QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#513251#9168. Square Locatorucup-team3661#AC ✓0ms3740kbC++202.7kb2024-08-10 17:19:172024-08-10 17:19:17

Judging History

你现在查看的是最新测评结果

  • [2024-08-10 17:19:17]
  • 评测
  • 测评结果：AC
  • 用时：0ms
  • 内存：3740kb
查看
  • [2024-08-10 17:19:17]
  • 提交

answer

#include <bits/stdc++.h>
using namespace std;
using ll = long long;

__int128_t mysqrt(__int128_t x) {
    __int128_t ret = sqrt((long double)x);
    while (ret * ret > x) ret--;
    while ((ret + 1) * (ret + 1) <= x) ret++;
    return ret;
}

int main() {
    vector<ll> LEN(4);
    for (int i = 0; i < 4; ++i) cin >> LEN[i];

    vector<int> p(4);
    iota(p.begin(), p.end(), 0);

    ll ay = mysqrt(LEN[0]);

    do {
        if (p[0] != 0) break;
        ll BD = LEN[p[3]] - LEN[p[1]];
        if (BD % ay != 0) continue;
        if ((BD / ay) % 2 != 0) continue;
        __int128_t alpha = BD / ay / 2;

        __int128_t CA = LEN[p[1]] - alpha * alpha - LEN[p[0]];
        if (CA % 2 != 0) continue;
        __int128_t beta = -CA / 2;

        __int128_t H = alpha + ay;
        H *= alpha + ay;
        H += -beta * 4;

        __int128_t leftL = mysqrt(H);

        if (leftL * leftL != H) continue;

        if ((leftL + alpha - ay) % 2 != 0) continue;

        {
            ll ly = (leftL - alpha - ay) / 2;
            ll lx = alpha + ly;

            vector<ll> ansx(4), ansy(4);
            ansx[p[0]] = 0;
            ansx[p[1]] = ansx[p[0]] + lx;
            ansx[p[2]] = ansx[p[0]] + lx - ly;
            ansx[p[3]] = ansx[p[0]] - ly;
            ansy[p[0]] = ay;
            ansy[p[1]] = ansy[p[0]] + ly;
            ansy[p[2]] = ansy[p[0]] + lx + ly;
            ansy[p[3]] = ansy[p[0]] + lx;

            bool flag = true;
            for (int i = 0; i < 4; ++i) {
                flag &= (ansx[i] * ansx[i] + ansy[i] * ansy[i]) == LEN[i];
            }
            if (true) {
                cout << ansy[0] << ' ' << ansx[1] << ' ' << ansy[1] << ' ' << ansx[2] << ' ' << ansy[2] << ' ' << ansx[3] << ' ' << ansy[3] << endl;
                return 0;
            }
        }

        {
            ll ly = (-leftL - alpha - ay) / 2;
            ll lx = alpha + ly;

            vector<ll> ansx(4), ansy(4);
            ansx[p[0]] = 0;
            ansx[p[1]] = ansx[p[0]] + lx;
            ansx[p[2]] = ansx[p[0]] + lx - ly;
            ansx[p[3]] = ansx[p[0]] - ly;
            ansy[p[0]] = ay;
            ansy[p[1]] = ansy[p[0]] + ly;
            ansy[p[2]] = ansy[p[0]] + lx + ly;
            ansy[p[3]] = ansy[p[0]] + lx;

            bool flag = true;
            for (int i = 0; i < 4; ++i) {
                flag &= (ansx[i] * ansx[i] + ansy[i] * ansy[i]) == LEN[i];
            }
            if (true) {
                cout << ansy[0] << ' ' << ansx[1] << ' ' << ansy[1] << ' ' << ansx[2] << ' ' << ansy[2] << ' ' << ansx[3] << ' ' << ansy[3] << endl;
                return 0;
            }
        }

    } while (next_permutation(p.begin(), p.end()));
    assert(false);
    return 0;
}
Source code, Language: C++20

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: 3476kb

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: 3660kb

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: 3724kb

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: 3588kb

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: 3740kb

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: 3652kb

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: 3736kb

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: 3540kb

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: 3588kb

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: 3572kb

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: 3720kb

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: 3592kb

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: 3584kb

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: 3588kb

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: 3488kb

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: 3516kb

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: 3588kb

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: 3564kb

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: 3588kb

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: 3516kb

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: 3736kb

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: 3588kb

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: 3532kb

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: 3656kb

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: 3592kb

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: 3660kb

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: 3656kb

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
English 繁體中文 简体中文

Server Time: 2024-12-04 04:11:21 | OpenSource Project