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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 |
---|---|---|---|---|---|---|---|---|---|
#376078 | #6631. Maximum Bitwise OR | Mine_King | TL | 1125ms | 173100kb | C++14 | 2.7kb | 2024-04-03 20:27:01 | 2024-04-03 20:27:01 |
Judging History
answer
// 君の人生は月明かりだ、有りがちだなんて言わせるものか
// Think twice, code once.
#include <cstdio>
#include <string>
#include <cstring>
#include <iostream>
#include <algorithm>
#define eputchar(c) putc(c, stderr)
#define eprintf(...) fprintf(stderr, __VA_ARGS__)
#define eputs(str) fputs(str, stderr), putc('\n', stderr)
using namespace std;
int T, n, q, a[100005], op[100005][30], lst[100005][30];
struct SegmentTree {
#define ls(x) (x * 2)
#define rs(x) (x * 2 + 1)
int w[400005], l[400005], r[400005];
void build(int ll, int rr, int now = 1) {
w[now] = 0;
l[now] = ll, r[now] = rr;
if (ll == rr) return ;
int mid = (ll + rr) / 2;
build(ll, mid, ls(now)), build(mid + 1, rr, rs(now));
return ;
}
void update(int pos, int val, int now = 1) {
if (l[now] == r[now]) {w[now] = val; return ;}
int mid = (l[now] + r[now]) / 2;
if (pos <= mid) update(pos, val, ls(now));
else update(pos, val, rs(now));
w[now] = w[ls(now)] | w[rs(now)];
return ;
}
int query(int ll, int rr, int now = 1) {
if (ll <= l[now] && r[now] <= rr) return w[now];
int mid = (l[now] + r[now]) / 2, res = 0;
if (ll <= mid) res |= query(ll, rr, ls(now));
if (mid < rr) res |= query(ll, rr, rs(now));
return res;
}
#undef ls
#undef rs
} tr[30], all;
int main() {
scanf("%d", &T);
while (T--) {
scanf("%d%d", &n, &q);
all.build(1, n);
for (int i = 0; i < 30; i++) tr[i].build(1, n);
for (int i = 1; i <= n; i++) {
scanf("%d", &a[i]);
all.update(i, a[i]);
memset(op[i], 0, sizeof(op[i]));
memcpy(lst[i], lst[i - 1], sizeof(lst[i]));
for (int j = 0; j < 30 && 1 << j <= a[i]; j++) {
tr[j].update(i, op[i][j] = a[i] ^ (a[i] - (1 << j)));
if (a[i] >> j & 1) lst[i][j] = i;
}
}
while (q--) {
int l, r;
scanf("%d%d", &l, &r);
int orsum = all.query(l, r), res = (1 << (__lg(orsum) + 1)) - 1, ans = 2;
if (orsum == res) {printf("%d 0\n", res); continue;}
for (int i = 0; i < 30; i++)
if (lst[r][i] >= l) {
int p = 0, q = 0;
if (lst[r][i] > l) p = all.query(l, lst[r][i] - 1);
if (lst[r][i] < r) q = all.query(lst[r][i] + 1, r);
for (int j = 0; j < 30; j++)
if ((p | op[lst[r][i]][j] | q) == res) ans = 1;
}
if (ans == 2) {
for (int i = 0; i < 30; i++)
if (lst[r][i] >= l)
for (int j = 0; j < 30; j++)
tr[j].update(lst[r][i], 0);
for (int i = 0; i < 30; i++)
if ((tr[i].query(l, r) | orsum) == res) ans = 1;
for (int i = 0; i < 30; i++)
if (lst[r][i] >= l)
for (int j = 0; j < 30; j++)
tr[j].update(lst[r][i], op[lst[r][i]][j]);
}
printf("%d %d\n", res, ans);
}
}
return 0;
}
詳細信息
Test #1:
score: 100
Accepted
time: 3ms
memory: 149304kb
input:
1 3 2 10 10 5 1 2 1 3
output:
15 2 15 0
result:
ok 4 number(s): "15 2 15 0"
Test #2:
score: 0
Accepted
time: 189ms
memory: 151352kb
input:
100000 1 1 924704060 1 1 1 1 149840457 1 1 1 1 515267304 1 1 1 1 635378394 1 1 1 1 416239424 1 1 1 1 960156404 1 1 1 1 431278082 1 1 1 1 629009153 1 1 1 1 140374311 1 1 1 1 245014761 1 1 1 1 445512399 1 1 1 1 43894730 1 1 1 1 129731646 1 1 1 1 711065534 1 1 1 1 322643984 1 1 1 1 482420443 1 1 1 1 20...
output:
1073741823 2 268435455 2 536870911 2 1073741823 2 536870911 2 1073741823 2 536870911 2 1073741823 2 268435455 2 268435455 2 536870911 2 67108863 2 134217727 2 1073741823 2 536870911 2 536870911 2 268435455 2 536870911 2 536870911 2 536870911 2 268435455 2 268435455 2 1073741823 2 16777215 2 10737418...
result:
ok 200000 numbers
Test #3:
score: 0
Accepted
time: 321ms
memory: 149308kb
input:
50000 2 2 924896435 917026400 1 2 1 2 2 2 322948517 499114106 1 2 2 2 2 2 152908571 242548777 1 1 1 2 2 2 636974385 763173214 1 2 1 1 2 2 164965132 862298613 1 1 1 2 2 2 315078033 401694789 1 2 1 2 2 2 961358343 969300127 2 2 1 2 2 2 500628228 28065329 1 2 1 2 2 2 862229381 863649944 1 2 2 2 2 2 541...
output:
1073741823 2 1073741823 2 536870911 2 536870911 2 268435455 2 268435455 2 1073741823 2 1073741823 2 268435455 2 1073741823 2 536870911 2 536870911 2 1073741823 2 1073741823 2 536870911 2 536870911 2 1073741823 2 1073741823 2 1073741823 2 268435455 2 536870911 2 536870911 2 1073741823 2 1073741823 2 ...
result:
ok 200000 numbers
Test #4:
score: 0
Accepted
time: 433ms
memory: 149240kb
input:
33333 3 3 925088809 339284112 289540728 3 3 1 3 1 1 3 3 422399522 892365243 216341776 3 3 3 3 1 2 3 3 668932010 837523227 840095874 1 3 1 3 3 3 3 3 731584574 357877180 359063739 1 1 1 1 3 3 3 3 463358343 833924976 847087403 2 3 3 3 1 2 3 3 377154649 772000701 656357011 2 3 1 2 2 3 3 3 977492169 5540...
output:
536870911 2 1073741823 2 1073741823 2 268435455 2 268435455 2 1073741823 2 1073741823 2 1073741823 2 1073741823 2 1073741823 2 1073741823 2 536870911 2 1073741823 2 1073741823 2 1073741823 2 1073741823 2 1073741823 2 1073741823 2 1073741823 2 1073741823 2 1073741823 2 67108863 2 1073741823 2 1073741...
result:
ok 199998 numbers
Test #5:
score: 0
Accepted
time: 519ms
memory: 149316kb
input:
20000 5 5 925473558 183799537 561353092 858424993 765513347 2 4 1 1 1 2 3 5 1 4 5 5 141075166 375934371 754066286 663820319 906342255 3 5 1 1 4 5 1 4 2 3 5 5 417114008 270241961 121113861 381529080 772448388 1 3 1 1 2 5 5 5 2 2 5 5 668136057 138968211 856562545 187058570 699131353 4 5 3 4 5 5 2 4 3 ...
output:
1073741823 2 1073741823 2 1073741823 2 1073741823 2 1073741823 2 1073741823 2 268435455 2 1073741823 2 1073741823 2 1073741823 2 536870911 2 536870911 2 1073741823 2 1073741823 2 536870911 2 1073741823 2 1073741823 2 1073741823 2 1073741823 2 1073741823 2 1073741823 2 1073741823 2 268435455 2 107374...
result:
ok 200000 numbers
Test #6:
score: 0
Accepted
time: 512ms
memory: 151428kb
input:
10000 10 10 464850425 447664857 363029101 653457810 349421643 98326037 214053360 578140626 808807764 145448013 7 9 9 10 8 10 3 7 9 10 5 8 3 3 4 5 5 9 5 6 10 10 164710533 415965867 931056007 328603885 862991829 82082068 344198824 831587464 105221046 931994543 3 10 3 6 2 5 1 8 2 5 2 4 1 4 2 9 4 7 2 10...
output:
1073741823 2 1073741823 2 1073741823 2 1073741823 0 1073741823 2 1073741823 0 536870911 2 1073741823 2 1073741823 0 536870911 2 1073741823 1 1073741823 2 1073741823 0 1073741823 0 1073741823 0 1073741823 2 1073741823 2 1073741823 0 1073741823 2 1073741823 0 1073741823 0 1073741823 0 1073741823 2 107...
result:
ok 200000 numbers
Test #7:
score: 0
Accepted
time: 282ms
memory: 151288kb
input:
2000 50 50 301364921 49607558 56439403 72138223 738745954 181451970 38781406 471102148 4784830 822066927 452651281 90223924 953803789 734536065 187547996 210346218 345980284 176449147 902515665 381421430 951687051 393184831 343896411 352474642 377720626 788400840 998087699 244732858 836294423 773917...
output:
1073741823 0 1073741823 2 1073741823 0 1073741823 0 1073741823 0 1073741823 0 1073741823 0 1073741823 0 1073741823 0 1073741823 0 1073741823 0 1073741823 0 1073741823 0 1073741823 0 1073741823 0 1073741823 0 1073741823 0 1073741823 0 1073741823 0 1073741823 0 1073741823 0 536870911 2 1073741823 0 10...
result:
ok 200000 numbers
Test #8:
score: 0
Accepted
time: 830ms
memory: 172104kb
input:
1 100000 100000 412845353 687170600 219497096 548310424 820681466 491266412 904807220 701500031 955106649 72422395 93882988 690742484 618525007 878384372 612794801 559975151 691971081 470518678 75198195 606919949 495771077 94896835 955641205 829504564 891480929 134520717 93159022 75955235 203043484 ...
output:
1073741823 1 1073741823 1 1073741823 1 1073741823 1 1073741823 1 1073741823 1 1073741823 1 1073741823 1 1073741823 1 1073741823 1 1073741823 1 1073741823 1 1073741823 1 1073741823 1 1073741823 1 1073741823 1 1073741823 1 1073741823 1 1073741823 1 1073741823 1 1073741823 1 1073741823 1 1073741823 1 1...
result:
ok 200000 numbers
Test #9:
score: 0
Accepted
time: 808ms
memory: 172128kb
input:
1 100000 100000 952441795 454169042 417874915 71762275 538969458 551454259 292052801 531091490 755275234 645143315 984088451 936400451 457379970 948257584 873148497 45309968 181471857 731348131 558039441 931056465 620380274 394825331 26893888 69376673 614858034 489359328 635100016 501393058 84479238...
output:
1073741823 1 1073741823 1 1073741823 1 1073741823 1 1073741823 1 1073741823 1 1073741823 1 1073741823 1 1073741823 1 1073741823 1 1073741823 1 1073741823 1 1073741823 1 1073741823 1 1073741823 1 1073741823 1 1073741823 1 1073741823 1 1073741823 1 1073741823 1 1073741823 1 1073741823 1 1073741823 1 1...
result:
ok 200000 numbers
Test #10:
score: 0
Accepted
time: 1125ms
memory: 173100kb
input:
1 100000 100000 384728962 789675555 140424904 760669121 361439328 393719043 515372386 379329282 704177992 446687619 688441058 939269091 570763146 492018656 161714443 596461347 384092907 304150755 54574625 350079201 804917409 296791883 311704288 120533827 281070753 787668201 311851337 243944555 86097...
output:
1073741823 1 1073741823 1 1073741823 1 1073741823 1 1073741823 1 1073741823 1 1073741823 1 1073741823 1 1073741823 1 1073741823 1 1073741823 1 1073741823 1 1073741823 1 1073741823 1 1073741823 1 1073741823 1 1073741823 1 1073741823 1 1073741823 1 1073741823 1 1073741823 1 1073741823 1 1073741823 1 1...
result:
ok 200000 numbers
Test #11:
score: -100
Time Limit Exceeded
input:
1 100000 100000 954336048 123973577 880492165 179935659 785024360 446828445 77109657 780837560 486606848 754530467 539109315 829629731 461093031 358202421 812196741 329889417 420722415 449493848 973737526 892895244 910922005 26817536 544872240 181116842 949654139 678991086 632915781 392332516 893065...
output:
1073741823 1 1073741823 1 1073741823 1 1073741823 1 1073741823 1 1073741823 1 1073741823 1 1073741823 1 1073741823 1 1073741823 1 1073741823 1 1073741823 1 1073741823 1 1073741823 1 1073741823 1 1073741823 1 1073741823 1 1073741823 1 1073741823 1 1073741823 1 1073741823 1 1073741823 1 1073741823 1 1...