Submission #744644

# Submission time Handle Problem Language Result Execution time Memory
744644 2023-05-18T21:59:35 Z oolimry Archery (IOI09_archery) C++17
26 / 100
2000 ms 12796 KB
#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;

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
		assert(false);
	}
}


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);
		if(res <= bestVal){
			bestVal = res;
			bestPos = t; 
		}
	}
	
	cout << bestPos;
}

Compilation message

archery.cpp: In function 'int solve(int)':
archery.cpp:42:1: warning: control reaches end of non-void function [-Wreturn-type]
   42 | }
      | ^
# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Runtime error 1 ms 468 KB Execution killed with signal 6
4 Runtime error 1 ms 544 KB Execution killed with signal 6
5 Correct 0 ms 212 KB Output is correct
6 Correct 3 ms 340 KB Output is correct
# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 468 KB Execution killed with signal 6
2 Runtime error 1 ms 468 KB Execution killed with signal 6
3 Runtime error 1 ms 468 KB Execution killed with signal 6
4 Runtime error 3 ms 980 KB Execution killed with signal 6
5 Runtime error 37 ms 5804 KB Execution killed with signal 6
6 Runtime error 1 ms 468 KB Execution killed with signal 6
7 Runtime error 1 ms 468 KB Execution killed with signal 6
8 Runtime error 3 ms 980 KB Execution killed with signal 6
9 Runtime error 4 ms 1108 KB Execution killed with signal 6
10 Runtime error 1 ms 468 KB Execution killed with signal 6
11 Runtime error 4 ms 1108 KB Execution killed with signal 6
12 Runtime error 2 ms 596 KB Execution killed with signal 6
13 Runtime error 21 ms 4380 KB Execution killed with signal 6
14 Runtime error 2 ms 600 KB Execution killed with signal 6
15 Runtime error 6 ms 1492 KB Execution killed with signal 6
16 Runtime error 1 ms 468 KB Execution killed with signal 6
17 Runtime error 1 ms 468 KB Execution killed with signal 6
18 Runtime error 1 ms 468 KB Execution killed with signal 6
19 Runtime error 2 ms 596 KB Execution killed with signal 6
20 Runtime error 2 ms 596 KB Execution killed with signal 6
21 Runtime error 4 ms 1108 KB Execution killed with signal 6
22 Runtime error 5 ms 1492 KB Execution killed with signal 6
23 Runtime error 30 ms 6188 KB Execution killed with signal 6
24 Correct 4 ms 344 KB Output is correct
25 Correct 125 ms 376 KB Output is correct
26 Execution timed out 2073 ms 648 KB Time limit exceeded
27 Execution timed out 2054 ms 1620 KB Time limit exceeded
28 Execution timed out 2068 ms 8220 KB Time limit exceeded
29 Correct 250 ms 340 KB Output is correct
30 Execution timed out 2093 ms 596 KB Time limit exceeded
31 Execution timed out 2066 ms 1492 KB Time limit exceeded
32 Execution timed out 2066 ms 11212 KB Time limit exceeded
33 Correct 4 ms 212 KB Output is correct
34 Correct 3 ms 340 KB Output is correct
35 Correct 547 ms 444 KB Output is correct
36 Correct 834 ms 468 KB Output is correct
37 Execution timed out 2067 ms 1364 KB Time limit exceeded
38 Execution timed out 2087 ms 1876 KB Time limit exceeded
39 Correct 4 ms 212 KB Output is correct
40 Correct 126 ms 376 KB Output is correct
41 Correct 589 ms 440 KB Output is correct
42 Correct 783 ms 468 KB Output is correct
43 Execution timed out 2073 ms 596 KB Time limit exceeded
44 Execution timed out 2067 ms 852 KB Time limit exceeded
45 Execution timed out 2072 ms 1492 KB Time limit exceeded
46 Execution timed out 2072 ms 1688 KB Time limit exceeded
47 Execution timed out 2070 ms 12796 KB Time limit exceeded