| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 838582 |
2023-08-27T12:11:54 Z |
tch1cherin |
Gap (APIO16_gap) |
C++17 |
|
52 ms |
3032 KB |
#include "gap.h"
#include <bits/stdc++.h>
using namespace std;
long long findGap(int T, int N) {
if (T == 1) {
long long Min = -1, Max = 1e18l + 1;
vector<long long> front, back;
for (int i = 0; i < (N + 1) / 2; i++) {
MinMax(Min + 1, Max - 1, &Min, &Max);
if (Min != Max) {
front.push_back(Min);
}
back.push_back(Max);
}
reverse(back.begin(), back.end());
vector<long long> A;
for (auto v : front) {
A.push_back(v);
}
for (auto v : back) {
A.push_back(v);
}
long long gap = 0;
for (int i = 0; i < N - 1; i++) {
gap = max(gap, A[i + 1] - A[i]);
}
return gap;
} else {
long long Min, Max;
MinMax(0, 1e18, &Min, &Max);
queue<pair<long long, long long>> Q;
Q.push({Min, Max});
long long maxConfirmed = (Max - Min + N - 2) / (N - 1);
uniform_real_distribution<long double> dist(0, 1);
mt19937 rng(chrono::steady_clock().now().time_since_epoch().count());
while (!Q.empty()) {
auto [l, r] = Q.front();
Q.pop();
if (r - l <= maxConfirmed) {
continue;
}
long long Minl = -1, Maxl = -1, Minr = -1, Maxr = -1;
// int children = max(2, min((N + 1) / 2 + 1, (int)sqrt(N)));
int children = min((N + 1) / 2 + 1, 300);
for (int i = 0; i < children; i++) {
long long start = min(r, (long long)floorl(l + (r - l + 1) * ((1.0l / children) * i)));
long long end = min(r, (long long)floorl(l + (r - l + 1) * ((1.0l / children) * (i + 1))) - 1);
if (start > end) {
continue;
}
MinMax(start, end, &Minr, &Maxr);
if (Minr != -1) {
if (Maxl != -1) {
maxConfirmed = max(maxConfirmed, Minr - Maxl);
}
Minl = Minr;
Maxl = Maxr;
Q.push({Minr, Maxr});
}
}
}
return maxConfirmed;
}
}
Compilation message
gap.cpp: In function 'long long int findGap(int, int)':
gap.cpp:43:14: warning: variable 'Minl' set but not used [-Wunused-but-set-variable]
43 | long long Minl = -1, Maxl = -1, Minr = -1, Maxr = -1;
| ^~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
208 KB |
Output is correct |
| 2 |
Correct |
1 ms |
208 KB |
Output is correct |
| 3 |
Correct |
1 ms |
208 KB |
Output is correct |
| 4 |
Correct |
0 ms |
208 KB |
Output is correct |
| 5 |
Correct |
0 ms |
208 KB |
Output is correct |
| 6 |
Correct |
0 ms |
208 KB |
Output is correct |
| 7 |
Correct |
0 ms |
208 KB |
Output is correct |
| 8 |
Correct |
0 ms |
208 KB |
Output is correct |
| 9 |
Correct |
0 ms |
208 KB |
Output is correct |
| 10 |
Correct |
0 ms |
208 KB |
Output is correct |
| 11 |
Correct |
1 ms |
336 KB |
Output is correct |
| 12 |
Correct |
1 ms |
336 KB |
Output is correct |
| 13 |
Correct |
1 ms |
336 KB |
Output is correct |
| 14 |
Correct |
1 ms |
336 KB |
Output is correct |
| 15 |
Correct |
1 ms |
336 KB |
Output is correct |
| 16 |
Correct |
10 ms |
1144 KB |
Output is correct |
| 17 |
Correct |
7 ms |
1104 KB |
Output is correct |
| 18 |
Correct |
8 ms |
1132 KB |
Output is correct |
| 19 |
Correct |
7 ms |
1104 KB |
Output is correct |
| 20 |
Correct |
6 ms |
1104 KB |
Output is correct |
| 21 |
Correct |
28 ms |
3024 KB |
Output is correct |
| 22 |
Correct |
29 ms |
3004 KB |
Output is correct |
| 23 |
Correct |
36 ms |
3016 KB |
Output is correct |
| 24 |
Correct |
29 ms |
3032 KB |
Output is correct |
| 25 |
Correct |
27 ms |
3008 KB |
Output is correct |
| 26 |
Correct |
28 ms |
3020 KB |
Output is correct |
| 27 |
Correct |
33 ms |
3008 KB |
Output is correct |
| 28 |
Correct |
28 ms |
2984 KB |
Output is correct |
| 29 |
Correct |
32 ms |
3012 KB |
Output is correct |
| 30 |
Correct |
25 ms |
3016 KB |
Output is correct |
| 31 |
Correct |
0 ms |
208 KB |
Output is correct |
| 32 |
Correct |
0 ms |
208 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
208 KB |
Output is correct |
| 2 |
Correct |
0 ms |
208 KB |
Output is correct |
| 3 |
Correct |
0 ms |
208 KB |
Output is correct |
| 4 |
Correct |
0 ms |
208 KB |
Output is correct |
| 5 |
Correct |
0 ms |
208 KB |
Output is correct |
| 6 |
Correct |
0 ms |
208 KB |
Output is correct |
| 7 |
Correct |
0 ms |
208 KB |
Output is correct |
| 8 |
Correct |
0 ms |
208 KB |
Output is correct |
| 9 |
Correct |
0 ms |
208 KB |
Output is correct |
| 10 |
Correct |
0 ms |
208 KB |
Output is correct |
| 11 |
Correct |
1 ms |
208 KB |
Output is correct |
| 12 |
Correct |
1 ms |
336 KB |
Output is correct |
| 13 |
Correct |
1 ms |
336 KB |
Output is correct |
| 14 |
Correct |
1 ms |
336 KB |
Output is correct |
| 15 |
Partially correct |
16 ms |
336 KB |
Partially correct |
| 16 |
Partially correct |
29 ms |
872 KB |
Partially correct |
| 17 |
Partially correct |
27 ms |
840 KB |
Partially correct |
| 18 |
Partially correct |
27 ms |
840 KB |
Partially correct |
| 19 |
Partially correct |
27 ms |
832 KB |
Partially correct |
| 20 |
Correct |
2 ms |
480 KB |
Output is correct |
| 21 |
Partially correct |
47 ms |
2000 KB |
Partially correct |
| 22 |
Partially correct |
48 ms |
1992 KB |
Partially correct |
| 23 |
Partially correct |
48 ms |
2100 KB |
Partially correct |
| 24 |
Partially correct |
48 ms |
2072 KB |
Partially correct |
| 25 |
Partially correct |
46 ms |
2484 KB |
Partially correct |
| 26 |
Partially correct |
52 ms |
2120 KB |
Partially correct |
| 27 |
Partially correct |
48 ms |
1960 KB |
Partially correct |
| 28 |
Partially correct |
48 ms |
2068 KB |
Partially correct |
| 29 |
Partially correct |
52 ms |
2072 KB |
Partially correct |
| 30 |
Correct |
8 ms |
1104 KB |
Output is correct |
| 31 |
Correct |
1 ms |
208 KB |
Output is correct |
| 32 |
Correct |
0 ms |
208 KB |
Output is correct |
