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| #include <bits/stdc++.h>
using namespace std;
string ltrim(const string &);
string rtrim(const string &);
vector<string> split(const string &);
struct SegmentTree {
SegmentTree *left = nullptr, *right = nullptr;
int mi, ma, count = 0;
SegmentTree(vector<int>& nums, int l, int r) {
mi = nums[l];
ma = nums[r];
if(l == r) return;
int m = (l + r) / 2;
if(l <= m)
left = new SegmentTree(nums, l, m);
if(m + 1 <= r)
right = new SegmentTree(nums, m + 1 , r);
}
void insert(int n) {
if(mi <= n and n <= ma) {
count++;
if(left) left->insert(n);
if(right) right->insert(n);
}
}
int qry(int n) {
if(mi > n) return count;
if(ma <= n) return 0;
int res = 0;
if(left) res += left->qry(n);
if(right) res += right->qry(n);
return res;
}
};
vector<int> climbingLeaderboard(vector<int> ranked, vector<int> player) {
unordered_set<int> lookup(ranked.begin(), ranked.end());
for(auto n : player) lookup.insert(n);
vector<int> sorted(lookup.begin(), lookup.end());
sort(sorted.begin(), sorted.end());
SegmentTree* sg = new SegmentTree(sorted, 0, sorted.size() - 1);
unordered_set<int> rank(ranked.begin(), ranked.end());
for(auto n : rank) sg->insert(n);
vector<int> res;
for(auto n : player) {
res.push_back(sg->qry(n) + 1);
if(!rank.count(n))
sg->insert(n);
}
return res;
}
int main()
{
ofstream fout(getenv("OUTPUT_PATH"));
string ranked_count_temp;
getline(cin, ranked_count_temp);
int ranked_count = stoi(ltrim(rtrim(ranked_count_temp)));
string ranked_temp_temp;
getline(cin, ranked_temp_temp);
vector<string> ranked_temp = split(rtrim(ranked_temp_temp));
vector<int> ranked(ranked_count);
for (int i = 0; i < ranked_count; i++) {
int ranked_item = stoi(ranked_temp[i]);
ranked[i] = ranked_item;
}
string player_count_temp;
getline(cin, player_count_temp);
int player_count = stoi(ltrim(rtrim(player_count_temp)));
string player_temp_temp;
getline(cin, player_temp_temp);
vector<string> player_temp = split(rtrim(player_temp_temp));
vector<int> player(player_count);
for (int i = 0; i < player_count; i++) {
int player_item = stoi(player_temp[i]);
player[i] = player_item;
}
vector<int> result = climbingLeaderboard(ranked, player);
for (size_t i = 0; i < result.size(); i++) {
fout << result[i];
if (i != result.size() - 1) {
fout << "\n";
}
}
fout << "\n";
fout.close();
return 0;
}
string ltrim(const string &str) {
string s(str);
s.erase(
s.begin(),
find_if(s.begin(), s.end(), not1(ptr_fun<int, int>(isspace)))
);
return s;
}
string rtrim(const string &str) {
string s(str);
s.erase(
find_if(s.rbegin(), s.rend(), not1(ptr_fun<int, int>(isspace))).base(),
s.end()
);
return s;
}
vector<string> split(const string &str) {
vector<string> tokens;
string::size_type start = 0;
string::size_type end = 0;
while ((end = str.find(" ", start)) != string::npos) {
tokens.push_back(str.substr(start, end - start));
start = end + 1;
}
tokens.push_back(str.substr(start));
return tokens;
}
|
