QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#710156#7696. Forest for the TreesbecaidoAC ✓91ms3776kbC++202.1kb2024-11-04 18:52:232024-11-04 18:52:24

Judging History

This is the latest submission verdict.

  • [2024-11-04 18:52:24]
  • Judged
  • Verdict: AC
  • Time: 91ms
  • Memory: 3776kb
  • [2024-11-04 18:52:23]
  • Submitted

answer

#pragma GCC optimize("O3,unroll-loops")
#include <bits/stdc++.h>
using namespace std;

#ifdef WAIMAI
#define debug(HEHE...) cout << "[" << #HEHE << "] : ", dout(HEHE)
void dout() {cout << '\n';}
template<typename T, typename...U>
void dout (T t, U...u) {cout << t << (sizeof... (u) ? ", " : ""), dout (u...);}
#else
#define debug(...) 7122
#endif

#define ll long long
#define Waimai ios::sync_with_stdio(false), cin.tie(0)
#define FOR(x,a,b) for (int x = a, I = b; x <= I; x++)
#define pb emplace_back
#define F first
#define S second

const int SIZE = 5005;

int n, m, r;
pair<int, int> p[SIZE], sp[SIZE];

bool fans;
pair<int, int> ans;

int dis(pair<int, int> a, pair<int, int> b) {
    return abs(a.F - b.F) + abs(a.S - b.S);
}

void work() {
    FOR (i, 1, n) {
        int dx = p[i].F - sp[1].F, dy = p[i].S - sp[1].S;
        bool f = 1;
        pair<int, int> mid = {dx, dy};
        int rp = 1;
        FOR (j, 1, n) if (dis(mid, p[j]) <= r) {
            if (rp > m) {
                f = 0;
                break;
            }
            pair<int, int> dsp = {sp[rp].F + dx, sp[rp].S + dy};
            if (p[j] != dsp) {
                f = 0;
                break;
            }
            rp++;
        }
        if (rp <= m) f = 0;
        if (f) {
            if (fans) {
                cout << "Ambiguous\n";
                exit(0);
            }
            fans = 1;
            ans = mid;
        }
    }
}

void solve() {
    cin >> n >> m >> r;
    FOR (i, 1, n) cin >> p[i].F >> p[i].S;
    FOR (i, 1, m) {
        cin >> sp[i].F >> sp[i].S;
        if (sp[i].F == 0 && sp[i].S == 0) {
            cout << "Impossible\n";
            return;
        }
    }

    sort(p + 1, p + n + 1);
    FOR (t, 0, 3) {
        sort(sp + 1, sp + m + 1);
        work();
        FOR (i, 1, m) {
            swap(sp[i].F, sp[i].S);
            sp[i].F *= -1;
        }
    }
    if (fans) cout << ans.F << ' ' << ans.S << '\n';
    else cout << "Impossible\n";
}

int main() {
    Waimai;
    solve();
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 3732kb

input:

4 4 100
1 1
2 2
2 1
3 3
0 1
0 2
-1 2
-2 3

output:

0 1

result:

ok single line: '0 1'

Test #2:

score: 0
Accepted
time: 0ms
memory: 3672kb

input:

4 4 4
0 1
1 0
0 -1
-1 0
0 1
1 0
0 -1
-1 0

output:

Ambiguous

result:

ok single line: 'Ambiguous'

Test #3:

score: 0
Accepted
time: 45ms
memory: 3720kb

input:

4899 957 32
-9961 -9999
-9970 -9968
-9942 -9986
-9991 -9991
-9950 -9990
-9958 -9994
-9939 -9944
-9992 -9987
-9973 -9937
-9981 -9941
-9940 -9940
-9989 -9945
-9961 -9963
-9970 -9932
-9969 -9967
-9977 -9971
-9949 -9989
-9958 -9958
-9957 -9993
-9937 -9935
-9938 -9980
-9965 -9997
-9992 -9951
-9946 -9984
...

output:

-9929 -9959

result:

ok single line: '-9929 -9959'

Test #4:

score: 0
Accepted
time: 0ms
memory: 3708kb

input:

4899 941 40
-9970 -9968
-9942 -9986
-9991 -9991
-9950 -9990
-9958 -9994
-9939 -9944
-9992 -9987
-9973 -9937
-9981 -9941
-9940 -9940
-9989 -9945
-9961 -9963
-9970 -9932
-9969 -9967
-9977 -9971
-9949 -9989
-9958 -9958
-9957 -9993
-9937 -9935
-9938 -9980
-9965 -9997
-9992 -9951
-9946 -9984
-10000 -9955...

output:

Impossible

result:

ok single line: 'Impossible'

Test #5:

score: 0
Accepted
time: 1ms
memory: 3656kb

input:

4899 940 40
-9970 -9968
-9942 -9986
-9991 -9991
-9950 -9990
-9958 -9994
-9939 -9944
-9992 -9987
-9973 -9937
-9981 -9941
-9940 -9940
-9989 -9945
-9961 -9963
-9970 -9932
-9969 -9967
-9977 -9971
-9949 -9989
-9958 -9958
-9957 -9993
-9937 -9935
-9938 -9980
-9965 -9997
-9992 -9951
-9946 -9984
-10000 -9955...

output:

Impossible

result:

ok single line: 'Impossible'

Test #6:

score: 0
Accepted
time: 0ms
memory: 3664kb

input:

3 3 1000
1 0
0 1
1 1
1 0
0 1
1 1

output:

0 0

result:

ok single line: '0 0'

Test #7:

score: 0
Accepted
time: 58ms
memory: 3732kb

input:

5000 2 1000
0 0
1000 1000
66740 84615
-16851 37613
31009 31589
-68041 -71122
21568 86889
53743 -31217
-73472 63365
9594 -12742
-25497 -5264
15942 13442
19537 -83361
93129 67319
-27565 73861
75273 -19266
-55048 -79726
-45975 -36987
-51309 35820
-99049 -10933
-45867 99815
-52121 99729
-89976 -15892
38...

output:

Ambiguous

result:

ok single line: 'Ambiguous'

Test #8:

score: 0
Accepted
time: 91ms
memory: 3776kb

input:

5000 3 1000
0 0
1000 1000
1000 999
13954 9751
75888 -54632
10747 -12901
37707 -37988
-49564 26056
-30528 -9620
6227 -95560
-82768 85135
-15530 89254
-39739 -79664
-81590 -75580
91135 -20238
-52264 -66253
-41259 -90627
-7096 -35158
-67316 13384
79722 57595
-40566 99205
35854 -48598
-83531 -59472
-286...

output:

600 400

result:

ok single line: '600 400'

Test #9:

score: 0
Accepted
time: 0ms
memory: 3668kb

input:

4 3 100
1 1
2 2
2 1
3 3
0 1
0 2
-1 2

output:

Impossible

result:

ok single line: 'Impossible'

Test #10:

score: 0
Accepted
time: 0ms
memory: 3752kb

input:

3 3 100
1 1
2 1
3 1
0 1
0 2
0 3

output:

Ambiguous

result:

ok single line: 'Ambiguous'

Test #11:

score: 0
Accepted
time: 0ms
memory: 3664kb

input:

4 3 2
1 1
2 2
2 1
3 3
0 1
0 2
-1 1

output:

2 0

result:

ok single line: '2 0'

Test #12:

score: 0
Accepted
time: 0ms
memory: 3612kb

input:

121 121 50
4 0
-10 10
8 0
0 -4
-6 10
-8 -8
10 6
2 2
-8 10
-4 -8
6 2
-2 -2
-10 -6
-4 10
4 2
-6 -6
10 -10
8 2
0 -2
-8 -6
2 4
-4 -6
6 4
-2 0
-10 -4
-6 -4
10 -8
8 4
0 0
-8 -4
-4 -4
6 6
-2 2
-10 -2
-6 -2
10 -6
2 -10
0 2
-8 -2
6 -10
-4 -2
4 -10
-2 4
-10 0
8 -10
-6 0
2 -8
-8 0
6 -8
10 8
-4 0
-10 2
8 -8
-6 ...

output:

Ambiguous

result:

ok single line: 'Ambiguous'

Test #13:

score: 0
Accepted
time: 0ms
memory: 3672kb

input:

120 120 50
-10 10
8 0
0 -4
-6 10
-8 -8
10 6
2 2
-8 10
-4 -8
6 2
-2 -2
-10 -6
-4 10
4 2
-6 -6
10 -10
8 2
0 -2
-8 -6
2 4
-4 -6
6 4
-2 0
-10 -4
-6 -4
10 -8
8 4
0 0
-8 -4
-4 -4
6 6
-2 2
-10 -2
-6 -2
10 -6
2 -10
0 2
-8 -2
6 -10
-4 -2
4 -10
-2 4
-10 0
8 -10
-6 0
2 -8
-8 0
6 -8
10 8
-4 0
-10 2
8 -8
-6 2
4 ...

output:

5 5

result:

ok single line: '5 5'

Test #14:

score: 0
Accepted
time: 0ms
memory: 3620kb

input:

120 119 50
-10 10
8 0
0 -4
-6 10
-8 -8
10 6
2 2
-8 10
-4 -8
6 2
-2 -2
-10 -6
-4 10
4 2
-6 -6
10 -10
8 2
0 -2
-8 -6
2 4
-4 -6
6 4
-2 0
-10 -4
-6 -4
10 -8
8 4
0 0
-8 -4
-4 -4
6 6
-2 2
-10 -2
-6 -2
10 -6
2 -10
0 2
-8 -2
6 -10
-4 -2
4 -10
-2 4
-10 0
8 -10
-6 0
2 -8
-8 0
6 -8
10 8
-4 0
-10 2
8 -8
-6 2
4 ...

output:

Impossible

result:

ok single line: 'Impossible'

Test #15:

score: 0
Accepted
time: 0ms
memory: 3620kb

input:

121 121 50
4 0
-10 10
8 0
0 -4
-6 10
-8 -8
10 6
2 2
-8 10
-4 -8
6 2
-2 -2
-10 -6
-4 10
4 2
-6 -6
10 -10
8 2
0 -2
-8 -6
2 4
-4 -6
6 4
-2 0
-10 -4
-6 -4
10 -8
8 4
0 0
-8 -4
-4 -4
6 6
-2 2
-10 -2
-6 -2
10 -6
2 -10
0 2
-8 -2
6 -10
-4 -2
4 -10
-2 4
-10 0
8 -10
-6 0
2 -8
-8 0
6 -8
10 8
-4 0
-10 2
8 -8
-6 ...

output:

Ambiguous

result:

ok single line: 'Ambiguous'

Test #16:

score: 0
Accepted
time: 19ms
memory: 3624kb

input:

2598 217 20
-28 50
-36 46
-16 24
-24 20
50 6
-44 -38
42 2
6 48
-42 8
-50 4
-30 -18
-38 -22
-20 26
-18 -44
-38 14
2 50
-46 10
-18 -8
22 28
-26 -12
14 24
-34 -16
-6 -34
-14 -38
26 -2
-22 -42
18 -6
-4 12
36 48
-12 8
8 -14
48 22
0 -18
18 30
-8 -22
20 -40
12 -44
30 4
4 -48
-8 14
12 -8
4 -12
44 24
24 -34
...

output:

5 5

result:

ok single line: '5 5'