oj.uz

Submission #239093

# Submission time Handle Problem Language Result Execution time Memory
239093 2020-06-14T11:06:10 Z lyc Ancient Books (IOI17_books) C++14
50 / 100
 218 ms 17656 KB 
#include "books.h"
#include <bits/stdc++.h>
using namespace std;

#define TRACE(x) cout << #x << " :: " << x << endl;
#define _ << " " <<
#define FOR(i,a,b) for(int i=(a);i<=(b);++i)
#define RFOR(i,a,b) for(int i=(a);i>=(b);--i)
#define SZ(x) ((int)(x).size())
#define ALL(x) (x).begin(),(x).end()

const int mxN = 1e6+5;
int N, L, R;
int go[mxN][2];

void ext(int& l, int& r) {
    int x = l, y = r;
    do {
        FOR(j,0,1){
            if (l >= x && go[l][j] != -1) x = min(x,go[l][j]), y = max(y,go[l][j]);
            if (r <= y && go[r][j] != -1) x = min(x,go[r][j]), y = max(y,go[r][j]);
        }
        --l, ++r;
    } while (x <= l || r <= y);
    l = x, r = y;
}

long long minimum_walk(std::vector<int> p, int s) {
    N = SZ(p);
    long long lb = 0;
    L = N-1, R = 0;
    memset(go,-1,sizeof go);
    FOR(i,0,N-1){
        if (i != p[i]) {
            lb += abs(p[i]-i);
            L = min({L,i,p[i]}), R = max({R,i,p[i]});
            FOR(j,0,1) if (go[i][j] == -1) { go[i][j] = p[i]; break; }
            FOR(j,0,1) if (go[p[i]][j] == -1) { go[p[i]][j] = i; break; }
        }
    }
    long long add = 0;
    int l = s, r = s;
    for (;;) {
        ext(l,r);
        if (l <= L && r >= R) break;
        add += 2;
        if (l > 0) --l;
        if (r < N-1) ++r;
    }
    //TRACE(lb _ add);
	return lb + add;
}

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 8192 KB Output is correct
2 Correct 9 ms 8192 KB Output is correct
3 Correct 8 ms 8192 KB Output is correct
4 Correct 9 ms 8192 KB Output is correct
5 Correct 9 ms 8192 KB Output is correct
6 Correct 9 ms 8192 KB Output is correct
7 Correct 9 ms 8192 KB Output is correct
8 Correct 9 ms 8192 KB Output is correct
9 Correct 9 ms 8192 KB Output is correct
10 Correct 8 ms 8192 KB Output is correct
11 Correct 9 ms 8192 KB Output is correct
12 Correct 9 ms 8192 KB Output is correct
13 Correct 9 ms 8192 KB Output is correct
14 Correct 8 ms 8192 KB Output is correct
15 Correct 8 ms 8192 KB Output is correct
16 Correct 8 ms 8192 KB Output is correct
17 Correct 9 ms 8192 KB Output is correct
18 Correct 8 ms 8192 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 8192 KB Output is correct
2 Correct 9 ms 8192 KB Output is correct
3 Correct 8 ms 8192 KB Output is correct
4 Correct 9 ms 8192 KB Output is correct
5 Correct 9 ms 8192 KB Output is correct
6 Correct 9 ms 8192 KB Output is correct
7 Correct 9 ms 8192 KB Output is correct
8 Correct 9 ms 8192 KB Output is correct
9 Correct 9 ms 8192 KB Output is correct
10 Correct 8 ms 8192 KB Output is correct
11 Correct 9 ms 8192 KB Output is correct
12 Correct 9 ms 8192 KB Output is correct
13 Correct 9 ms 8192 KB Output is correct
14 Correct 8 ms 8192 KB Output is correct
15 Correct 8 ms 8192 KB Output is correct
16 Correct 8 ms 8192 KB Output is correct
17 Correct 9 ms 8192 KB Output is correct
18 Correct 8 ms 8192 KB Output is correct
19 Correct 8 ms 8192 KB Output is correct
20 Correct 9 ms 8192 KB Output is correct
21 Correct 10 ms 8192 KB Output is correct
22 Correct 9 ms 8192 KB Output is correct
23 Correct 9 ms 8192 KB Output is correct
24 Correct 9 ms 8192 KB Output is correct
25 Correct 8 ms 8192 KB Output is correct
26 Correct 10 ms 8192 KB Output is correct
27 Correct 10 ms 8192 KB Output is correct
28 Correct 9 ms 8192 KB Output is correct
29 Correct 9 ms 8192 KB Output is correct

Subtask #3
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 8192 KB Output is correct
2 Correct 9 ms 8192 KB Output is correct
3 Correct 8 ms 8192 KB Output is correct
4 Correct 9 ms 8192 KB Output is correct
5 Correct 9 ms 8192 KB Output is correct
6 Correct 9 ms 8192 KB Output is correct
7 Correct 9 ms 8192 KB Output is correct
8 Correct 9 ms 8192 KB Output is correct
9 Correct 9 ms 8192 KB Output is correct
10 Correct 8 ms 8192 KB Output is correct
11 Correct 9 ms 8192 KB Output is correct
12 Correct 9 ms 8192 KB Output is correct
13 Correct 9 ms 8192 KB Output is correct
14 Correct 8 ms 8192 KB Output is correct
15 Correct 8 ms 8192 KB Output is correct
16 Correct 8 ms 8192 KB Output is correct
17 Correct 9 ms 8192 KB Output is correct
18 Correct 8 ms 8192 KB Output is correct
19 Correct 8 ms 8192 KB Output is correct
20 Correct 9 ms 8192 KB Output is correct
21 Correct 10 ms 8192 KB Output is correct
22 Correct 9 ms 8192 KB Output is correct
23 Correct 9 ms 8192 KB Output is correct
24 Correct 9 ms 8192 KB Output is correct
25 Correct 8 ms 8192 KB Output is correct
26 Correct 10 ms 8192 KB Output is correct
27 Correct 10 ms 8192 KB Output is correct
28 Correct 9 ms 8192 KB Output is correct
29 Correct 9 ms 8192 KB Output is correct
30 Correct 218 ms 17528 KB Output is correct
31 Correct 203 ms 17528 KB Output is correct
32 Correct 155 ms 17656 KB Output is correct
33 Correct 168 ms 17656 KB Output is correct
34 Correct 174 ms 17528 KB Output is correct
35 Correct 174 ms 17528 KB Output is correct
36 Correct 173 ms 17532 KB Output is correct
37 Correct 182 ms 17528 KB Output is correct
38 Correct 180 ms 17528 KB Output is correct
39 Correct 182 ms 17528 KB Output is correct
40 Correct 182 ms 17656 KB Output is correct
41 Correct 200 ms 17528 KB Output is correct
42 Correct 197 ms 17528 KB Output is correct
43 Correct 172 ms 17532 KB Output is correct

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 8192 KB Output is correct
2 Correct 8 ms 8192 KB Output is correct
3 Correct 9 ms 8192 KB Output is correct
4 Incorrect 9 ms 8192 KB 3rd lines differ - on the 1st token, expected: '2094', found: '1592'
5 Halted 0 ms 0 KB -

Subtask #5
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 8192 KB Output is correct
2 Correct 9 ms 8192 KB Output is correct
3 Correct 8 ms 8192 KB Output is correct
4 Correct 9 ms 8192 KB Output is correct
5 Correct 9 ms 8192 KB Output is correct
6 Correct 9 ms 8192 KB Output is correct
7 Correct 9 ms 8192 KB Output is correct
8 Correct 9 ms 8192 KB Output is correct
9 Correct 9 ms 8192 KB Output is correct
10 Correct 8 ms 8192 KB Output is correct
11 Correct 9 ms 8192 KB Output is correct
12 Correct 9 ms 8192 KB Output is correct
13 Correct 9 ms 8192 KB Output is correct
14 Correct 8 ms 8192 KB Output is correct
15 Correct 8 ms 8192 KB Output is correct
16 Correct 8 ms 8192 KB Output is correct
17 Correct 9 ms 8192 KB Output is correct
18 Correct 8 ms 8192 KB Output is correct
19 Correct 8 ms 8192 KB Output is correct
20 Correct 9 ms 8192 KB Output is correct
21 Correct 10 ms 8192 KB Output is correct
22 Correct 9 ms 8192 KB Output is correct
23 Correct 9 ms 8192 KB Output is correct
24 Correct 9 ms 8192 KB Output is correct
25 Correct 8 ms 8192 KB Output is correct
26 Correct 10 ms 8192 KB Output is correct
27 Correct 10 ms 8192 KB Output is correct
28 Correct 9 ms 8192 KB Output is correct
29 Correct 9 ms 8192 KB Output is correct
30 Correct 218 ms 17528 KB Output is correct
31 Correct 203 ms 17528 KB Output is correct
32 Correct 155 ms 17656 KB Output is correct
33 Correct 168 ms 17656 KB Output is correct
34 Correct 174 ms 17528 KB Output is correct
35 Correct 174 ms 17528 KB Output is correct
36 Correct 173 ms 17532 KB Output is correct
37 Correct 182 ms 17528 KB Output is correct
38 Correct 180 ms 17528 KB Output is correct
39 Correct 182 ms 17528 KB Output is correct
40 Correct 182 ms 17656 KB Output is correct
41 Correct 200 ms 17528 KB Output is correct
42 Correct 197 ms 17528 KB Output is correct
43 Correct 172 ms 17532 KB Output is correct
44 Correct 9 ms 8192 KB Output is correct
45 Correct 8 ms 8192 KB Output is correct
46 Correct 9 ms 8192 KB Output is correct
47 Incorrect 9 ms 8192 KB 3rd lines differ - on the 1st token, expected: '2094', found: '1592'
48 Halted 0 ms 0 KB -