
unordered_set<int> st;
for(int i=1; i<=n; i++){
cin>>a[i];
st.insert(a[i]);
}
int K=(int)(__lg(n))-4; K=max(K,2);
if(st.size()<=3u) K+=4;
vector<vector<int>> fa(n+2,vector<int>(K));
vector<int> dep(n+2);
for(int i=0; i<K; i++) fa[n+1][i]=n+1;
int now=n;
dep[n+1]=0;
for(int i=n; i; i--){
nxt[i]=lst[a[i]];
if(nxt[i]<nxt[now]){
now=i;
}
lst[a[i]]=i;
fa[i][0]=nxt[now];
dep[i]=dep[fa[i][0]]+1;
}
for(int j=1; j<K; j++){
for(int i=1; i<=n; i++){
fa[i][j]=fa[fa[i][j-1]][j-1];
}
}
while(Q--){
int l,r;
cin>>l>>r;
if(l>r) swap(l,r);
int ans=2*(r-l);
for(int i=K-1; ~i; i--){
if(fa[l][i]<=r){
l=fa[l][i];
ans-=(1<<i);
}
}
cout<<ans<<'\n';
}
return 0;
}
详细
Subtask #1:
score: 0
Wrong Answer
Test #1:
score: 0
Wrong Answer
time: 2ms
memory: 4232kb
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:
3668 4575 5976 8382 729 7013 183 7320 492 1140 253 2249 13281 6254 456 7507 2162 10481 1791 2675 4801 293 5997 627 6654 6179 11414 2712 3157 7836 18031 511 5486 18087 9564 6147 4996 14697 670 463 15775 12705 8872 7833 10987 6603 6399 5023 9102 8529 2173 10299 2694 12571 4958 2144 8809 1907 6476 2828...
result:
wrong answer 13th words differ - expected: '13226', found: '13281'
Subtask #2:
score: 0
Wrong Answer
Test #7:
score: 13
Accepted
time: 75ms
memory: 14920kb
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:
113194 133099 54921 6483 9199 78290 93920 29192 38941 111588 66619 7226 66019 42776 44640 49274 11102 107722 71676 10708 4735 87161 46860 75805 27270 10951 12237 59513 18641 55105 11626 7850 5521 38727 67276 58326 16941 70130 70341 53673 51864 551 18481 119885 4016 43296 62515 33972 9870 24982 33222...
result:
ok 100000 tokens
Test #8:
score: 0
Accepted
time: 72ms
memory: 14904kb
input:
100000 100000 2 3 2 2 2 1 2 1 2 1 2 2 3 3 3 2 1 2 1 1 3 3 3 1 3 1 1 1 2 2 1 1 3 3 3 2 2 2 1 3 3 3 3 3 3 2 1 3 2 1 3 3 1 1 1 2 3 1 1 3 3 2 1 1 2 2 2 1 3 1 1 3 2 2 1 2 2 3 2 1 1 1 1 1 1 2 2 3 3 2 1 3 3 2 3 2 1 2 3 3 1 3 1 3 3 1 3 3 1 3 1 1 3 2 3 2 2 2 1 3 2 1 2 1 2 3 3 3 3 3 1 2 2 2 2 1 2 2 3 3 1 2 3 ...
output:
26713 92501 21509 49442 97641 78683 141125 77139 85866 63249 94772 69580 92232 51238 68375 24225 33431 945 69079 81415 89436 46535 15964 5588 93083 42072 99191 79445 79452 91055 38537 37616 422 72269 18476 82679 19235 10612 8002 12362 35849 66190 71653 93753 68380 17858 100447 115325 114262 29272 91...
result:
ok 100000 tokens
Test #9:
score: 0
Accepted
time: 71ms
memory: 14996kb
input:
100000 100000 2 1 1 1 1 1 3 1 3 1 1 1 1 1 3 2 1 1 1 2 3 3 3 3 2 1 2 3 3 2 3 3 2 1 1 1 2 3 2 3 1 1 2 2 2 1 3 3 1 3 3 3 2 2 1 1 1 1 1 3 1 1 2 3 3 3 1 3 3 1 1 1 3 2 3 2 1 1 3 2 2 3 1 2 3 3 2 2 2 2 1 2 3 3 3 1 1 1 3 3 3 2 2 3 1 3 3 3 1 1 1 2 1 3 2 1 1 1 2 2 1 3 2 3 2 1 2 1 1 2 1 3 3 3 1 2 3 3 1 2 3 1 1 ...
output:
80639 35808 47971 6829 13146 13817 26698 27049 645 41874 8900 10110 49884 79227 31064 124997 120224 119988 19203 69267 15180 24295 112608 78787 9713 51263 7039 14760 79569 68042 18132 29324 42684 87131 52903 5361 1980 146285 95921 36987 7182 76523 34491 20411 5262 99211 5426 115946 70902 61447 17419...
result:
ok 100000 tokens
Test #10:
score: 0
Accepted
time: 68ms
memory: 15000kb
input:
100000 100000 1 1 3 1 3 2 1 1 2 2 1 2 1 2 2 1 3 3 3 1 3 1 3 2 2 1 3 3 3 1 1 3 3 1 3 2 1 2 2 3 1 1 2 1 2 1 1 2 2 1 2 1 1 2 1 3 3 3 1 3 3 3 2 3 1 2 2 3 2 1 3 2 3 2 1 2 1 2 3 1 2 1 1 1 2 1 1 3 1 1 2 2 1 1 2 1 3 3 2 2 1 1 2 2 3 2 3 1 1 2 2 3 3 1 1 2 1 1 2 3 2 3 2 3 3 3 2 3 1 3 2 2 3 2 3 2 2 1 3 3 1 2 1 ...
output:
38914 124419 25224 129215 32037 25575 62618 95520 22272 59239 29749 68889 103029 33972 4568 74859 114913 100546 51067 49206 49109 51661 41339 9719 64962 11110 16135 87092 65934 104569 61632 47720 14030 33785 20259 34555 69260 77538 8434 13773 58838 30772 30535 107145 4075 30415 88009 44581 24535 557...
result:
ok 100000 tokens
Test #11:
score: 0
Accepted
time: 61ms
memory: 14892kb
input:
100000 100000 2 2 2 3 2 1 1 3 2 3 1 1 3 1 1 2 2 1 2 3 3 3 1 3 1 3 3 1 1 2 1 2 3 2 1 2 2 2 3 2 3 1 3 3 3 2 2 2 1 3 3 1 2 1 3 1 2 2 2 1 2 1 3 3 2 1 3 2 1 2 2 1 3 3 2 2 2 1 2 2 2 2 2 1 2 3 3 3 3 1 1 1 2 1 2 2 1 3 1 1 2 1 1 2 3 2 3 2 3 2 3 1 3 3 2 1 3 1 3 2 3 1 3 1 1 3 1 1 1 1 3 1 3 1 1 1 1 3 1 2 1 1 3 ...
output:
30863 18 28518 72686 68011 26355 45471 35775 65310 90667 88521 55374 31885 17730 81081 30936 26897 57441 72204 23430 10024 26381 25825 44964 61567 107852 44692 63770 28209 44337 8455 6079 55198 40525 51253 59429 4115 59772 25858 18511 36125 78750 97180 76379 15614 41214 98595 94157 24511 87049 2599 ...
result:
ok 100000 tokens
Test #12:
score: -13
Wrong Answer
time: 71ms
memory: 14940kb
input:
100000 100000 2 1 2 1 2 2 2 1 2 1 1 2 2 2 2 1 2 1 1 2 1 1 1 2 1 1 2 1 1 2 1 1 2 1 1 1 2 1 1 1 2 1 2 2 2 1 1 1 2 2 2 2 2 2 1 1 1 2 1 2 2 2 1 2 2 1 1 2 1 1 1 2 2 2 1 2 1 2 1 1 1 1 1 2 1 2 1 1 2 2 2 1 1 1 2 1 2 2 2 2 1 1 2 1 2 1 2 2 1 2 2 2 1 1 2 1 1 2 1 2 1 2 1 1 1 1 1 2 1 2 2 2 2 2 2 1 1 2 2 1 1 2 2 ...
output:
126674 35064 19688 42938 32923 73478 59317 35848 61596 99358 38767 18343 8304 23853 24418 4306 80731 60167 34465 70750 19821 8126 78318 77946 42808 2449 114187 26181 86118 30068 48364 71942 42548 42121 127256 69352 33720 57717 23546 4565 78495 27559 89685 25719 53280 16094 7529 38295 69744 15071 101...
result:
wrong answer 4141st words differ - expected: '131410', found: '131517'
Subtask #3:
score: 0
Wrong Answer
Test #15:
score: 18
Accepted
time: 0ms
memory: 3692kb
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 4478 1577 2540 40 901 300 4351 3882 3813 5739 4610 1658 437 1416 3623 5257 565 119 2044 7615 9112 2047 3121 3683 2883 420 727 4006 179 3231 1443 1602 7127 3008 5954 8083 1539 3807 363 4476 3300 1741 818 2...
result:
ok 5000 tokens
Test #16:
score: 0
Accepted
time: 2ms
memory: 3748kb
input:
5000 5000 180 296 137 108 236 226 19 135 16 42 151 140 223 244 115 170 230 207 143 65 195 219 77 119 170 197 223 65 64 217 206 157 100 52 202 192 19 193 281 229 212 183 63 220 261 66 209 32 63 190 144 221 180 248 29 265 152 141 212 50 129 237 281 270 261 192 104 55 133 12 92 91 61 258 51 172 244 257...
output:
2352 1322 634 560 4251 760 1955 2722 5272 6615 1000 4720 1911 3371 4615 1164 7958 5006 2763 2322 6894 5026 4684 6645 607 5386 1264 7647 2221 651 98 1887 1722 248 954 4149 3969 1388 4170 2436 6737 377 6999 2049 2382 3586 3351 1107 6024 8005 535 1504 4057 438 4064 6837 4173 4865 1903 4334 2962 198 526...
result:
ok 5000 tokens
Test #17:
score: 0
Accepted
time: 2ms
memory: 3808kb
input:
5000 5000 152 143 107 44 171 299 88 120 221 238 145 137 152 30 196 218 31 216 16 39 206 111 212 195 91 45 107 165 132 260 264 57 217 9 223 194 137 59 132 194 286 248 28 95 219 236 144 145 76 69 53 127 91 226 15 277 60 180 114 122 112 96 108 283 55 50 204 123 69 29 136 134 42 283 240 164 33 17 143 10...
output:
4076 2789 375 2375 2365 290 5779 1429 5357 1975 1146 4711 2438 4576 1984 173 4275 1748 1757 3292 538 495 3471 2870 1874 5565 2936 4736 1561 4658 6347 5936 1610 8726 518 3856 1264 2567 91 5371 4139 1415 6416 6198 4353 406 2055 7098 2759 1443 4707 4578 5778 6439 1210 353 2224 6103 4571 2885 4011 2550 ...
result:
ok 5000 tokens
Test #18:
score: -18
Wrong Answer
time: 0ms
memory: 3900kb
input:
5000 5000 7 4 1209 6 3 2 332 4 6 2 657 7 8 5 368 6 3 1 2973 4 1 2 1643 3 8 4 1694 4 7 2 1933 5 5 3 1973 5 3 6 1401 2 8 3 1040 6 4 3 2227 5 4 1 2731 3 4 5 352 5 4 5 2322 8 8 4 232 5 8 1 453 3 4 5 326 5 7 4 697 5 3 2 2147 6 8 8 1152 5 7 7 2473 2 8 1 2891 6 1 1 2272 5 1 6 2213 3 1 3 801 5 5 5 576 7 3 1...
output:
1018 12 2043 270 1610 1021 8575 4271 1210 5633 6567 2061 773 125 836 1197 776 4069 6501 1374 2407 6267 1114 775 1165 3713 3231 3657 358 1922 2773 5851 7779 7733 332 190 1891 465 4803 1433 290 1436 2845 1719 2489 381 3339 4091 5023 4603 2005 3559 6063 482 7197 956 370 4129 7125 730 61 403 2545 6857 4...
result:
wrong answer 3rd words differ - expected: '2042', found: '2043'
Subtask #4:
score: 0
Time Limit Exceeded
Test #23:
score: 66
Accepted
time: 829ms
memory: 120344kb
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 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 767792 412202 732...
result:
ok 1000000 tokens
Test #24:
score: 0
Accepted
time: 813ms
memory: 120540kb
input:
1000000 1000000 527 3920 401 1486 606 3642 1277 2668 2579 2728 4669 3313 730 4241 3197 841 2036 2758 2687 4946 1352 15 3445 1010 2485 2764 2501 1864 4501 3756 3605 3685 543 4866 4450 3713 4592 3814 243 1778 4446 18 3845 4874 726 665 532 345 1419 4381 107 3763 4941 2 280 759 4744 3537 4146 4289 4426 ...
output:
1266412 85167 6797 467075 143942 401875 230600 686422 136253 620827 383202 16007 507791 208181 160399 1625926 143357 1304506 472925 24772 854987 1424226 204580 1217006 632808 872879 94028 64186 1444974 66982 13649 728491 882172 340172 1228584 975111 1172671 745171 885348 894087 1107690 268570 466233...
result:
ok 1000000 tokens
Test #25:
score: 0
Accepted
time: 819ms
memory: 120400kb
input:
1000000 1000000 2924 2207 2863 3688 4354 2178 249 3641 1722 832 2166 2993 4965 1712 467 2985 3155 2499 3697 2198 418 3206 3363 4939 3519 2498 208 2350 1915 883 1304 1289 1176 2940 2528 2265 3205 309 5027 3131 1605 823 2063 1070 1933 1098 3623 3306 3752 1371 2204 3170 3931 773 4029 518 4930 4632 3123...
output:
66552 421925 47840 553007 101473 741226 342901 905017 1128131 262875 916454 1271725 1687005 549894 461128 99677 1076946 1396038 873472 839214 231408 1136724 594832 634884 985318 1069765 157496 353491 1831090 347730 1238853 1340386 433279 1226192 59056 453400 381770 407755 4657 477432 990073 345545 3...
result:
ok 1000000 tokens
Test #26:
score: -66
Time Limit Exceeded
input:
1000000 1000000 5 16 21 17 3 10 7 15 6 9 22 21 23 17 13 6 2 2 23 15 21 14 8 5 14 1 5 12 20 12 18 6 8 13 11 4 19 6 18 10 14 16 16 7 10 2 10 7 17 7 4 16 3 6 5 19 18 12 9 21 3 6 23 20 1 12 14 16 11 4 9 18 23 6 20 21 15 11 19 10 15 17 12 4 16 18 16 6 4 11 18 6 19 3 11 20 19 18 4 12 20 15 18 19 15 23 13 ...
output:
294395 428665 868715 194055 551295 1024311 1006203 774815 1552821 88624 134267 353355 475987 736071 558643 993391 624161 145934 884873 876139 1157373 1441635 40896 80662 113493 159050 1117599 1847461 1414883 81557 652609 53129 288299 413645 887057 634873 1374981 889019 795137 30413 524775 620293 456...