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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 |
---|---|---|---|---|---|---|---|---|---|
#513039 | #9168. Square Locator | ucup-team4361# | AC ✓ | 1ms | 3728kb | C++14 | 3.4kb | 2024-08-10 16:42:05 | 2024-08-10 16:42:05 |
Judging History
answer
#include <bits/stdc++.h>
#define LL long long
#define ull unsigned long long
#define F(i, j, k) for (int i = j; i <= k; ++i)
#define DF(i, j, k) for (int i = j; i >= k; --i)
using namespace std;
template <typename T> inline void read(T &n) {
T w = 1;
n = 0;
char ch = getchar();
while (!isdigit(ch) && ch != EOF) {
if (ch == '-') w = -1;
ch = getchar();
}
while (isdigit(ch) && ch != EOF) {
n = (n << 3) + (n << 1) + (ch & 15);
ch = getchar();
}
n *= w;
}
template <typename T> inline void write(T x) {
T l = 0;
ull y = 0;
if (!x) { putchar(48); return; }
if (x < 0) { x = -x; putchar('-'); }
while (x) { y = y * 10 + x % 10; x /= 10; ++l; }
while (l) { putchar(y % 10 + 48); y /= 10; --l; }
}
template <typename T> inline void writes(T x) {
write(x);
putchar(' ');
}
template <typename T> inline void writeln(T x) {
write(x);
puts("");
}
template <typename T> inline void checkmax(T &a, T b) { a = a > b ? a : b; }
template <typename T> inline void checkmin(T &a, T b) { a = a < b ? a : b; }
const double Eps = 1e-8;
bool f = 0;
LL A, B, C, D;
inline double check(double now) {
double xa = 0, ya = sqrt(A);
double csita = (D - A - now * now) / (2.0 * sqrt(A) * now);
double yd = ya + csita * now;
double xd = sqrt(now * now - csita * now * csita * now);
double xb1 = yd - ya, yb1 = ya - xd;
double xb2 = ya - yd, yb2 = ya + xd;
return min(xb1 * xb1 + yb1 * yb1, xb2 * xb2 + yb2 * yb2);
}
int swp = 0;
inline void work(double now) {
double xa = 0, ya = sqrt(A);
double csita = (D - A - now * now) / (2.0 * sqrt(A) * now);
double yd = ya + csita * now;
double xd = sqrt(now * now - csita * now * csita * now);
double xb1 = yd - ya, yb1 = ya - xd;
double xb2 = ya - yd, yb2 = ya + xd;
double xb, yb;
if (xb1 * xb1 + yb1 * yb1 < xb2 * xb2 + yb2 * yb2) {
xb = xb1;
yb = yb1;
}
else {
xb = xb2;
yb = yb2;
}
double xc = xb + xd - xa, yc = yb + yd - ya;
if ((LL)round(xc) * (LL)round(xc) + (LL)round(yc) * (LL)round(yc) == C
&& (round(xa) != round(xb) || round(ya) != round(yb)))
{
f = 1;
if (swp) {
swap(xb, xd);
swap(yb, yd);
}
cout << (LL)round(ya) << ' ';
cout << (LL)round(xb) << ' ' << (LL)round(yb) << ' ';
cout << (LL)round(xc) << ' ' << (LL)round(yc) << ' ';
cout << (LL)round(xd) << ' ' << (LL)round(yd) << '\n';
exit(0);
}
}
int main() {
//freopen(".in", "r", stdin);
//freopen(".out", "w", stdout);
cin >> A >> B >> C >> D;
if (B > D) {
swap(B, D);
swp = 1;
}
double l = fabs(sqrt(A) - sqrt(D)) + Eps, r = sqrt(A) + sqrt(D) - Eps;
F(i, 1, 1000) {
double mid1 = l + (r - l) / 3.0, mid2 = r - (r - l) / 3.0;
if (check(mid1) < check(mid2)) r = mid2;
else l = mid1;
}
double true_mid = l;
l = fabs(sqrt(A) - sqrt(D)) + Eps, r = true_mid;
F(i, 1, 1000) {
double mid = (l + r) / 2.0;
if (check(mid) > B) l = mid;
else r = mid;
}
work(l);
l = true_mid, r = sqrt(A) + sqrt(D) - Eps;
F(i, 1, 1000) {
double mid = (l + r) / 2.0;
if (check(mid) < B) l = mid;
else r = mid;
}
work(l);
if (!f) assert(0);
return 0;
}
这程序好像有点Bug,我给组数据试试?
詳細信息
Test #1:
score: 100
Accepted
time: 1ms
memory: 3592kb
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: 3600kb
input:
1 1 1 1
output:
1 -1 0 0 -1 1 0
result:
ok Answer is correct
Test #3:
score: 0
Accepted
time: 0ms
memory: 3672kb
input:
1000000000000000000 1000000000000000000 1000000000000000000 1000000000000000000
output:
1000000000 -1000000000 0 0 -1000000000 1000000000 0
result:
ok Answer is correct
Test #4:
score: 0
Accepted
time: 0ms
memory: 3544kb
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: 3688kb
input:
4 50 104 58
output:
2 -5 -5 2 -10 7 -3
result:
ok Answer is correct
Test #6:
score: 0
Accepted
time: 0ms
memory: 3616kb
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: 3600kb
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: 3672kb
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: 3600kb
input:
374544 2235250 4453364 2592658
output:
612 -1205 -885 292 -2090 1497 -593
result:
ok Answer is correct
Test #10:
score: 0
Accepted
time: 0ms
memory: 3604kb
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: 3624kb
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: 3676kb
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: 3620kb
input:
986962771600 2474826790757 5529645464114 4041781444957
output:
993460 -1210079 -1005254 788635 -2215333 1998714 -216619
result:
ok Answer is correct
Test #14:
score: 0
Accepted
time: 0ms
memory: 3656kb
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: 3720kb
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: 3616kb
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: 3604kb
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: 3596kb
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: 3500kb
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: 3504kb
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: 3668kb
input:
5000019216542596 408275955794662066 885792080806957480 482516144228838010
output:
70710814 -163457821 -617703405 524956398 -781161226 688414219 -92747007
result:
ok Answer is correct
Test #22:
score: 0
Accepted
time: 1ms
memory: 3556kb
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: 3560kb
input:
255964325056888900 56517928013623933 645740568455742866 845186965499007833
output:
505929170 234517643 -38979522 779426335 195538121 544908692 740446813
result:
ok Answer is correct
Test #24:
score: 0
Accepted
time: 1ms
memory: 3728kb
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: 3672kb
input:
1299556716903225 355747388532580098 692024059544933421 337576227729256548
output:
36049365 540431757 -252350757 252031635 -792782514 -288400122 -504382392
result:
ok Answer is correct
Test #26:
score: 0
Accepted
time: 0ms
memory: 3720kb
input:
65258206810145881 521153173952727205 930630862422604093 474735895280022769
output:
255456859 653356447 -307048086 90851502 -960404533 -562504945 -397899588
result:
ok Answer is correct
Test #27:
score: 0
Accepted
time: 0ms
memory: 3688kb
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