| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 31572 |
2017-08-30T01:46:01 Z |
user202729 |
Hacker (BOI15_hac) |
C++14 |
|
173 ms |
11948 KB |
// https://oj.uz/problem/view/BOI15_hac
#include <iostream>
#include <vector>
#include <deque>
typedef std::pair<int,int> ii;
int main() {
int n;
std::cin >> n;
std::vector<int> value (n), segvalue (n);
for (int& i : value) std::cin >> i;
value.insert(value.end(), value.begin(), value.end());
// for (int& i : value) std::cout << i << ' ';
for (int i = 1; i < 2 * n; ++i) value[i] += value[i-1]; // conv to sum table
int seglen = (n+1)/2;
for (int i = 0; i < n; ++i) segvalue[i] = value[i+seglen] - value[i];
value.clear(); // no longer need value
segvalue.insert(segvalue.end(), segvalue.begin(), segvalue.end());
std::deque<ii> candidatepairs; // need to calculate min of windows, then pick the max of min's
// ii : index -> value (in segvalue)
for (int i = 0; i < seglen-1; ++i) {
while ((!candidatepairs.empty()) && candidatepairs.back().second >= segvalue[i])
candidatepairs.pop_back();
candidatepairs.emplace_back(i, segvalue[i]);
}
int result = -1; // need to get max
for (int i = 0; i < n; ++i) {
// segment [i .. i+seglen)
// insert i+seglen-1
int j = i+seglen-1;
while ((!candidatepairs.empty()) && candidatepairs.back().second >= segvalue[j])
candidatepairs.pop_back();
candidatepairs.emplace_back(j, segvalue[j]);
// delete anything < i
while ((!candidatepairs.empty()) && candidatepairs.front().first < i) candidatepairs.pop_front();
// and get the min
result = std::max(result, candidatepairs.front().second);
}
std::cout << result << '\n';
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 2 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 3 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 4 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 5 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 6 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 7 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 8 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 9 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 10 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 11 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 12 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 13 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 14 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 15 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 16 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 17 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 18 |
Correct |
0 ms |
2020 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 2 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 3 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 4 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 5 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 6 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 7 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 8 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 9 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 10 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 11 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 12 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 13 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 14 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 15 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 16 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 17 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 18 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 19 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 20 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 21 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 22 |
Correct |
0 ms |
2168 KB |
Output is correct |
| 23 |
Correct |
0 ms |
2176 KB |
Output is correct |
| 24 |
Correct |
0 ms |
2168 KB |
Output is correct |
| 25 |
Correct |
0 ms |
2176 KB |
Output is correct |
| 26 |
Correct |
0 ms |
2176 KB |
Output is correct |
| 27 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 28 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 29 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 30 |
Correct |
0 ms |
2176 KB |
Output is correct |
| 31 |
Correct |
0 ms |
2176 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 2 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 3 |
Correct |
0 ms |
2176 KB |
Output is correct |
| 4 |
Correct |
23 ms |
3592 KB |
Output is correct |
| 5 |
Correct |
56 ms |
5932 KB |
Output is correct |
| 6 |
Correct |
73 ms |
6912 KB |
Output is correct |
| 7 |
Correct |
93 ms |
7880 KB |
Output is correct |
| 8 |
Correct |
153 ms |
11792 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 2 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 3 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 4 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 5 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 6 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 7 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 8 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 9 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 10 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 11 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 12 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 13 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 14 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 15 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 16 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 17 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 18 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 19 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 20 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 21 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 22 |
Correct |
0 ms |
2168 KB |
Output is correct |
| 23 |
Correct |
0 ms |
2176 KB |
Output is correct |
| 24 |
Correct |
0 ms |
2168 KB |
Output is correct |
| 25 |
Correct |
0 ms |
2176 KB |
Output is correct |
| 26 |
Correct |
0 ms |
2176 KB |
Output is correct |
| 27 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 28 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 29 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 30 |
Correct |
0 ms |
2176 KB |
Output is correct |
| 31 |
Correct |
0 ms |
2176 KB |
Output is correct |
| 32 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 33 |
Correct |
0 ms |
2020 KB |
Output is correct |
| 34 |
Correct |
0 ms |
2176 KB |
Output is correct |
| 35 |
Correct |
23 ms |
3592 KB |
Output is correct |
| 36 |
Correct |
56 ms |
5932 KB |
Output is correct |
| 37 |
Correct |
73 ms |
6912 KB |
Output is correct |
| 38 |
Correct |
93 ms |
7880 KB |
Output is correct |
| 39 |
Correct |
153 ms |
11792 KB |
Output is correct |
| 40 |
Correct |
3 ms |
2332 KB |
Output is correct |
| 41 |
Correct |
6 ms |
2496 KB |
Output is correct |
| 42 |
Correct |
9 ms |
2684 KB |
Output is correct |
| 43 |
Correct |
66 ms |
5932 KB |
Output is correct |
| 44 |
Correct |
159 ms |
11792 KB |
Output is correct |
| 45 |
Correct |
26 ms |
3980 KB |
Output is correct |
| 46 |
Correct |
96 ms |
7880 KB |
Output is correct |
| 47 |
Correct |
153 ms |
11792 KB |
Output is correct |
| 48 |
Correct |
173 ms |
11792 KB |
Output is correct |
| 49 |
Correct |
119 ms |
11948 KB |
Output is correct |
| 50 |
Correct |
119 ms |
11948 KB |
Output is correct |
