/**
* author: wxhtzdy
* created: 16.07.2022 13:52:34
**/
#include <bits/stdc++.h>
using namespace std;
int main() {
ios::sync_with_stdio(false);
cin.tie(0);
int n;
cin >> n;
vector<vector<int>> a(n, vector<int>(3));
for (int i = 0; i < n; i++) {
for (int j = 0; j < 3; j++) {
cin >> a[i][j];
}
}
vector<set<pair<int, int>>> st(3);
for (int i = 0; i < n; i++) {
for (int j = 0; j < 3; j++) {
st[j].emplace(a[i][j], i);
}
}
vector<bool> is(n);
while (!st[0].empty() && !st[1].empty() && !st[2].empty()) {
bool ok = true;
for (int i = 0; i < 3; i++) {
int idx = prev(st[i].end())->second;
for (int j = 0; j < 3; j++) {
if (i == j) {
continue;
}
if (a[idx][j] >= a[prev(st[j].end())->second][j]) {
ok = false;
is[idx] = true;
}
}
}
if (ok) {
int ans = 0;
for (int i = 0; i < 3; i++) {
ans += prev(st[i].end())->first;
}
cout << ans << '\n';
return 0;
}
for (int i = 0; i < 3; i++) {
while (!st[i].empty() && is[prev(st[i].end())->second]) {
st[i].erase(prev(st[i].end()));
}
}
}
cout << -1 << '\n';
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
320 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
0 ms |
212 KB |
Output is correct |
11 |
Correct |
0 ms |
212 KB |
Output is correct |
12 |
Correct |
0 ms |
316 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
324 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
1 ms |
324 KB |
Output is correct |
17 |
Correct |
1 ms |
340 KB |
Output is correct |
18 |
Correct |
1 ms |
264 KB |
Output is correct |
19 |
Correct |
1 ms |
340 KB |
Output is correct |
20 |
Correct |
1 ms |
340 KB |
Output is correct |
21 |
Correct |
1 ms |
340 KB |
Output is correct |
22 |
Correct |
1 ms |
340 KB |
Output is correct |
23 |
Correct |
1 ms |
324 KB |
Output is correct |
24 |
Correct |
1 ms |
340 KB |
Output is correct |
25 |
Correct |
1 ms |
340 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
320 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
0 ms |
212 KB |
Output is correct |
11 |
Correct |
0 ms |
212 KB |
Output is correct |
12 |
Correct |
0 ms |
316 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
324 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
1 ms |
324 KB |
Output is correct |
17 |
Correct |
1 ms |
340 KB |
Output is correct |
18 |
Correct |
1 ms |
264 KB |
Output is correct |
19 |
Correct |
1 ms |
340 KB |
Output is correct |
20 |
Correct |
1 ms |
340 KB |
Output is correct |
21 |
Correct |
1 ms |
340 KB |
Output is correct |
22 |
Correct |
1 ms |
340 KB |
Output is correct |
23 |
Correct |
1 ms |
324 KB |
Output is correct |
24 |
Correct |
1 ms |
340 KB |
Output is correct |
25 |
Correct |
1 ms |
340 KB |
Output is correct |
26 |
Correct |
4 ms |
1108 KB |
Output is correct |
27 |
Correct |
4 ms |
1108 KB |
Output is correct |
28 |
Correct |
4 ms |
1108 KB |
Output is correct |
29 |
Correct |
5 ms |
1108 KB |
Output is correct |
30 |
Correct |
3 ms |
848 KB |
Output is correct |
31 |
Correct |
4 ms |
1048 KB |
Output is correct |
32 |
Correct |
5 ms |
1132 KB |
Output is correct |
33 |
Correct |
4 ms |
1108 KB |
Output is correct |
34 |
Correct |
5 ms |
1104 KB |
Output is correct |
35 |
Correct |
1 ms |
468 KB |
Output is correct |
36 |
Correct |
1 ms |
468 KB |
Output is correct |
37 |
Correct |
3 ms |
1108 KB |
Output is correct |
38 |
Correct |
4 ms |
1108 KB |
Output is correct |
39 |
Correct |
3 ms |
724 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
316 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
320 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
166 ms |
30544 KB |
Output is correct |
12 |
Correct |
126 ms |
20356 KB |
Output is correct |
13 |
Correct |
105 ms |
25164 KB |
Output is correct |
14 |
Correct |
154 ms |
30544 KB |
Output is correct |
15 |
Correct |
126 ms |
30452 KB |
Output is correct |
16 |
Correct |
133 ms |
30540 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
316 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
320 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
166 ms |
30544 KB |
Output is correct |
12 |
Correct |
126 ms |
20356 KB |
Output is correct |
13 |
Correct |
105 ms |
25164 KB |
Output is correct |
14 |
Correct |
154 ms |
30544 KB |
Output is correct |
15 |
Correct |
126 ms |
30452 KB |
Output is correct |
16 |
Correct |
133 ms |
30540 KB |
Output is correct |
17 |
Correct |
1 ms |
212 KB |
Output is correct |
18 |
Correct |
0 ms |
212 KB |
Output is correct |
19 |
Correct |
0 ms |
212 KB |
Output is correct |
20 |
Correct |
1 ms |
324 KB |
Output is correct |
21 |
Correct |
2 ms |
724 KB |
Output is correct |
22 |
Correct |
186 ms |
30716 KB |
Output is correct |
23 |
Correct |
190 ms |
29844 KB |
Output is correct |
24 |
Correct |
136 ms |
22236 KB |
Output is correct |
25 |
Correct |
225 ms |
30680 KB |
Output is correct |
26 |
Correct |
136 ms |
30664 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
316 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
320 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
166 ms |
30544 KB |
Output is correct |
12 |
Correct |
126 ms |
20356 KB |
Output is correct |
13 |
Correct |
105 ms |
25164 KB |
Output is correct |
14 |
Correct |
154 ms |
30544 KB |
Output is correct |
15 |
Correct |
126 ms |
30452 KB |
Output is correct |
16 |
Correct |
133 ms |
30540 KB |
Output is correct |
17 |
Correct |
1 ms |
212 KB |
Output is correct |
18 |
Correct |
0 ms |
212 KB |
Output is correct |
19 |
Correct |
0 ms |
212 KB |
Output is correct |
20 |
Correct |
1 ms |
324 KB |
Output is correct |
21 |
Correct |
2 ms |
724 KB |
Output is correct |
22 |
Correct |
186 ms |
30716 KB |
Output is correct |
23 |
Correct |
190 ms |
29844 KB |
Output is correct |
24 |
Correct |
136 ms |
22236 KB |
Output is correct |
25 |
Correct |
225 ms |
30680 KB |
Output is correct |
26 |
Correct |
136 ms |
30664 KB |
Output is correct |
27 |
Correct |
1 ms |
340 KB |
Output is correct |
28 |
Correct |
1 ms |
340 KB |
Output is correct |
29 |
Correct |
1 ms |
340 KB |
Output is correct |
30 |
Correct |
1 ms |
340 KB |
Output is correct |
31 |
Correct |
5 ms |
1108 KB |
Output is correct |
32 |
Correct |
2 ms |
468 KB |
Output is correct |
33 |
Correct |
1 ms |
468 KB |
Output is correct |
34 |
Correct |
248 ms |
29756 KB |
Output is correct |
35 |
Correct |
251 ms |
28212 KB |
Output is correct |
36 |
Correct |
300 ms |
31164 KB |
Output is correct |
37 |
Correct |
259 ms |
31080 KB |
Output is correct |
38 |
Correct |
168 ms |
30624 KB |
Output is correct |
39 |
Correct |
104 ms |
18932 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
316 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
320 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
166 ms |
30544 KB |
Output is correct |
12 |
Correct |
126 ms |
20356 KB |
Output is correct |
13 |
Correct |
105 ms |
25164 KB |
Output is correct |
14 |
Correct |
154 ms |
30544 KB |
Output is correct |
15 |
Correct |
126 ms |
30452 KB |
Output is correct |
16 |
Correct |
133 ms |
30540 KB |
Output is correct |
17 |
Correct |
1 ms |
212 KB |
Output is correct |
18 |
Correct |
0 ms |
212 KB |
Output is correct |
19 |
Correct |
0 ms |
212 KB |
Output is correct |
20 |
Correct |
1 ms |
324 KB |
Output is correct |
21 |
Correct |
2 ms |
724 KB |
Output is correct |
22 |
Correct |
186 ms |
30716 KB |
Output is correct |
23 |
Correct |
190 ms |
29844 KB |
Output is correct |
24 |
Correct |
136 ms |
22236 KB |
Output is correct |
25 |
Correct |
225 ms |
30680 KB |
Output is correct |
26 |
Correct |
136 ms |
30664 KB |
Output is correct |
27 |
Correct |
1 ms |
340 KB |
Output is correct |
28 |
Correct |
1 ms |
340 KB |
Output is correct |
29 |
Correct |
1 ms |
340 KB |
Output is correct |
30 |
Correct |
1 ms |
340 KB |
Output is correct |
31 |
Correct |
5 ms |
1108 KB |
Output is correct |
32 |
Correct |
2 ms |
468 KB |
Output is correct |
33 |
Correct |
1 ms |
468 KB |
Output is correct |
34 |
Correct |
248 ms |
29756 KB |
Output is correct |
35 |
Correct |
251 ms |
28212 KB |
Output is correct |
36 |
Correct |
300 ms |
31164 KB |
Output is correct |
37 |
Correct |
259 ms |
31080 KB |
Output is correct |
38 |
Correct |
168 ms |
30624 KB |
Output is correct |
39 |
Correct |
104 ms |
18932 KB |
Output is correct |
40 |
Correct |
4 ms |
840 KB |
Output is correct |
41 |
Correct |
4 ms |
1096 KB |
Output is correct |
42 |
Correct |
3 ms |
1100 KB |
Output is correct |
43 |
Correct |
3 ms |
1108 KB |
Output is correct |
44 |
Correct |
340 ms |
31780 KB |
Output is correct |
45 |
Correct |
387 ms |
31688 KB |
Output is correct |
46 |
Correct |
341 ms |
31788 KB |
Output is correct |
47 |
Correct |
354 ms |
31820 KB |
Output is correct |
48 |
Correct |
205 ms |
31676 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
320 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
0 ms |
212 KB |
Output is correct |
11 |
Correct |
0 ms |
212 KB |
Output is correct |
12 |
Correct |
0 ms |
316 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
324 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
1 ms |
324 KB |
Output is correct |
17 |
Correct |
1 ms |
340 KB |
Output is correct |
18 |
Correct |
1 ms |
264 KB |
Output is correct |
19 |
Correct |
1 ms |
340 KB |
Output is correct |
20 |
Correct |
1 ms |
340 KB |
Output is correct |
21 |
Correct |
1 ms |
340 KB |
Output is correct |
22 |
Correct |
1 ms |
340 KB |
Output is correct |
23 |
Correct |
1 ms |
324 KB |
Output is correct |
24 |
Correct |
1 ms |
340 KB |
Output is correct |
25 |
Correct |
1 ms |
340 KB |
Output is correct |
26 |
Correct |
4 ms |
1108 KB |
Output is correct |
27 |
Correct |
4 ms |
1108 KB |
Output is correct |
28 |
Correct |
4 ms |
1108 KB |
Output is correct |
29 |
Correct |
5 ms |
1108 KB |
Output is correct |
30 |
Correct |
3 ms |
848 KB |
Output is correct |
31 |
Correct |
4 ms |
1048 KB |
Output is correct |
32 |
Correct |
5 ms |
1132 KB |
Output is correct |
33 |
Correct |
4 ms |
1108 KB |
Output is correct |
34 |
Correct |
5 ms |
1104 KB |
Output is correct |
35 |
Correct |
1 ms |
468 KB |
Output is correct |
36 |
Correct |
1 ms |
468 KB |
Output is correct |
37 |
Correct |
3 ms |
1108 KB |
Output is correct |
38 |
Correct |
4 ms |
1108 KB |
Output is correct |
39 |
Correct |
3 ms |
724 KB |
Output is correct |
40 |
Correct |
1 ms |
212 KB |
Output is correct |
41 |
Correct |
1 ms |
316 KB |
Output is correct |
42 |
Correct |
1 ms |
212 KB |
Output is correct |
43 |
Correct |
1 ms |
212 KB |
Output is correct |
44 |
Correct |
1 ms |
212 KB |
Output is correct |
45 |
Correct |
1 ms |
320 KB |
Output is correct |
46 |
Correct |
1 ms |
212 KB |
Output is correct |
47 |
Correct |
1 ms |
212 KB |
Output is correct |
48 |
Correct |
1 ms |
212 KB |
Output is correct |
49 |
Correct |
1 ms |
212 KB |
Output is correct |
50 |
Correct |
166 ms |
30544 KB |
Output is correct |
51 |
Correct |
126 ms |
20356 KB |
Output is correct |
52 |
Correct |
105 ms |
25164 KB |
Output is correct |
53 |
Correct |
154 ms |
30544 KB |
Output is correct |
54 |
Correct |
126 ms |
30452 KB |
Output is correct |
55 |
Correct |
133 ms |
30540 KB |
Output is correct |
56 |
Correct |
1 ms |
212 KB |
Output is correct |
57 |
Correct |
0 ms |
212 KB |
Output is correct |
58 |
Correct |
0 ms |
212 KB |
Output is correct |
59 |
Correct |
1 ms |
324 KB |
Output is correct |
60 |
Correct |
2 ms |
724 KB |
Output is correct |
61 |
Correct |
186 ms |
30716 KB |
Output is correct |
62 |
Correct |
190 ms |
29844 KB |
Output is correct |
63 |
Correct |
136 ms |
22236 KB |
Output is correct |
64 |
Correct |
225 ms |
30680 KB |
Output is correct |
65 |
Correct |
136 ms |
30664 KB |
Output is correct |
66 |
Correct |
1 ms |
340 KB |
Output is correct |
67 |
Correct |
1 ms |
340 KB |
Output is correct |
68 |
Correct |
1 ms |
340 KB |
Output is correct |
69 |
Correct |
1 ms |
340 KB |
Output is correct |
70 |
Correct |
5 ms |
1108 KB |
Output is correct |
71 |
Correct |
2 ms |
468 KB |
Output is correct |
72 |
Correct |
1 ms |
468 KB |
Output is correct |
73 |
Correct |
248 ms |
29756 KB |
Output is correct |
74 |
Correct |
251 ms |
28212 KB |
Output is correct |
75 |
Correct |
300 ms |
31164 KB |
Output is correct |
76 |
Correct |
259 ms |
31080 KB |
Output is correct |
77 |
Correct |
168 ms |
30624 KB |
Output is correct |
78 |
Correct |
104 ms |
18932 KB |
Output is correct |
79 |
Correct |
4 ms |
840 KB |
Output is correct |
80 |
Correct |
4 ms |
1096 KB |
Output is correct |
81 |
Correct |
3 ms |
1100 KB |
Output is correct |
82 |
Correct |
3 ms |
1108 KB |
Output is correct |
83 |
Correct |
340 ms |
31780 KB |
Output is correct |
84 |
Correct |
387 ms |
31688 KB |
Output is correct |
85 |
Correct |
341 ms |
31788 KB |
Output is correct |
86 |
Correct |
354 ms |
31820 KB |
Output is correct |
87 |
Correct |
205 ms |
31676 KB |
Output is correct |
88 |
Correct |
313 ms |
33476 KB |
Output is correct |
89 |
Correct |
327 ms |
33500 KB |
Output is correct |
90 |
Correct |
345 ms |
33488 KB |
Output is correct |
91 |
Correct |
341 ms |
33452 KB |
Output is correct |
92 |
Correct |
338 ms |
32112 KB |
Output is correct |
93 |
Correct |
344 ms |
32432 KB |
Output is correct |
94 |
Correct |
352 ms |
32348 KB |
Output is correct |
95 |
Correct |
193 ms |
33344 KB |
Output is correct |
96 |
Correct |
223 ms |
33508 KB |
Output is correct |
97 |
Correct |
157 ms |
33604 KB |
Output is correct |
98 |
Correct |
134 ms |
32180 KB |
Output is correct |
99 |
Correct |
154 ms |
32328 KB |
Output is correct |