#include "bits/stdc++.h"
using namespace std;
#ifdef Nero
#include "Deb.h"
#else
#define debug(...)
#endif
int main() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
int n;
cin >> n;
vector<int> x(n), y(n), z(n);
for (int i = 0; i < n; ++i) {
cin >> x[i] >> y[i] >> z[i];
}
vector<int> ptx(n), pty(n), ptz(n);
iota(ptx.begin(), ptx.end(), 0);
iota(pty.begin(), pty.end(), 0);
iota(ptz.begin(), ptz.end(), 0);
sort(ptx.begin(), ptx.end(), [&](int i, int j) {
return x[i] < x[j];
});
sort(pty.begin(), pty.end(), [&](int i, int j) {
return y[i] < y[j];
});
sort(ptz.begin(), ptz.end(), [&](int i, int j) {
return z[i] < z[j];
});
int tx = n - 1, ty = n - 1, tz = n - 1;
vector<bool> used(n);
while (tx >= 0 && ty >= 0 && tz >= 0) {
int mx = x[ptx[tx]], my = y[pty[ty]], mz = z[ptz[tz]];
int cntx = 1 + (y[ptx[tx]] == my) + (z[ptx[tx]] == mz);
int cnty = 1 + (x[pty[ty]] == mx) + (z[pty[ty]] == mz);
int cntz = 1 + (x[ptz[tz]] == mx) + (y[ptz[tz]] == my);
if (cntx >= 2) {
used[ptx[tx]] = true;
tx--;
} else if (cnty >= 2) {
used[pty[ty]] = true;
ty--;
} else if (cntz >= 2) {
used[ptz[tz]] = true;
tz--;
} else {
cout << mx + my + mz << '\n';
return 0;
}
while (tx >= 0 && used[ptx[tx]]) tx--;
while (ty >= 0 && used[pty[ty]]) ty--;
while (tz >= 0 && used[ptz[tz]]) tz--;
}
cout << -1 << '\n';
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
0 ms |
348 KB |
Output is correct |
20 |
Correct |
0 ms |
348 KB |
Output is correct |
21 |
Correct |
0 ms |
348 KB |
Output is correct |
22 |
Correct |
0 ms |
348 KB |
Output is correct |
23 |
Correct |
0 ms |
344 KB |
Output is correct |
24 |
Correct |
1 ms |
348 KB |
Output is correct |
25 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
0 ms |
348 KB |
Output is correct |
20 |
Correct |
0 ms |
348 KB |
Output is correct |
21 |
Correct |
0 ms |
348 KB |
Output is correct |
22 |
Correct |
0 ms |
348 KB |
Output is correct |
23 |
Correct |
0 ms |
344 KB |
Output is correct |
24 |
Correct |
1 ms |
348 KB |
Output is correct |
25 |
Correct |
0 ms |
348 KB |
Output is correct |
26 |
Correct |
2 ms |
604 KB |
Output is correct |
27 |
Correct |
2 ms |
604 KB |
Output is correct |
28 |
Correct |
2 ms |
604 KB |
Output is correct |
29 |
Correct |
2 ms |
604 KB |
Output is correct |
30 |
Correct |
1 ms |
348 KB |
Output is correct |
31 |
Correct |
1 ms |
604 KB |
Output is correct |
32 |
Correct |
1 ms |
348 KB |
Output is correct |
33 |
Correct |
1 ms |
608 KB |
Output is correct |
34 |
Correct |
2 ms |
856 KB |
Output is correct |
35 |
Correct |
0 ms |
348 KB |
Output is correct |
36 |
Correct |
0 ms |
348 KB |
Output is correct |
37 |
Correct |
1 ms |
472 KB |
Output is correct |
38 |
Correct |
2 ms |
600 KB |
Output is correct |
39 |
Correct |
1 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
25 ms |
3928 KB |
Output is correct |
12 |
Correct |
18 ms |
2652 KB |
Output is correct |
13 |
Correct |
19 ms |
3876 KB |
Output is correct |
14 |
Correct |
28 ms |
4700 KB |
Output is correct |
15 |
Correct |
25 ms |
4688 KB |
Output is correct |
16 |
Correct |
22 ms |
4712 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
25 ms |
3928 KB |
Output is correct |
12 |
Correct |
18 ms |
2652 KB |
Output is correct |
13 |
Correct |
19 ms |
3876 KB |
Output is correct |
14 |
Correct |
28 ms |
4700 KB |
Output is correct |
15 |
Correct |
25 ms |
4688 KB |
Output is correct |
16 |
Correct |
22 ms |
4712 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
0 ms |
348 KB |
Output is correct |
20 |
Correct |
0 ms |
344 KB |
Output is correct |
21 |
Correct |
1 ms |
348 KB |
Output is correct |
22 |
Correct |
33 ms |
5128 KB |
Output is correct |
23 |
Correct |
30 ms |
4604 KB |
Output is correct |
24 |
Correct |
24 ms |
3676 KB |
Output is correct |
25 |
Correct |
34 ms |
5132 KB |
Output is correct |
26 |
Correct |
26 ms |
4948 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
25 ms |
3928 KB |
Output is correct |
12 |
Correct |
18 ms |
2652 KB |
Output is correct |
13 |
Correct |
19 ms |
3876 KB |
Output is correct |
14 |
Correct |
28 ms |
4700 KB |
Output is correct |
15 |
Correct |
25 ms |
4688 KB |
Output is correct |
16 |
Correct |
22 ms |
4712 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
0 ms |
348 KB |
Output is correct |
20 |
Correct |
0 ms |
344 KB |
Output is correct |
21 |
Correct |
1 ms |
348 KB |
Output is correct |
22 |
Correct |
33 ms |
5128 KB |
Output is correct |
23 |
Correct |
30 ms |
4604 KB |
Output is correct |
24 |
Correct |
24 ms |
3676 KB |
Output is correct |
25 |
Correct |
34 ms |
5132 KB |
Output is correct |
26 |
Correct |
26 ms |
4948 KB |
Output is correct |
27 |
Correct |
0 ms |
344 KB |
Output is correct |
28 |
Correct |
0 ms |
348 KB |
Output is correct |
29 |
Correct |
0 ms |
348 KB |
Output is correct |
30 |
Correct |
1 ms |
348 KB |
Output is correct |
31 |
Correct |
1 ms |
348 KB |
Output is correct |
32 |
Correct |
0 ms |
348 KB |
Output is correct |
33 |
Correct |
0 ms |
348 KB |
Output is correct |
34 |
Correct |
39 ms |
5336 KB |
Output is correct |
35 |
Correct |
38 ms |
4992 KB |
Output is correct |
36 |
Correct |
41 ms |
5528 KB |
Output is correct |
37 |
Correct |
43 ms |
5464 KB |
Output is correct |
38 |
Correct |
31 ms |
5468 KB |
Output is correct |
39 |
Correct |
17 ms |
3416 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
25 ms |
3928 KB |
Output is correct |
12 |
Correct |
18 ms |
2652 KB |
Output is correct |
13 |
Correct |
19 ms |
3876 KB |
Output is correct |
14 |
Correct |
28 ms |
4700 KB |
Output is correct |
15 |
Correct |
25 ms |
4688 KB |
Output is correct |
16 |
Correct |
22 ms |
4712 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
0 ms |
348 KB |
Output is correct |
20 |
Correct |
0 ms |
344 KB |
Output is correct |
21 |
Correct |
1 ms |
348 KB |
Output is correct |
22 |
Correct |
33 ms |
5128 KB |
Output is correct |
23 |
Correct |
30 ms |
4604 KB |
Output is correct |
24 |
Correct |
24 ms |
3676 KB |
Output is correct |
25 |
Correct |
34 ms |
5132 KB |
Output is correct |
26 |
Correct |
26 ms |
4948 KB |
Output is correct |
27 |
Correct |
0 ms |
344 KB |
Output is correct |
28 |
Correct |
0 ms |
348 KB |
Output is correct |
29 |
Correct |
0 ms |
348 KB |
Output is correct |
30 |
Correct |
1 ms |
348 KB |
Output is correct |
31 |
Correct |
1 ms |
348 KB |
Output is correct |
32 |
Correct |
0 ms |
348 KB |
Output is correct |
33 |
Correct |
0 ms |
348 KB |
Output is correct |
34 |
Correct |
39 ms |
5336 KB |
Output is correct |
35 |
Correct |
38 ms |
4992 KB |
Output is correct |
36 |
Correct |
41 ms |
5528 KB |
Output is correct |
37 |
Correct |
43 ms |
5464 KB |
Output is correct |
38 |
Correct |
31 ms |
5468 KB |
Output is correct |
39 |
Correct |
17 ms |
3416 KB |
Output is correct |
40 |
Correct |
1 ms |
348 KB |
Output is correct |
41 |
Correct |
2 ms |
348 KB |
Output is correct |
42 |
Correct |
1 ms |
468 KB |
Output is correct |
43 |
Correct |
2 ms |
348 KB |
Output is correct |
44 |
Correct |
52 ms |
6056 KB |
Output is correct |
45 |
Correct |
52 ms |
5932 KB |
Output is correct |
46 |
Correct |
53 ms |
5976 KB |
Output is correct |
47 |
Correct |
53 ms |
5980 KB |
Output is correct |
48 |
Correct |
34 ms |
5968 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
0 ms |
348 KB |
Output is correct |
20 |
Correct |
0 ms |
348 KB |
Output is correct |
21 |
Correct |
0 ms |
348 KB |
Output is correct |
22 |
Correct |
0 ms |
348 KB |
Output is correct |
23 |
Correct |
0 ms |
344 KB |
Output is correct |
24 |
Correct |
1 ms |
348 KB |
Output is correct |
25 |
Correct |
0 ms |
348 KB |
Output is correct |
26 |
Correct |
2 ms |
604 KB |
Output is correct |
27 |
Correct |
2 ms |
604 KB |
Output is correct |
28 |
Correct |
2 ms |
604 KB |
Output is correct |
29 |
Correct |
2 ms |
604 KB |
Output is correct |
30 |
Correct |
1 ms |
348 KB |
Output is correct |
31 |
Correct |
1 ms |
604 KB |
Output is correct |
32 |
Correct |
1 ms |
348 KB |
Output is correct |
33 |
Correct |
1 ms |
608 KB |
Output is correct |
34 |
Correct |
2 ms |
856 KB |
Output is correct |
35 |
Correct |
0 ms |
348 KB |
Output is correct |
36 |
Correct |
0 ms |
348 KB |
Output is correct |
37 |
Correct |
1 ms |
472 KB |
Output is correct |
38 |
Correct |
2 ms |
600 KB |
Output is correct |
39 |
Correct |
1 ms |
348 KB |
Output is correct |
40 |
Correct |
0 ms |
348 KB |
Output is correct |
41 |
Correct |
0 ms |
348 KB |
Output is correct |
42 |
Correct |
0 ms |
348 KB |
Output is correct |
43 |
Correct |
0 ms |
348 KB |
Output is correct |
44 |
Correct |
0 ms |
348 KB |
Output is correct |
45 |
Correct |
0 ms |
348 KB |
Output is correct |
46 |
Correct |
0 ms |
348 KB |
Output is correct |
47 |
Correct |
0 ms |
348 KB |
Output is correct |
48 |
Correct |
0 ms |
348 KB |
Output is correct |
49 |
Correct |
0 ms |
348 KB |
Output is correct |
50 |
Correct |
25 ms |
3928 KB |
Output is correct |
51 |
Correct |
18 ms |
2652 KB |
Output is correct |
52 |
Correct |
19 ms |
3876 KB |
Output is correct |
53 |
Correct |
28 ms |
4700 KB |
Output is correct |
54 |
Correct |
25 ms |
4688 KB |
Output is correct |
55 |
Correct |
22 ms |
4712 KB |
Output is correct |
56 |
Correct |
0 ms |
348 KB |
Output is correct |
57 |
Correct |
0 ms |
348 KB |
Output is correct |
58 |
Correct |
0 ms |
348 KB |
Output is correct |
59 |
Correct |
0 ms |
344 KB |
Output is correct |
60 |
Correct |
1 ms |
348 KB |
Output is correct |
61 |
Correct |
33 ms |
5128 KB |
Output is correct |
62 |
Correct |
30 ms |
4604 KB |
Output is correct |
63 |
Correct |
24 ms |
3676 KB |
Output is correct |
64 |
Correct |
34 ms |
5132 KB |
Output is correct |
65 |
Correct |
26 ms |
4948 KB |
Output is correct |
66 |
Correct |
0 ms |
344 KB |
Output is correct |
67 |
Correct |
0 ms |
348 KB |
Output is correct |
68 |
Correct |
0 ms |
348 KB |
Output is correct |
69 |
Correct |
1 ms |
348 KB |
Output is correct |
70 |
Correct |
1 ms |
348 KB |
Output is correct |
71 |
Correct |
0 ms |
348 KB |
Output is correct |
72 |
Correct |
0 ms |
348 KB |
Output is correct |
73 |
Correct |
39 ms |
5336 KB |
Output is correct |
74 |
Correct |
38 ms |
4992 KB |
Output is correct |
75 |
Correct |
41 ms |
5528 KB |
Output is correct |
76 |
Correct |
43 ms |
5464 KB |
Output is correct |
77 |
Correct |
31 ms |
5468 KB |
Output is correct |
78 |
Correct |
17 ms |
3416 KB |
Output is correct |
79 |
Correct |
1 ms |
348 KB |
Output is correct |
80 |
Correct |
2 ms |
348 KB |
Output is correct |
81 |
Correct |
1 ms |
468 KB |
Output is correct |
82 |
Correct |
2 ms |
348 KB |
Output is correct |
83 |
Correct |
52 ms |
6056 KB |
Output is correct |
84 |
Correct |
52 ms |
5932 KB |
Output is correct |
85 |
Correct |
53 ms |
5976 KB |
Output is correct |
86 |
Correct |
53 ms |
5980 KB |
Output is correct |
87 |
Correct |
34 ms |
5968 KB |
Output is correct |
88 |
Correct |
63 ms |
7764 KB |
Output is correct |
89 |
Correct |
70 ms |
7772 KB |
Output is correct |
90 |
Correct |
66 ms |
7840 KB |
Output is correct |
91 |
Correct |
70 ms |
7860 KB |
Output is correct |
92 |
Correct |
70 ms |
6416 KB |
Output is correct |
93 |
Correct |
64 ms |
6776 KB |
Output is correct |
94 |
Correct |
62 ms |
6444 KB |
Output is correct |
95 |
Correct |
43 ms |
7788 KB |
Output is correct |
96 |
Correct |
69 ms |
7844 KB |
Output is correct |
97 |
Correct |
41 ms |
8124 KB |
Output is correct |
98 |
Correct |
30 ms |
6480 KB |
Output is correct |
99 |
Correct |
62 ms |
6484 KB |
Output is correct |