#include <iostream>
#include <complex>
#include <iomanip>
#include <vector>
#include <algorithm>
#include <functional>
#include <bitset>
#include <queue>
#include <map>
#include <stack>
#include <cmath>
#include <cstdint>
using namespace std;
#define endl '\n'
#define db double
#define ll __int128
#define int long long
#define pb push_back
#define fs first
#define sd second
#define Mod long(1e9 + 7)
#define all(x) x.begin(), x.end()
#define unvisited long(-1)
#define Eps double(1e-9)
#define _for(i, n) for(int i = 0; i < (n); i++)
#define dbg(x) cout << #x ": " << x << endl;
const int Max = 1e6 + 7, Inf = 1e9 + 7;
void print(bool x) { cout << (x ? "YES" : "NO") << endl; }
string tostring (__int128 x)
{
string ans = "";
while(x > 0)
{
ans += (x % 10 + '0');
x /= 10;
}
reverse(all(ans));
return ans;
}
void solve()
{
int n, q; cin >> n >> q;
vector <int> v(n), ans(q, -1);
for(auto& u : v) cin >> u;
vector <vector<int>> f(n + 1, vector <int> ());
vector <pair<int, int>> s(q);
for(int i = 0; i < q; i++){
cin >> s[i].fs >> s[i].sd;
s[i].sd--;
if(s[i].fs <= n){
f[s[i].fs].push_back(i);
}
}
_for(i, Inf)
{
for(auto& u : f[i]){
ans[u] = v[s[u].sd];
}
vector <int> a, b, c;
_for(j, n/2){
a.push_back(v[j]);
b.push_back(v[j+n/2]);
}
reverse(all(a)); reverse(all(b));
while (c.size() != n)
{
if(a.empty()){
if(b.size() == n/2){
i = Inf+1;
}
c.push_back(b.back());
b.pop_back();
}else if(b.empty()){
c.push_back(a.back());
a.pop_back();
}else {
if(a.back() < b.back()){
c.push_back(a.back());
a.pop_back();
}else{
c.push_back(b.back());
b.pop_back();
}
}
}
swap(c, v);
}
_for(i, q) {
if(ans[i] == -1){
ans[i] = v[s[i].sd];
}
cout << ans[i] << endl;
}
}
int32_t main()
{
ios_base::sync_with_stdio(0);
cin.tie(0);
int Q = 1; //cin >> Q;
while (Q--)
{
solve();
}
return 0;
}
Compilation message
Main.cpp: In function 'void solve()':
Main.cpp:77:25: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
77 | while (c.size() != n)
| ~~~~~~~~~^~~~
Main.cpp:80:29: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
80 | if(b.size() == n/2){
| ~~~~~~~~~^~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
151 ms |
45652 KB |
Output is correct |
2 |
Correct |
148 ms |
44092 KB |
Output is correct |
3 |
Correct |
143 ms |
42580 KB |
Output is correct |
4 |
Correct |
137 ms |
40700 KB |
Output is correct |
5 |
Correct |
147 ms |
45200 KB |
Output is correct |
6 |
Correct |
138 ms |
44464 KB |
Output is correct |
7 |
Correct |
169 ms |
46584 KB |
Output is correct |
8 |
Correct |
128 ms |
43264 KB |
Output is correct |
9 |
Correct |
135 ms |
42412 KB |
Output is correct |
10 |
Correct |
140 ms |
41968 KB |
Output is correct |
11 |
Correct |
131 ms |
42320 KB |
Output is correct |
12 |
Correct |
130 ms |
39664 KB |
Output is correct |
13 |
Correct |
139 ms |
40912 KB |
Output is correct |
14 |
Correct |
148 ms |
44372 KB |
Output is correct |
15 |
Correct |
146 ms |
42596 KB |
Output is correct |
16 |
Correct |
1 ms |
348 KB |
Output is correct |
17 |
Correct |
123 ms |
40132 KB |
Output is correct |
18 |
Correct |
122 ms |
40152 KB |
Output is correct |
19 |
Correct |
0 ms |
344 KB |
Output is correct |
20 |
Correct |
1 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
3062 ms |
57528 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
3014 ms |
12464 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
151 ms |
45652 KB |
Output is correct |
2 |
Correct |
148 ms |
44092 KB |
Output is correct |
3 |
Correct |
143 ms |
42580 KB |
Output is correct |
4 |
Correct |
137 ms |
40700 KB |
Output is correct |
5 |
Correct |
147 ms |
45200 KB |
Output is correct |
6 |
Correct |
138 ms |
44464 KB |
Output is correct |
7 |
Correct |
169 ms |
46584 KB |
Output is correct |
8 |
Correct |
128 ms |
43264 KB |
Output is correct |
9 |
Correct |
135 ms |
42412 KB |
Output is correct |
10 |
Correct |
140 ms |
41968 KB |
Output is correct |
11 |
Correct |
131 ms |
42320 KB |
Output is correct |
12 |
Correct |
130 ms |
39664 KB |
Output is correct |
13 |
Correct |
139 ms |
40912 KB |
Output is correct |
14 |
Correct |
148 ms |
44372 KB |
Output is correct |
15 |
Correct |
146 ms |
42596 KB |
Output is correct |
16 |
Correct |
1 ms |
348 KB |
Output is correct |
17 |
Correct |
123 ms |
40132 KB |
Output is correct |
18 |
Correct |
122 ms |
40152 KB |
Output is correct |
19 |
Correct |
0 ms |
344 KB |
Output is correct |
20 |
Correct |
1 ms |
348 KB |
Output is correct |
21 |
Execution timed out |
3062 ms |
57528 KB |
Time limit exceeded |
22 |
Halted |
0 ms |
0 KB |
- |