Submission #1065745

# Submission time Handle Problem Language Result Execution time Memory
1065745 2024-08-19T11:27:16 Z TheQuantiX Ancient Books (IOI17_books) C++17
50 / 100
609 ms 42756 KB
#include <bits/stdc++.h>
#include "books.h"
#pragma GCC optimize("O3,unroll-loops")

using namespace std;
using ll = long long;

constexpr ll INF = 1000000000000000000LL;

ll n, m, q, k, x, y, a, b, c;

// map< pair< vector<int>, pair<int, int> >, ll > mp;
vector<int> perfect;

long long minimum_walk(vector<int> p, int s) {
    perfect.reserve(p.size());
    for (int i = 0; i < p.size(); i++) {
        perfect.push_back(i);
    }
    if (p == perfect) {
        return 0;
    }
    ll num = 0;
    set<int> st;
    vector<bool> b(p.size());
    for (int i = 0; i < p.size(); i++) {
        num += abs(i - p[i]);
        st.insert(p[i]);
        if (st.count(i)) {
            st.erase(i);
        }
        if (st.size() == 0 || *st.rbegin() <= i) {
            // cout << i << '\n';
            b[i] = 1;
        }
    }
    // cout << "DEBUG" << endl;
    bool fl = 0;
    for (int i = p.size() - 1; i >= 0; i--) {
        if (fl && b[i]) {
            num += 2;
        }
        if (p[i] != i) {
            fl = 1;
        }
    }
    return num;
}

Compilation message

books.cpp: In function 'long long int minimum_walk(std::vector<int>, int)':
books.cpp:17:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   17 |     for (int i = 0; i < p.size(); i++) {
      |                     ~~^~~~~~~~~~
books.cpp:26:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   26 |     for (int i = 0; i < p.size(); i++) {
      |                     ~~^~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 609 ms 42464 KB Output is correct
31 Correct 545 ms 42756 KB Output is correct
32 Correct 67 ms 18768 KB Output is correct
33 Correct 252 ms 30800 KB Output is correct
34 Correct 239 ms 30548 KB Output is correct
35 Correct 246 ms 34644 KB Output is correct
36 Correct 284 ms 40216 KB Output is correct
37 Correct 292 ms 42320 KB Output is correct
38 Correct 300 ms 42344 KB Output is correct
39 Correct 290 ms 42352 KB Output is correct
40 Correct 323 ms 42320 KB Output is correct
41 Correct 423 ms 42320 KB Output is correct
42 Correct 381 ms 42308 KB Output is correct
43 Correct 268 ms 30824 KB Output is correct
# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 348 KB 3rd lines differ - on the 1st token, expected: '3304', found: '2744'
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 609 ms 42464 KB Output is correct
31 Correct 545 ms 42756 KB Output is correct
32 Correct 67 ms 18768 KB Output is correct
33 Correct 252 ms 30800 KB Output is correct
34 Correct 239 ms 30548 KB Output is correct
35 Correct 246 ms 34644 KB Output is correct
36 Correct 284 ms 40216 KB Output is correct
37 Correct 292 ms 42320 KB Output is correct
38 Correct 300 ms 42344 KB Output is correct
39 Correct 290 ms 42352 KB Output is correct
40 Correct 323 ms 42320 KB Output is correct
41 Correct 423 ms 42320 KB Output is correct
42 Correct 381 ms 42308 KB Output is correct
43 Correct 268 ms 30824 KB Output is correct
44 Incorrect 1 ms 348 KB 3rd lines differ - on the 1st token, expected: '3304', found: '2744'
45 Halted 0 ms 0 KB -