QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#352196 | #8335. Fast Hash Transform | karuna | TL | 1388ms | 13168kb | C++20 | 2.3kb | 2024-03-12 23:09:27 | 2024-03-12 23:09:28 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
typedef unsigned long long ull;
const int SZ = 65;
struct mat {
bitset<SZ> a[SZ];
};
mat transpose(mat A) {
mat B;
for (int i = 0; i < SZ; i++) {
for (int j = 0; j < SZ; j++) {
B.a[i][j] = A.a[j][i];
}
}
return B;
}
mat mult(mat A, mat B) {
B = transpose(B);
mat R;
for (int i = 0; i < SZ; i++) {
for (int j = 0; j < SZ; j++) {
R.a[i][j] = (A.a[i] & B.a[j]).count() & 1;
}
}
return R;
}
bitset<SZ> mult(mat A, bitset<SZ> x) {
bitset<SZ> y;
for (int i = 0; i < SZ; i++) {
y[i] = (A.a[i] & x).count() & 1;
}
return y;
}
const int MAXN = 20202;
struct seg {
mat tree[4 * MAXN];
void update(int a, mat A, int l, int r, int x) {
if (l == r) {
tree[x] = A;
return;
}
int m = (l + r) / 2;
if (a <= m) {
update(a, A, l, m, 2 * x);
}
else {
update(a, A, m + 1, r, 2 * x + 1);
}
tree[x] = mult(tree[2 * x + 1], tree[2 * x]);
}
void query(int a, int b, bitset<SZ> &v, int l, int r, int x) {
if (b < l || a > r) return;
if (a <= l && r <= b) {
v = mult(tree[x], v);
return;
}
int m = (l + r) / 2;
query(a, b, v, l, m, 2 * x);
query(a, b, v, m + 1, r, 2 * x + 1);
}
} t1;
mat f() {
int m; cin >> m;
mat A;
A.a[SZ - 1][SZ - 1] = 1;
for (int j = 0; j < m; j++) {
ull s, o, a;
cin >> s >> o >> a;
for (int k = 0; k < SZ - 1; k++) {
int b = (a >> k & 1);
if (o == 0 && b == 1) {
A.a[k][SZ - 1].flip();
}
else if (o == b) {
A.a[k][(k + SZ - 1 - s) % (SZ - 1)].flip();
}
}
}
ull b; cin >> b;
for (int k = 0; k < SZ - 1; k++) {
if (b >> k & 1) {
A.a[k][SZ - 1].flip();
}
}
return A;
}
int main() {
cin.tie(0); ios_base::sync_with_stdio(0);
int n, q, c;
cin >> n >> q >> c;
for (int i = 0; i < n; i++) {
t1.update(i, f(), 0, n - 1, 1);
}
while (q--) {
int op; cin >> op;
if (op == 0) {
int s, e; ull x;
cin >> s >> e >> x;
bitset<SZ> v;
for (int i = 0; i < SZ - 1; i++) {
v[i] = (x >> i & 1);
}
v[SZ - 1] = 1;
t1.query(s - 1, e - 1, v, 0, n - 1, 1);
ull ans = 0;
for (int i = 0; i < SZ - 1; i++) {
ans ^= (ull)v[i] << i;
}
cout << ans << '\n';
}
else {
int x; cin >> x;
t1.update(x - 1, f(), 0, n - 1, 1);
}
}
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 1ms
memory: 3676kb
input:
3 5 1 1 4 0 0 51966 1 60 0 0 0 1 0 0 16 15 0 1 1 771 0 2 2 32368 0 3 3 0 1 2 2 0 0 15 61 1 4095 46681 0 1 3 2023
output:
64206 2023 31 1112
result:
ok 4 tokens
Test #2:
score: 0
Accepted
time: 2ms
memory: 3644kb
input:
9 9 3 32 9 0 17785061119123981789 33 0 10890571864137198682 42 0 9437574736788763477 34 0 5239651887868507470 55 0 14741743279679654187 27 1 1444116632918569317 38 1 5740886562180922636 1 1 8113356142324084796 3 0 10955266306442425904 60 0 16421026339459788005 53 0 1595107134632608917 48 1 923204972...
output:
9487331362121050549 3906661590723083106 15757672015979182109 4975471776251039345 11503109206538591140 3763610618439604410
result:
ok 6 tokens
Test #3:
score: 0
Accepted
time: 18ms
memory: 3644kb
input:
1 20000 400 32 13 0 1721926083061553294 52 1 8951352260297008058 6 0 3180917732545757991 63 1 14978562500072226750 50 1 7331113732303115313 59 0 688182721924779475 12 0 16291922173168822489 61 0 16018198440613086698 8 0 12494084957448674305 7 0 2834422858291562646 42 1 10354539547309738529 28 0 2541...
output:
11827781865759498816 7454610526276185721 9581050724293785387 2177163806257271094 14004004964877510141 18073834598135159471 16966489063087641088 12289032565388413023 17823140805867698239 18104549908461644670 15570008264282957124 12400954982104000299 9842549278742638708 16535034933613060362 1561642006...
result:
ok 19600 tokens
Test #4:
score: 0
Accepted
time: 324ms
memory: 4744kb
input:
500 20000 400 32 3 0 9869926173615303101 39 1 11114680792832491178 54 1 3380955246053990760 31 0 16868042247314276464 26 0 5814925615581342395 30 1 1114053898154397400 46 1 9215698002668459992 38 1 12938485987410997250 58 0 8030873196223549640 0 0 16055471402053138912 47 1 16568729207788187629 63 0 ...
output:
9119093329811149961 16901643057538871933 17161855998497876349 3964234071281411558 13588188063229334268 15557968976322375381 4612345875926431452 9507168112801039022 9504318642653891468 217407202160767706 12982350345598971306 17957502630817476223 6353877977318728572 15552768639781831485 16778108770682...
result:
ok 19600 tokens
Test #5:
score: 0
Accepted
time: 1388ms
memory: 13168kb
input:
4000 20000 400 35 33 0 18435679328748604368 55 1 10851974578636476759 1 0 11332084644969697080 13 0 4243547822701774011 19 0 18197854269436975495 32 0 10133703694198056054 6 0 12655387670867301210 36 0 1246525872821095171 51 1 812047498663608637 4 0 9797423115860097390 7 1 12105773148377740641 17 0 ...
output:
11875257514484243925 3443357416933857062 16160011677622853538 1582145987019406393 15019762274690743371 3128972641411454448 10632018957963074870 2420532366876270818 16130728863118353230 15834956073901517645 18404809296474853851 10982435108266120760 16463778300806795274 11990886156320593058 1145171640...
result:
ok 19600 tokens
Test #6:
score: -100
Time Limit Exceeded
input:
20000 20000 0 34 47 1 3147866938814566873 50 0 8051884074279018250 4 0 11476150812073861567 54 0 3931985566612211642 60 1 9226417006726638292 49 0 2435425653073267226 33 1 5976119177961927073 40 1 3169532703977184656 2 1 17206894689684881943 37 0 2316971949450684490 7 1 7087775905790436416 18 1 7557...