oj.uz

Submission #292824

# Submission time Handle Problem Language Result Execution time Memory
292824 2020-09-07T13:52:37 Z shayan_p Ancient Books (IOI17_books) C++17
50 / 100
 193 ms 12152 KB 
// Oh damn! Suddenly you're free to fly...
 
#include<bits/stdc++.h>
#include "books.h"
 
#define F first
#define S second
#define PB push_back
#define sz(s) int((s).size())
#define bit(n,k) (((n)>>(k))&1)
 
using namespace std;
 
typedef long long ll;
typedef pair<int,int> pii;
 
const int maxn = 1e6 + 10, mod = 1e9 + 7, inf = 1e9 + 10;
 
int cnt[maxn];
 
ll minimum_walk(vector<int> p, int s){
    int n = sz(p);
    ll ans = 0;
    for(int i = 0; i < n; i++){
	int l = i, r = p[i];
	if(l > r)
	    swap(l, r);
	ans+= r-l;
	cnt[l]++, cnt[r]--;
    }
    int sm = 0;
    for(int i = 0; i < n-1; i++){
	sm+= cnt[i];
	ans+= (sm > 0 ? 0 : 2);
    }
    for(int i = 0; i < s && p[i] == i; i++){
	ans-= 2;
    }
    for(int i = n-1; i > s && p[i] == i; i--){
	ans-= 2;
    }
    if(p[s] != s)
	return ans;
    int L = s, R = s;
    while(L >= 0 && p[L] == L)
	L--;
    while(R < n && p[R] == R)
	R++;
    if(L == -1 || R == n)
	return ans;
    assert(0);
    return ans + 2 * min(s - L, R - s);
}

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 0 ms 256 KB Output is correct
7 Correct 0 ms 256 KB Output is correct
8 Correct 0 ms 256 KB Output is correct
9 Correct 0 ms 256 KB Output is correct
10 Correct 0 ms 256 KB Output is correct
11 Correct 0 ms 256 KB Output is correct
12 Correct 0 ms 256 KB Output is correct
13 Correct 0 ms 256 KB Output is correct
14 Correct 0 ms 256 KB Output is correct
15 Correct 1 ms 256 KB Output is correct
16 Correct 0 ms 256 KB Output is correct
17 Correct 1 ms 256 KB Output is correct
18 Correct 0 ms 256 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 0 ms 256 KB Output is correct
7 Correct 0 ms 256 KB Output is correct
8 Correct 0 ms 256 KB Output is correct
9 Correct 0 ms 256 KB Output is correct
10 Correct 0 ms 256 KB Output is correct
11 Correct 0 ms 256 KB Output is correct
12 Correct 0 ms 256 KB Output is correct
13 Correct 0 ms 256 KB Output is correct
14 Correct 0 ms 256 KB Output is correct
15 Correct 1 ms 256 KB Output is correct
16 Correct 0 ms 256 KB Output is correct
17 Correct 1 ms 256 KB Output is correct
18 Correct 0 ms 256 KB Output is correct
19 Correct 0 ms 256 KB Output is correct
20 Correct 1 ms 384 KB Output is correct
21 Correct 1 ms 256 KB Output is correct
22 Correct 1 ms 384 KB Output is correct
23 Correct 1 ms 384 KB Output is correct
24 Correct 0 ms 256 KB Output is correct
25 Correct 0 ms 384 KB Output is correct
26 Correct 1 ms 384 KB Output is correct
27 Correct 1 ms 384 KB Output is correct
28 Correct 1 ms 384 KB Output is correct
29 Correct 1 ms 384 KB Output is correct

Subtask #3
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 0 ms 256 KB Output is correct
7 Correct 0 ms 256 KB Output is correct
8 Correct 0 ms 256 KB Output is correct
9 Correct 0 ms 256 KB Output is correct
10 Correct 0 ms 256 KB Output is correct
11 Correct 0 ms 256 KB Output is correct
12 Correct 0 ms 256 KB Output is correct
13 Correct 0 ms 256 KB Output is correct
14 Correct 0 ms 256 KB Output is correct
15 Correct 1 ms 256 KB Output is correct
16 Correct 0 ms 256 KB Output is correct
17 Correct 1 ms 256 KB Output is correct
18 Correct 0 ms 256 KB Output is correct
19 Correct 0 ms 256 KB Output is correct
20 Correct 1 ms 384 KB Output is correct
21 Correct 1 ms 256 KB Output is correct
22 Correct 1 ms 384 KB Output is correct
23 Correct 1 ms 384 KB Output is correct
24 Correct 0 ms 256 KB Output is correct
25 Correct 0 ms 384 KB Output is correct
26 Correct 1 ms 384 KB Output is correct
27 Correct 1 ms 384 KB Output is correct
28 Correct 1 ms 384 KB Output is correct
29 Correct 1 ms 384 KB Output is correct
30 Correct 169 ms 12024 KB Output is correct
31 Correct 167 ms 12028 KB Output is correct
32 Correct 148 ms 12024 KB Output is correct
33 Correct 139 ms 12024 KB Output is correct
34 Correct 136 ms 12100 KB Output is correct
35 Correct 141 ms 12152 KB Output is correct
36 Correct 141 ms 12024 KB Output is correct
37 Correct 140 ms 12096 KB Output is correct
38 Correct 148 ms 12024 KB Output is correct
39 Correct 180 ms 12024 KB Output is correct
40 Correct 185 ms 12152 KB Output is correct
41 Correct 158 ms 12024 KB Output is correct
42 Correct 193 ms 12152 KB Output is correct
43 Correct 146 ms 12152 KB Output is correct

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 384 KB 3rd lines differ - on the 1st token, expected: '3304', found: '2744'
2 Halted 0 ms 0 KB -

Subtask #5
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 0 ms 256 KB Output is correct
7 Correct 0 ms 256 KB Output is correct
8 Correct 0 ms 256 KB Output is correct
9 Correct 0 ms 256 KB Output is correct
10 Correct 0 ms 256 KB Output is correct
11 Correct 0 ms 256 KB Output is correct
12 Correct 0 ms 256 KB Output is correct
13 Correct 0 ms 256 KB Output is correct
14 Correct 0 ms 256 KB Output is correct
15 Correct 1 ms 256 KB Output is correct
16 Correct 0 ms 256 KB Output is correct
17 Correct 1 ms 256 KB Output is correct
18 Correct 0 ms 256 KB Output is correct
19 Correct 0 ms 256 KB Output is correct
20 Correct 1 ms 384 KB Output is correct
21 Correct 1 ms 256 KB Output is correct
22 Correct 1 ms 384 KB Output is correct
23 Correct 1 ms 384 KB Output is correct
24 Correct 0 ms 256 KB Output is correct
25 Correct 0 ms 384 KB Output is correct
26 Correct 1 ms 384 KB Output is correct
27 Correct 1 ms 384 KB Output is correct
28 Correct 1 ms 384 KB Output is correct
29 Correct 1 ms 384 KB Output is correct
30 Correct 169 ms 12024 KB Output is correct
31 Correct 167 ms 12028 KB Output is correct
32 Correct 148 ms 12024 KB Output is correct
33 Correct 139 ms 12024 KB Output is correct
34 Correct 136 ms 12100 KB Output is correct
35 Correct 141 ms 12152 KB Output is correct
36 Correct 141 ms 12024 KB Output is correct
37 Correct 140 ms 12096 KB Output is correct
38 Correct 148 ms 12024 KB Output is correct
39 Correct 180 ms 12024 KB Output is correct
40 Correct 185 ms 12152 KB Output is correct
41 Correct 158 ms 12024 KB Output is correct
42 Correct 193 ms 12152 KB Output is correct
43 Correct 146 ms 12152 KB Output is correct
44 Incorrect 2 ms 384 KB 3rd lines differ - on the 1st token, expected: '3304', found: '2744'
45 Halted 0 ms 0 KB -