#include <bits/stdc++.h>
using namespace std;
#define sz(x) (int) (x).size()
#define all(x) (x).begin(), (x).end()
#define show(x) cerr << #x << " is " << x << endl;
#define show2(x,y) cerr << #x << " is " << x << " " << #y << " is " << y << endl;
#define show3(x,y,z) cerr << #x << " is " << x << " " << #y << " is " << y << " " << #z << " is " << z << endl;
typedef long long lint;
typedef pair<lint,lint> ii;
int arr[400005];
int target[400005];
int n, R;
int me;
///for strong
vector<int> candidates[600005];
int solve(int s){
target[me] = s;
for(int i = 1;i <= 2*n;i++){
int newi = i + (i >= 2*s);
target[arr[i]] = (newi+1)/2;
}
//for(int i = 1;i <= 2*n;i++) show2(i, target[i]);
if(me >= n+2){ ///weak
set<int> available;
for(int i = 2;i <= n;i++) available.insert(i);
for(int i = 2*n;i >= me;i--){
auto it = available.upper_bound(target[i]);
if(it == available.begin()) it = --available.end();
else it--;
if(i == me) return *it;
available.erase(it);
}
}
else{ ///strong
for(int i = 1;i <= 3*n;i++) candidates[i].clear();
for(int i = 1;i <= 2*n;i++){
candidates[target[i]].push_back(i);
}
if(candidates[1][0] < candidates[1][1]) swap(candidates[1][0], candidates[1][1]);
int winner = candidates[1][1]; candidates[1].pop_back();
priority_queue<int, vector<int>, greater<int> > choices;
for(int turn = 1;turn <= 3*n+1;turn++){
for(int x : candidates[turn]) choices.push(x);
int t = choices.top(); choices.pop();
if(turn >= 2*n and t == me){
int turnsleft = R-turn+1;
turnsleft %= n;
//show2(turn, turnsleft);
int res = (1-turnsleft+n) % n;
if(res == 0) res = n;
return res;
}
if(t < winner) swap(t, winner);
candidates[turn+n].push_back(t);
}
}
}
int main(){
ios_base::sync_with_stdio(false); cin.tie(0);
cin >> n >> R;
cin >> me;
if(me == 1){
cout << n;
return 0;
}
for(int i = 1;i <= 2*n-1;i++) cin >> arr[i];
int bestPos = -1;
int bestVal = n;
for(int t = 1;t <= n;t++){
int res = solve(t);
//show2(t, res);
if(res <= bestVal){
bestVal = res;
bestPos = t;
}
}
cout << bestPos;
}
Compilation message
archery.cpp: In function 'int solve(int)':
archery.cpp:74:1: warning: control reaches end of non-void function [-Wreturn-type]
74 | }
| ^
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
8 ms |
14292 KB |
Output is correct |
| 2 |
Correct |
7 ms |
14436 KB |
Output is correct |
| 3 |
Correct |
9 ms |
14416 KB |
Output is correct |
| 4 |
Correct |
1045 ms |
31460 KB |
Output is correct |
| 5 |
Correct |
8 ms |
14420 KB |
Output is correct |
| 6 |
Correct |
11 ms |
14420 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
8 ms |
14332 KB |
Output is correct |
| 2 |
Correct |
13 ms |
14488 KB |
Output is correct |
| 3 |
Correct |
354 ms |
20748 KB |
Output is correct |
| 4 |
Execution timed out |
2069 ms |
17840 KB |
Time limit exceeded |
| 5 |
Execution timed out |
2068 ms |
36708 KB |
Time limit exceeded |
| 6 |
Correct |
12 ms |
14416 KB |
Output is correct |
| 7 |
Correct |
134 ms |
15940 KB |
Output is correct |
| 8 |
Execution timed out |
2082 ms |
18156 KB |
Time limit exceeded |
| 9 |
Execution timed out |
2073 ms |
22356 KB |
Time limit exceeded |
| 10 |
Correct |
222 ms |
18344 KB |
Output is correct |
| 11 |
Execution timed out |
2083 ms |
17928 KB |
Time limit exceeded |
| 12 |
Correct |
1466 ms |
51372 KB |
Output is correct |
| 13 |
Execution timed out |
2060 ms |
30932 KB |
Time limit exceeded |
| 14 |
Execution timed out |
2077 ms |
28976 KB |
Time limit exceeded |
| 15 |
Execution timed out |
2076 ms |
37224 KB |
Time limit exceeded |
| 16 |
Correct |
14 ms |
14592 KB |
Output is correct |
| 17 |
Correct |
297 ms |
19880 KB |
Output is correct |
| 18 |
Correct |
684 ms |
23892 KB |
Output is correct |
| 19 |
Execution timed out |
2073 ms |
43180 KB |
Time limit exceeded |
| 20 |
Execution timed out |
2074 ms |
30096 KB |
Time limit exceeded |
| 21 |
Execution timed out |
2069 ms |
29944 KB |
Time limit exceeded |
| 22 |
Execution timed out |
2076 ms |
19028 KB |
Time limit exceeded |
| 23 |
Execution timed out |
2064 ms |
36868 KB |
Time limit exceeded |
| 24 |
Correct |
12 ms |
14420 KB |
Output is correct |
| 25 |
Correct |
137 ms |
14476 KB |
Output is correct |
| 26 |
Execution timed out |
2088 ms |
14676 KB |
Time limit exceeded |
| 27 |
Execution timed out |
2071 ms |
15956 KB |
Time limit exceeded |
| 28 |
Execution timed out |
2063 ms |
22988 KB |
Time limit exceeded |
| 29 |
Correct |
259 ms |
14520 KB |
Output is correct |
| 30 |
Execution timed out |
2086 ms |
14684 KB |
Time limit exceeded |
| 31 |
Execution timed out |
2072 ms |
15828 KB |
Time limit exceeded |
| 32 |
Execution timed out |
2013 ms |
25904 KB |
Time limit exceeded |
| 33 |
Correct |
14 ms |
14420 KB |
Output is correct |
| 34 |
Correct |
11 ms |
14420 KB |
Output is correct |
| 35 |
Correct |
549 ms |
14576 KB |
Output is correct |
| 36 |
Correct |
845 ms |
14584 KB |
Output is correct |
| 37 |
Execution timed out |
2073 ms |
15572 KB |
Time limit exceeded |
| 38 |
Execution timed out |
2040 ms |
16212 KB |
Time limit exceeded |
| 39 |
Correct |
11 ms |
14420 KB |
Output is correct |
| 40 |
Correct |
134 ms |
14420 KB |
Output is correct |
| 41 |
Correct |
604 ms |
14556 KB |
Output is correct |
| 42 |
Correct |
786 ms |
14580 KB |
Output is correct |
| 43 |
Execution timed out |
2070 ms |
14676 KB |
Time limit exceeded |
| 44 |
Execution timed out |
2068 ms |
15032 KB |
Time limit exceeded |
| 45 |
Execution timed out |
2071 ms |
15828 KB |
Time limit exceeded |
| 46 |
Execution timed out |
2072 ms |
15956 KB |
Time limit exceeded |
| 47 |
Execution timed out |
2068 ms |
27520 KB |
Time limit exceeded |
