QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #519727 | #6334. Passport | Qwerty1232# | 6 | 23ms | 4736kb | C++23 | 962b | 2024-08-15 00:44:29 | 2024-08-15 00:44:30 |
Judging History
answer
#include <bits/stdc++.h>
int32_t main() {
std::ios_base::sync_with_stdio(false);
std::cin.tie(nullptr);
int n;
std::cin >> n;
std::vector<std::pair<int, int>> input(n);
for (auto& [l, r] : input) {
std::cin >> l >> r;
l--;
}
int q;
std::cin >> q;
for (int i = 0; i < q; i++) {
int x;
std::cin >> x;
x--;
if (x == 0) {
int ans = 1;
int r = input[0].second;
int r0 = 0;
while (r != n) {
int r2 = r;
for (int& i = r0; i < r; i++) {
r2 = std::max(r2, input[i].second);
}
if (r2 == r) {
ans = -1;
break;
}
ans++, r = r2;
}
std::cout << ans << "\n";
continue;
}
}
return 0;
}
Details
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Subtask #1:
score: 6
Accepted
Test #1:
score: 6
Accepted
time: 0ms
memory: 3572kb
input:
2 1 1 1 2 1 1
output:
-1
result:
ok single line: '-1'
Test #2:
score: 6
Accepted
time: 0ms
memory: 3584kb
input:
2 1 2 2 2 1 1
output:
1
result:
ok single line: '1'
Test #3:
score: 6
Accepted
time: 18ms
memory: 4612kb
input:
196001 1 408 2 37822 1 1221 1 160899 4 62751 3 21706 2 4118 8 70696 8 4916 3 24286 9 443 8 171744 11 170980 7 3541 12 16428 8 71164 1 186827 11 234 2 23141 4 17143 21 9522 10 24 19 15936 3 15884 17 426 14 3188 17 168317 4 1560 25 35 16 39439 21 122 4 17507 8 97645 11 824 25 59856 30 9265 7 151420 37...
output:
3
result:
ok single line: '3'
Test #4:
score: 6
Accepted
time: 18ms
memory: 4636kb
input:
198001 1 17 1 19 1 4 2 20 3 15 6 10 1 20 3 9 3 9 10 19 6 27 8 29 12 24 3 23 8 23 16 19 11 23 1 19 13 30 19 32 4 28 15 33 23 33 8 36 16 30 23 40 11 42 27 34 20 30 21 36 31 39 30 35 32 33 29 48 27 43 33 41 25 53 28 51 29 56 37 55 35 54 36 52 35 44 31 58 36 54 42 56 47 49 41 59 37 64 44 50 34 55 41 56 ...
output:
15219
result:
ok single line: '15219'
Test #5:
score: 6
Accepted
time: 18ms
memory: 4736kb
input:
200000 1 2 1 3 2 4 3 5 4 6 5 7 6 8 7 9 8 10 9 11 10 12 11 13 12 14 13 15 14 16 15 17 16 18 17 19 18 20 19 21 20 22 21 23 22 24 23 25 24 26 25 27 26 28 27 29 28 30 29 31 30 32 31 33 32 34 33 35 34 36 35 37 36 38 37 39 38 40 39 41 40 42 41 43 42 44 43 45 44 46 45 47 46 48 47 49 48 50 49 51 50 52 51 53...
output:
199999
result:
ok single line: '199999'
Test #6:
score: 6
Accepted
time: 14ms
memory: 4728kb
input:
195000 1 195000 1 195000 1 195000 1 195000 1 195000 1 195000 1 195000 1 195000 1 195000 1 195000 1 195000 1 195000 1 195000 1 195000 1 195000 1 195000 1 195000 1 195000 1 195000 1 195000 1 195000 1 195000 1 195000 1 195000 1 195000 1 195000 1 195000 1 195000 1 195000 1 195000 1 195000 1 195000 1 195...
output:
1
result:
ok single line: '1'
Test #7:
score: 6
Accepted
time: 13ms
memory: 4540kb
input:
156789 1 78394 1 78394 1 78394 1 78394 1 78394 1 78394 1 78394 1 78394 1 78394 1 78394 1 78394 1 78394 1 78394 1 78394 1 78394 1 78394 1 78394 1 78394 1 78394 1 78394 1 78394 1 78394 1 78394 1 78394 1 78394 1 78394 1 78394 1 78394 1 78394 1 78394 1 78394 1 78394 1 78394 1 78394 1 78394 1 78394 1 783...
output:
-1
result:
ok single line: '-1'
Subtask #2:
score: 0
Wrong Answer
Test #8:
score: 0
Wrong Answer
time: 0ms
memory: 3636kb
input:
2 1 1 1 2 1 2
output:
result:
wrong answer 1st lines differ - expected: '1', found: ''
Subtask #3:
score: 0
Wrong Answer
Test #19:
score: 0
Wrong Answer
time: 0ms
memory: 3580kb
input:
2337 1 3 2 77 1 1397 2 222 3 62 6 1896 7 10 6 950 9 9 10 16 11 455 9 588 13 16 7 1245 9 1342 8 1727 7 122 11 653 9 1094 2 57 11 81 19 1290 6 1584 16 79 14 215 21 61 27 27 16 1458 16 198 26 180 31 31 11 240 33 36 11 121 34 1542 9 1752 14 456 36 43 36 2244 40 40 4 517 42 662 31 1350 33 162 30 843 28 1...
output:
result:
wrong answer 1st lines differ - expected: '4', found: ''
Subtask #4:
score: 0
Wrong Answer
Test #28:
score: 0
Wrong Answer
time: 1ms
memory: 3632kb
input:
2419 1 883 1 29 3 41 4 2201 1 808 6 45 7 1456 6 134 6 1372 1 1776 4 441 7 208 5 28 4 604 7 56 9 617 8 2115 15 60 13 456 10 2071 18 23 18 39 5 39 21 35 4 75 25 44 24 640 21 30 4 860 30 31 18 78 32 779 1 927 33 34 19 59 34 181 21 502 23 155 39 39 2 254 30 641 42 50 10 2000 41 2220 18 632 35 48 27 905 ...
output:
3
result:
wrong answer 2nd lines differ - expected: '3', found: ''
Subtask #5:
score: 0
Wrong Answer
Test #33:
score: 0
Wrong Answer
time: 23ms
memory: 4724kb
input:
196830 1 67357 2 183304 3 23390 4 54 1 145887 3 27807 3 12376 1 1013 3 113274 3 191874 6 23342 9 2113 13 94245 3 141449 10 1727 3 51 17 99028 6 193803 8 7452 6 121537 9 23658 18 611 6 4756 4 5141 8 8547 8 66922 13 7021 9 72 3 53043 16 167381 2 15530 5 192 33 33 9 92655 10 36182 20 19992 36 24454 1 6...
output:
3
result:
wrong answer 2nd lines differ - expected: '3', found: ''