oj.uz

답안 #798909

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
798909 2023-07-31T06:54:16 Z boyliguanhan Swap (BOI16_swap) C++17
100 / 100
 654 ms 4400 KB 
#include<bits/stdc++.h>
#define T(a,b,c) make_tuple(a,b,c)
using namespace std;
int arr[400100],n;
int dp(int i,int v){
	if(i*2>n)
        return 0;
	int x = arr[2*i];
	if(i*2==n)
        return x<v;
	int y=arr[2*i+1];
	if(v<x&&v<y)
        return 0;
	if(x<v&&x<y)
        return 1 + dp(2*i,v);
	if(v<x)
		return min(dp(2*i,v),dp(2*i+1,v))+1;
	int l1 = dp(2*i,x), l2 = dp(2*i+1,x);
	if(l1<=l2)
        return 1 +dp(2*i+1,v);
	return 1+dp(2*i,v);
}
int main() {
    memset(arr, 7, sizeof arr);
    cin >> n;
    for(int i = 1; i <= n; i++)
        cin >> arr[i];
    for(int i = 1; i <= n; i++) {
        int &a=arr[i],&b=arr[i*2],&c=arr[i*2+1];
        if(a<b&&a<c);
        else if(b<a&&b<c)
            swap(a,b);
        else {
            int a2=a,b2=b,c2=c;
            if(a2>b2)
                swap(a2,b2);
            if(dp(2*i,a2)>dp(2*i+1,a2)) swap(a2,b2);
            a = c2;
            b = a2;
            c = b2;
        }
        cout << a << ' ';
    }
}

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 1748 KB Output is correct
2 Correct 1 ms 1748 KB Output is correct
3 Correct 1 ms 1748 KB Output is correct
4 Correct 1 ms 1748 KB Output is correct
5 Correct 1 ms 1748 KB Output is correct

Subtask #2
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 1748 KB Output is correct
2 Correct 1 ms 1748 KB Output is correct
3 Correct 1 ms 1748 KB Output is correct
4 Correct 1 ms 1748 KB Output is correct
5 Correct 1 ms 1748 KB Output is correct
6 Correct 1 ms 1748 KB Output is correct
7 Correct 1 ms 1748 KB Output is correct
8 Correct 1 ms 1748 KB Output is correct
9 Correct 1 ms 1748 KB Output is correct
10 Correct 1 ms 1748 KB Output is correct

Subtask #3
27.0 / 27.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 1748 KB Output is correct
2 Correct 1 ms 1748 KB Output is correct
3 Correct 1 ms 1748 KB Output is correct
4 Correct 1 ms 1748 KB Output is correct
5 Correct 1 ms 1748 KB Output is correct
6 Correct 1 ms 1748 KB Output is correct
7 Correct 1 ms 1748 KB Output is correct
8 Correct 1 ms 1748 KB Output is correct
9 Correct 1 ms 1748 KB Output is correct
10 Correct 1 ms 1748 KB Output is correct
11 Correct 1 ms 1748 KB Output is correct
12 Correct 2 ms 1872 KB Output is correct
13 Correct 2 ms 1876 KB Output is correct
14 Correct 1 ms 1876 KB Output is correct
15 Correct 2 ms 1876 KB Output is correct

Subtask #4
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 1748 KB Output is correct
2 Correct 1 ms 1748 KB Output is correct
3 Correct 1 ms 1748 KB Output is correct
4 Correct 1 ms 1748 KB Output is correct
5 Correct 1 ms 1748 KB Output is correct
6 Correct 1 ms 1748 KB Output is correct
7 Correct 1 ms 1748 KB Output is correct
8 Correct 1 ms 1748 KB Output is correct
9 Correct 1 ms 1748 KB Output is correct
10 Correct 1 ms 1748 KB Output is correct
11 Correct 1 ms 1748 KB Output is correct
12 Correct 2 ms 1872 KB Output is correct
13 Correct 2 ms 1876 KB Output is correct
14 Correct 1 ms 1876 KB Output is correct
15 Correct 2 ms 1876 KB Output is correct
16 Correct 14 ms 2388 KB Output is correct
17 Correct 14 ms 2408 KB Output is correct
18 Correct 14 ms 2380 KB Output is correct
19 Correct 75 ms 2392 KB Output is correct
20 Correct 72 ms 2364 KB Output is correct

Subtask #5
32.0 / 32.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 1748 KB Output is correct
2 Correct 1 ms 1748 KB Output is correct
3 Correct 1 ms 1748 KB Output is correct
4 Correct 1 ms 1748 KB Output is correct
5 Correct 1 ms 1748 KB Output is correct
6 Correct 1 ms 1748 KB Output is correct
7 Correct 1 ms 1748 KB Output is correct
8 Correct 1 ms 1748 KB Output is correct
9 Correct 1 ms 1748 KB Output is correct
10 Correct 1 ms 1748 KB Output is correct
11 Correct 1 ms 1748 KB Output is correct
12 Correct 2 ms 1872 KB Output is correct
13 Correct 2 ms 1876 KB Output is correct
14 Correct 1 ms 1876 KB Output is correct
15 Correct 2 ms 1876 KB Output is correct
16 Correct 14 ms 2388 KB Output is correct
17 Correct 14 ms 2408 KB Output is correct
18 Correct 14 ms 2380 KB Output is correct
19 Correct 75 ms 2392 KB Output is correct
20 Correct 72 ms 2364 KB Output is correct
21 Correct 56 ms 4336 KB Output is correct
22 Correct 67 ms 4388 KB Output is correct
23 Correct 70 ms 4400 KB Output is correct
24 Correct 654 ms 4320 KB Output is correct
25 Correct 618 ms 4396 KB Output is correct