#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;
template<class T>
using ordered_set=tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
int GetBestPosition(int N, int C, int R, int *K, int *S, int *E) {
ordered_set<pair<int, int>> st;
for (int i=0; i<N; ++i) st.insert({i, i});
vector<pair<int, int>> v;
vector<vector<int>> vl(N), vr(N);
for (int i=0; i<C; ++i){
int l=S[i], r=E[i];
auto it=st.find_by_order(l);
int x=it->first, y=-1;
int cnt=r-l+1;
while (cnt--){
y=it->second;
it=st.erase(it);
}
st.insert({x, y});
v.emplace_back(x, y);
vl[x].push_back(y);
vr[y].push_back(x);
}
int LG=32-__builtin_clz(N-1);
vector<vector<int>> sp(LG, vector<int>(N-1));
for (int i=0; i<N-1; ++i) sp[0][i]=K[i];
for (int k=1; k<LG; ++k) for (int i=0; i+(1<<k)-1<N-1; ++i) sp[k][i]=max(sp[k-1][i], sp[k-1][i+(1<<(k-1))]);
auto query=[&](int l, int r) -> int {
int lg=__lg(r-l+1);
return max(sp[lg][l], sp[lg][r-(1<<lg)+1]);
};
pair<int, int> ans={-1, -1};
int cur=0;
for (int i=0; i<N; ++i){
for (int j:vl[i]){
cur+=query(i, j-1)<R;
}
ans=max(ans, {cur, -i});
for (int j:vr[i]){
cur-=query(j, i-1)<R;
}
}
return -ans.second;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
344 KB |
Output is correct |
3 |
Correct |
1 ms |
344 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
344 KB |
Output is correct |
8 |
Correct |
1 ms |
436 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
348 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
600 KB |
Output is correct |
2 |
Correct |
5 ms |
1112 KB |
Output is correct |
3 |
Correct |
4 ms |
860 KB |
Output is correct |
4 |
Correct |
6 ms |
1116 KB |
Output is correct |
5 |
Correct |
4 ms |
1372 KB |
Output is correct |
6 |
Correct |
5 ms |
1400 KB |
Output is correct |
7 |
Correct |
5 ms |
1116 KB |
Output is correct |
8 |
Correct |
5 ms |
1116 KB |
Output is correct |
9 |
Correct |
3 ms |
860 KB |
Output is correct |
10 |
Correct |
6 ms |
1372 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
72 ms |
10188 KB |
Output is correct |
2 |
Correct |
163 ms |
19184 KB |
Output is correct |
3 |
Correct |
129 ms |
14108 KB |
Output is correct |
4 |
Correct |
171 ms |
21220 KB |
Output is correct |
5 |
Correct |
164 ms |
18920 KB |
Output is correct |
6 |
Correct |
172 ms |
21292 KB |
Output is correct |
7 |
Correct |
175 ms |
19612 KB |
Output is correct |
8 |
Correct |
163 ms |
19208 KB |
Output is correct |
9 |
Correct |
109 ms |
13476 KB |
Output is correct |
10 |
Correct |
115 ms |
19568 KB |
Output is correct |