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 |
|---|---|---|---|---|---|---|---|---|---|
| #87001 | #4830. Transfer of Duty | xixike | 0 | 395ms | 53560kb | C++14 | 873b | 2023-03-11 15:56:46 | 2023-03-11 15:56:50 |
Judging History
answer
#include <bits/stdc++.h>
#define ull unsigned long long
using namespace std;
const int N = 1e6 + 10;
int seed;
string s;
int n, m;
ull hs[N], now;
unordered_map <ull, int> mp;
inline void solve(ull now){
mt19937 rnd(seed);
n = 1e6; ull sum = 0;
for(int i = 1; i < n; ++i) hs[i] = rnd(), mp[hs[i]] = i, sum ^= hs[i];
hs[n] = sum, mp[sum] = n;
cin >> m;
// cout << "??? " << sum << endl;
sum = now;
for(int i = 1; i <= m; ++i){
int x; cin >> x;
sum ^= hs[x];
if(!sum) cout << "0\n";
else if(mp.count(sum)) cout << mp[sum] << '\n';
else cout << "-1\n";
}
if(now == 0) cout << seed << " " << sum << '\n';
}
signed main(){
cin >> s;
if(s == "start") return seed = 20060707, solve(0), 0;
else return cin >> seed >> now, solve(now), 0;
}
//3851686081
/*
resume
20060707 3986479849
6
14
277
12
10
277
12
*/
详细
Test #1:
score: 100
Accepted
time: 341ms
memory: 53536kb
input:
start 5 10 14 10 12 10
output:
10 -1 14 -1 -1 20060707 3986479849
input:
resume 20060707 3986479849 6 14 277 12 10 277 12
output:
-1 -1 -1 277 0 12
result:
ok
Test #2:
score: 100
Accepted
time: 351ms
memory: 53560kb
input:
start 1 1
output:
1 20060707 2550767503
input:
resume 20060707 2550767503 1 1
output:
0
result:
ok
Test #3:
score: 100
Accepted
time: 387ms
memory: 53308kb
input:
start 1 1000000
output:
1000000 20060707 2528353153
input:
resume 20060707 2528353153 2 1 1000000
output:
-1 1
result:
ok
Test #4:
score: 100
Accepted
time: 388ms
memory: 53528kb
input:
start 2 1 1
output:
1 0 20060707 0
input:
resume 20060707 0 2 1000000 1000000
output:
1000000 0 20060707 0
result:
ok
Test #5:
score: 100
Accepted
time: 380ms
memory: 53500kb
input:
start 3 1 2 3
output:
1 -1 -1 20060707 1277712460
input:
resume 20060707 1277712460 2 4 5
output:
-1 -1
result:
ok
Test #6:
score: 100
Accepted
time: 367ms
memory: 53412kb
input:
start 5 483440 800458 959493 679027 187008
output:
483440 -1 -1 -1 -1 20060707 3052275818
input:
resume 20060707 3052275818 8 312653 808184 244728 372836 64144 525068 795548 379152
output:
-1 -1 -1 -1 -1 -1 -1 -1
result:
ok
Test #7:
score: 100
Accepted
time: 395ms
memory: 53456kb
input:
start 68 901287 581649 963302 839936 728540 414441 916931 567596 695928 364562 839701 726560 34000 85414 129234 413159 976576 799600 479209 808330 182632 685443 41419 207533 762418 206283 144088 679114 945142 919478 220106 992468 483248 197576 129732 123083 987094 712824 650777 907335 206313 958433 ...
output:
901287 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 20060707 1492880639
input:
resume 20060707 1492880639 68 632048 873503 23659 234350 352724 63249 395634 638205 597162 368489 973286 290734 735407 636099 145516 176166 262275 936624 302002 344028 227364 297307 645242 206861 471059 139081 861346 172592 637220 698174 593758 561280 324011 489640 497542 657953 82088 553578 102675 ...
output:
-1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1
result:
ok
Test #8:
score: 100
Accepted
time: 369ms
memory: 53456kb
input:
start 520 569396 440938 116732 473751 47601 877390 277114 259139 437475 193896 992342 402838 838349 33699 536576 163847 117713 927965 598864 939506 517156 87428 943725 624835 515205 108250 468405 990560 512040 343417 101050 944099 177534 73824 476709 772630 489775 929453 216227 822538 552185 208923 ...
output:
569396 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1...
input:
resume 20060707 3395658045 700 707366 267047 407693 725807 896458 649723 322966 13478 797908 8465 563163 798321 831358 235782 473564 19913 929601 720398 521831 221253 936397 987947 63596 47475 259147 560605 188477 743888 948782 654739 934236 341826 67525 197899 989556 144568 618026 850867 550036 482...
output:
-1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 ...
result:
ok
Test #9:
score: 0
Wrong Answer on the first run
input:
start 8443 729060 666260 185101 382196 371654 40175 191745 696848 627288 695514 463530 357409 465277 741772 43361 979762 952428 178423 841409 405526 498821 973165 335585 375002 113423 365239 404592 237309 573524 962229 36036 696295 373438 251803 891072 633659 62534 157262 573215 610136 499209 762268...
output:
729060 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1...
input:
output:
result:
wrong answer wrong answer on the first run, query 8153: read 102698 but expected -1