QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#359030#6519. X Equals YPorNPtreeWA 3ms4096kbC++142.4kb2024-03-20 11:11:052024-03-20 11:11:05

Judging History

你现在查看的是最新测评结果

  • [2024-03-20 11:11:05]
  • 评测
  • 测评结果:WA
  • 用时:3ms
  • 内存:4096kb
  • [2024-03-20 11:11:05]
  • 提交

answer

#include <bits/stdc++.h>

using namespace std;

const int B = 71;

signed main()
{
    int T;
    scanf("%d", &T);
    while (T--) {
        int x, y, A, B;
        scanf("%d%d%d%d", &x, &y, &A, &B);
        if (x == y) {
            puts("YES");
            puts("2 2");
        } else if (x == 1 || y == 1) {
            puts("NO");
        } else {
            unordered_map<unsigned long long, int> M;
            for (int i = 2; i * i <= x && i <= A; ++i) {
                unsigned long long z = 0, tz = x;
                while (tz) {
                    z = (__uint128_t)z * B + tz % i;
                    tz /= i;
                }
                M[z] = i;
            }
            int flg = 0;
            for (int i = 2; i * i <= y && i <= B; ++i) {
                unsigned long long z = 0, tz = y;
                while (tz) {
                    z = (__uint128_t)z * B + tz % i;
                    tz /= i;
                }
                if (M.count(z)) {
                    puts("YES");
                    printf("%d %d\n", M[z], i);
                    flg = 1;
                    break;
                }
            }
            if (!flg) {
                unordered_map<int, pair<int, int> > M;
                for (int i = ceil(sqrt(x) + 1e-6), j; i <= A && i <= x; i = j + 1) {
                    j = x / (x / i);
                    M[x / i] = make_pair(i, j);
                }
                for (int i = ceil(sqrt(y) + 1e-6), j; i <= B && i <= y; i = j + 1) {
                    j = y / (y / i);
                    if (M.count(y / i)) {
                        int l1 = M[y / i].first, r1 = M[y / i].second;
                        int l2 = i, r2 = j, V = (y - x) / (y / i);
                        if (l2 - r1 <= V && r2 - l1 >= V) {
                            puts("YES");
                            int dl = V - (l2 - r1);
                            if (dl <= r2 - r1) {
                                printf("%d %d\n", r1, l2 + dl);
                            } else {
                                printf("%d %d\n", r1 - (dl - (r2 - r1)), r2);
                            }
                            flg = 1;
                            break;
                        }
                    }
                }
                if (!flg) {
                    puts("NO");
                }
            }
        }
    }
    return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 4096kb

input:

6
1 1 1000 1000
1 2 1000 1000
3 11 1000 1000
157 291 5 6
157 291 3 6
10126 114514 789 12345

output:

YES
2 2
NO
YES
3 11
YES
4 5
NO
YES
6 10

result:

ok correct (6 test cases)

Test #2:

score: -100
Wrong Answer
time: 3ms
memory: 3796kb

input:

1000
920 661 756 534
52 454 31 218
980 77 812 6
729 733 289 660
161 643 21 475
602 525 329 274
782 167 279 113
875 100 388 16
426 498 341 417
433 751 312 39
91 50 47 39
941 388 247 46
725 808 148 486
945 405 700 145
647 509 152 445
45 564 16 468
843 40 530 3
722 36 323 22
568 472 443 41
38 749 25 42...

output:

YES
26 26
YES
8 75
NO
YES
28 28
YES
13 53
YES
24 25
YES
25 10
YES
11 11
YES
21 24
YES
21 36
YES
7 8
YES
20 20
YES
27 30
YES
7 13
YES
23 23
YES
7 93
NO
YES
7 7
YES
21 22
YES
4 7
NO
YES
14 17
YES
16 5
YES
25 25
YES
15 27
YES
24 25
YES
14 83
YES
12 35
YES
12 13
YES
20 20
YES
12 13
YES
11 42
YES
21 21
Y...

result:

wrong answer wrong solution, (920 in base 26) != (661 in base 26) (test case 1)