QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#512312 | #9168. Square Locator | ucup-team133# | AC ✓ | 0ms | 3828kb | C++23 | 2.4kb | 2024-08-10 14:07:54 | 2024-08-10 14:07:54 |
Judging History
answer
#include <bits/stdc++.h>
#ifdef LOCAL
#include <debug.hpp>
#else
#define debug(...) void(0)
#endif
template <class T> std::istream& operator>>(std::istream& is, std::vector<T>& v) {
for (auto& e : v) {
is >> e;
}
return is;
}
template <class T> std::ostream& operator<<(std::ostream& os, const std::vector<T>& v) {
for (std::string_view sep = ""; const auto& e : v) {
os << std::exchange(sep, " ") << e;
}
return os;
}
template <class T, class U = T> bool chmin(T& x, U&& y) {
return y < x and (x = std::forward<U>(y), true);
}
template <class T, class U = T> bool chmax(T& x, U&& y) {
return x < y and (x = std::forward<U>(y), true);
}
template <class T> void mkuni(std::vector<T>& v) {
std::ranges::sort(v);
auto result = std::ranges::unique(v);
v.erase(result.begin(), result.end());
}
template <class T> int lwb(const std::vector<T>& v, const T& x) {
return std::distance(v.begin(), std::ranges::lower_bound(v, x));
}
using ll = __int128_t;
using namespace std;
const ll INF = (1 << 30) - 1;
bool check(const vector<long long>& v, ll a, ll dx, ll dy) {
if (a * a != v[0]) return false;
ll x = 0, y = a;
for (int i = 1; i < 4; i++) {
x += dx;
y += dy;
swap(dx, dy);
dx *= -1;
if (x * x + y * y != v[i]) return false;
}
return true;
}
ll SQRT(ll n) {
ll lb = 0, ub = INF;
while (ub - lb > 1) {
ll mid = (lb + ub) >> 1;
(mid * mid <= n ? lb : ub) = mid;
}
return lb;
}
int main() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
cout << fixed << setprecision(15);
vector<long long> v(4);
cin >> v;
ll a = SQRT(v[0]);
assert((v[3] - v[1]) % (2 * a) == 0);
ll diff = (v[3] - v[1]) / (2 * a); // dx - dy
ll A = 2, B = a - diff, C = a * a + diff * diff - v[3]; // A (dx)^2 + 2 B dx + C = 0
ll D = B * B - A * C;
assert(D >= 0);
D = SQRT(D);
for (int _ = 0; _ < 2; _++, D *= -1) {
ll dx = (-B + D) / 2, dy = dx - diff;
if (check(v, a, dx, dy)) {
long long x = 0, y = a;
cout << y;
for (int i = 0; i < 3; i++) {
x += dx;
y += dy;
swap(dx, dy);
dx *= -1;
cout << " " << x << " " << y;
}
cout << "\n";
return 0;
}
}
return 0;
}
这程序好像有点Bug,我给组数据试试?
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 0ms
memory: 3528kb
input:
36 5 10 41
output:
6 -1 2 3 1 4 5
result:
ok Answer is correct
Test #2:
score: 0
Accepted
time: 0ms
memory: 3620kb
input:
1 1 1 1
output:
1 0 1 0 1 0 1
result:
ok Answer is correct
Test #3:
score: 0
Accepted
time: 0ms
memory: 3616kb
input:
1000000000000000000 1000000000000000000 1000000000000000000 1000000000000000000
output:
1000000000 0 1000000000 0 1000000000 0 1000000000
result:
ok Answer is correct
Test #4:
score: 0
Accepted
time: 0ms
memory: 3612kb
input:
4 10 8 2
output:
2 -1 3 -2 2 -1 1
result:
ok Answer is correct
Test #5:
score: 0
Accepted
time: 0ms
memory: 3528kb
input:
4 50 104 58
output:
2 5 5 2 10 -3 7
result:
ok Answer is correct
Test #6:
score: 0
Accepted
time: 0ms
memory: 3524kb
input:
9 16 65 58
output:
3 4 0 7 4 3 7
result:
ok Answer is correct
Test #7:
score: 0
Accepted
time: 0ms
memory: 3544kb
input:
25 13 101 113
output:
5 3 -2 10 1 7 8
result:
ok Answer is correct
Test #8:
score: 0
Accepted
time: 0ms
memory: 3588kb
input:
16 25 58 49
output:
4 3 4 3 7 0 7
result:
ok Answer is correct
Test #9:
score: 0
Accepted
time: 0ms
memory: 3528kb
input:
374544 2235250 4453364 2592658
output:
612 885 1205 292 2090 -593 1497
result:
ok Answer is correct
Test #10:
score: 0
Accepted
time: 0ms
memory: 3764kb
input:
126736 551200 1838608 1414144
output:
356 732 -124 1212 608 480 1088
result:
ok Answer is correct
Test #11:
score: 0
Accepted
time: 0ms
memory: 3780kb
input:
6007401 6936277 5051405 4122529
output:
2451 -426 2599 -574 2173 -148 2025
result:
ok Answer is correct
Test #12:
score: 0
Accepted
time: 0ms
memory: 3532kb
input:
2209 2536706 4875777 2341280
output:
47 -691 1435 -2079 744 -1388 -644
result:
ok Answer is correct
Test #13:
score: 0
Accepted
time: 0ms
memory: 3608kb
input:
986962771600 2474826790757 5529645464114 4041781444957
output:
993460 1005254 1210079 788635 2215333 -216619 1998714
result:
ok Answer is correct
Test #14:
score: 0
Accepted
time: 0ms
memory: 3612kb
input:
722790729241 782340801290 3904082690373 3844532618324
output:
850171 881809 -68947 1800927 812862 919118 1731980
result:
ok Answer is correct
Test #15:
score: 0
Accepted
time: 0ms
memory: 3480kb
input:
3870332944 287487526720 654504136912 370886943136
output:
62212 530544 -77528 670284 453016 139740 592756
result:
ok Answer is correct
Test #16:
score: 0
Accepted
time: 0ms
memory: 3824kb
input:
42230661001 2038831296200 3308981375377 1312380740178
output:
205501 -771514 1201498 -1767511 429984 -995997 -566013
result:
ok Answer is correct
Test #17:
score: 0
Accepted
time: 0ms
memory: 3592kb
input:
132551656347532249 102473514386838101 439829344402853445 469907486363547593
output:
364076443 285439930 144905351 504611022 430345281 219171092 649516373
result:
ok Answer is correct
Test #18:
score: 0
Accepted
time: 0ms
memory: 3608kb
input:
55636209407170681 109515374676898429 329424831462677605 275545666192949857
output:
235873291 284729573 168654810 351948054 453384383 67218481 520602864
result:
ok Answer is correct
Test #19:
score: 0
Accepted
time: 0ms
memory: 3612kb
input:
466589422796014144 325095618166198298 43553814262839476 185047618892655322
output:
683073512 -301902073 483684563 -102513124 181782490 199388949 381171439
result:
ok Answer is correct
Test #20:
score: 0
Accepted
time: 0ms
memory: 3524kb
input:
6909562468993284 229067899424048957 357610810027741258 135452473072685585
output:
83123778 -222468866 423763499 -563108587 201294633 -340639721 -139345088
result:
ok Answer is correct
Test #21:
score: 0
Accepted
time: 0ms
memory: 3780kb
input:
5000019216542596 408275955794662066 885792080806957480 482516144228838010
output:
70710814 617703405 163457821 524956398 781161226 -92747007 688414219
result:
ok Answer is correct
Test #22:
score: 0
Accepted
time: 0ms
memory: 3596kb
input:
1736111972222329 40264917317940640 105455671025820505 66926865680102194
output:
41666677 166940988 -111335636 319943301 55605352 153002313 208607665
result:
ok Answer is correct
Test #23:
score: 0
Accepted
time: 0ms
memory: 3612kb
input:
255964325056888900 56517928013623933 645740568455742866 845186965499007833
output:
505929170 234517643 -38979522 779426335 195538121 544908692 740446813
result:
ok Answer is correct
Test #24:
score: 0
Accepted
time: 0ms
memory: 3828kb
input:
477032252615296225 108870012374411737 333393233802837749 701555474043722237
output:
690675215 62389539 324002404 429062350 386391943 366672811 753064754
result:
ok Answer is correct
Test #25:
score: 0
Accepted
time: 0ms
memory: 3824kb
input:
1299556716903225 355747388532580098 692024059544933421 337576227729256548
output:
36049365 252350757 540431757 -252031635 792782514 -504382392 288400122
result:
ok Answer is correct
Test #26:
score: 0
Accepted
time: 0ms
memory: 3612kb
input:
65258206810145881 521153173952727205 930630862422604093 474735895280022769
output:
255456859 307048086 653356447 -90851502 960404533 -397899588 562504945
result:
ok Answer is correct
Test #27:
score: 0
Accepted
time: 0ms
memory: 3484kb
input:
8131402216306944 151743259973886485 212869615963839370 69257758206259829
output:
90174288 -243418711 304122658 -457367081 60703947 -213948370 -153244423
result:
ok Answer is correct
Extra Test:
score: 0
Extra Test Passed