#include <bits/stdc++.h>
#include "books.h"
using namespace std;
const int MX = 1e6 + 100;
int G[MX];
long long minimum_walk(vector<int> p, int s) {
while(p.back() == p.size() - 1 and p.back() != s) p.pop_back();
int n = p.size();
long long sum = 0;
for(int i = 0; i < n; i ++) {
G[p[i]] = max(G[p[i]], i);
G[i] = max(G[i], p[i]);
sum += abs(i - p[i]);
}
for(int i = 0; i + 1 < n; i ++) {
if(p[i] == i and i < s) continue;
int ptr = i + 1;
while(ptr <= G[i]) {
G[i] = max(G[i], G[ptr]);
ptr ++;
}
if(ptr < n) sum += 2;
i = ptr - 1;
}
return sum;
}
//main () {
// cout << minimum_walk({2, 3, 0, 1}, 0);
//}
Compilation message
books.cpp: In function 'long long int minimum_walk(std::vector<int>, int)':
books.cpp:7:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
while(p.back() == p.size() - 1 and p.back() != s) p.pop_back();
~~~~~~~~~^~~~~~~~~~~~~~~
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
3 ms |
384 KB |
Output is correct |
| 2 |
Correct |
4 ms |
384 KB |
Output is correct |
| 3 |
Correct |
3 ms |
384 KB |
Output is correct |
| 4 |
Correct |
2 ms |
256 KB |
Output is correct |
| 5 |
Correct |
2 ms |
256 KB |
Output is correct |
| 6 |
Correct |
3 ms |
256 KB |
Output is correct |
| 7 |
Correct |
2 ms |
332 KB |
Output is correct |
| 8 |
Correct |
3 ms |
384 KB |
Output is correct |
| 9 |
Correct |
2 ms |
256 KB |
Output is correct |
| 10 |
Correct |
2 ms |
256 KB |
Output is correct |
| 11 |
Correct |
2 ms |
256 KB |
Output is correct |
| 12 |
Correct |
3 ms |
384 KB |
Output is correct |
| 13 |
Correct |
3 ms |
384 KB |
Output is correct |
| 14 |
Correct |
2 ms |
384 KB |
Output is correct |
| 15 |
Correct |
2 ms |
256 KB |
Output is correct |
| 16 |
Correct |
2 ms |
384 KB |
Output is correct |
| 17 |
Correct |
3 ms |
384 KB |
Output is correct |
| 18 |
Correct |
3 ms |
256 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
3 ms |
384 KB |
Output is correct |
| 2 |
Correct |
4 ms |
384 KB |
Output is correct |
| 3 |
Correct |
3 ms |
384 KB |
Output is correct |
| 4 |
Correct |
2 ms |
256 KB |
Output is correct |
| 5 |
Correct |
2 ms |
256 KB |
Output is correct |
| 6 |
Correct |
3 ms |
256 KB |
Output is correct |
| 7 |
Correct |
2 ms |
332 KB |
Output is correct |
| 8 |
Correct |
3 ms |
384 KB |
Output is correct |
| 9 |
Correct |
2 ms |
256 KB |
Output is correct |
| 10 |
Correct |
2 ms |
256 KB |
Output is correct |
| 11 |
Correct |
2 ms |
256 KB |
Output is correct |
| 12 |
Correct |
3 ms |
384 KB |
Output is correct |
| 13 |
Correct |
3 ms |
384 KB |
Output is correct |
| 14 |
Correct |
2 ms |
384 KB |
Output is correct |
| 15 |
Correct |
2 ms |
256 KB |
Output is correct |
| 16 |
Correct |
2 ms |
384 KB |
Output is correct |
| 17 |
Correct |
3 ms |
384 KB |
Output is correct |
| 18 |
Correct |
3 ms |
256 KB |
Output is correct |
| 19 |
Correct |
3 ms |
384 KB |
Output is correct |
| 20 |
Correct |
3 ms |
428 KB |
Output is correct |
| 21 |
Correct |
2 ms |
384 KB |
Output is correct |
| 22 |
Correct |
3 ms |
384 KB |
Output is correct |
| 23 |
Correct |
3 ms |
384 KB |
Output is correct |
| 24 |
Correct |
3 ms |
256 KB |
Output is correct |
| 25 |
Correct |
3 ms |
384 KB |
Output is correct |
| 26 |
Correct |
2 ms |
384 KB |
Output is correct |
| 27 |
Correct |
2 ms |
256 KB |
Output is correct |
| 28 |
Correct |
3 ms |
460 KB |
Output is correct |
| 29 |
Correct |
3 ms |
384 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
3 ms |
384 KB |
Output is correct |
| 2 |
Correct |
4 ms |
384 KB |
Output is correct |
| 3 |
Correct |
3 ms |
384 KB |
Output is correct |
| 4 |
Correct |
2 ms |
256 KB |
Output is correct |
| 5 |
Correct |
2 ms |
256 KB |
Output is correct |
| 6 |
Correct |
3 ms |
256 KB |
Output is correct |
| 7 |
Correct |
2 ms |
332 KB |
Output is correct |
| 8 |
Correct |
3 ms |
384 KB |
Output is correct |
| 9 |
Correct |
2 ms |
256 KB |
Output is correct |
| 10 |
Correct |
2 ms |
256 KB |
Output is correct |
| 11 |
Correct |
2 ms |
256 KB |
Output is correct |
| 12 |
Correct |
3 ms |
384 KB |
Output is correct |
| 13 |
Correct |
3 ms |
384 KB |
Output is correct |
| 14 |
Correct |
2 ms |
384 KB |
Output is correct |
| 15 |
Correct |
2 ms |
256 KB |
Output is correct |
| 16 |
Correct |
2 ms |
384 KB |
Output is correct |
| 17 |
Correct |
3 ms |
384 KB |
Output is correct |
| 18 |
Correct |
3 ms |
256 KB |
Output is correct |
| 19 |
Correct |
3 ms |
384 KB |
Output is correct |
| 20 |
Correct |
3 ms |
428 KB |
Output is correct |
| 21 |
Correct |
2 ms |
384 KB |
Output is correct |
| 22 |
Correct |
3 ms |
384 KB |
Output is correct |
| 23 |
Correct |
3 ms |
384 KB |
Output is correct |
| 24 |
Correct |
3 ms |
256 KB |
Output is correct |
| 25 |
Correct |
3 ms |
384 KB |
Output is correct |
| 26 |
Correct |
2 ms |
384 KB |
Output is correct |
| 27 |
Correct |
2 ms |
256 KB |
Output is correct |
| 28 |
Correct |
3 ms |
460 KB |
Output is correct |
| 29 |
Correct |
3 ms |
384 KB |
Output is correct |
| 30 |
Correct |
182 ms |
12004 KB |
Output is correct |
| 31 |
Correct |
201 ms |
12024 KB |
Output is correct |
| 32 |
Correct |
143 ms |
8184 KB |
Output is correct |
| 33 |
Correct |
158 ms |
12024 KB |
Output is correct |
| 34 |
Correct |
137 ms |
11996 KB |
Output is correct |
| 35 |
Correct |
222 ms |
12024 KB |
Output is correct |
| 36 |
Correct |
154 ms |
12124 KB |
Output is correct |
| 37 |
Correct |
168 ms |
12024 KB |
Output is correct |
| 38 |
Correct |
148 ms |
12152 KB |
Output is correct |
| 39 |
Correct |
188 ms |
12152 KB |
Output is correct |
| 40 |
Correct |
162 ms |
12024 KB |
Output is correct |
| 41 |
Correct |
165 ms |
12124 KB |
Output is correct |
| 42 |
Correct |
174 ms |
12168 KB |
Output is correct |
| 43 |
Correct |
145 ms |
12100 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Incorrect |
3 ms |
384 KB |
3rd lines differ - on the 1st token, expected: '3304', found: '2744' |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
3 ms |
384 KB |
Output is correct |
| 2 |
Correct |
4 ms |
384 KB |
Output is correct |
| 3 |
Correct |
3 ms |
384 KB |
Output is correct |
| 4 |
Correct |
2 ms |
256 KB |
Output is correct |
| 5 |
Correct |
2 ms |
256 KB |
Output is correct |
| 6 |
Correct |
3 ms |
256 KB |
Output is correct |
| 7 |
Correct |
2 ms |
332 KB |
Output is correct |
| 8 |
Correct |
3 ms |
384 KB |
Output is correct |
| 9 |
Correct |
2 ms |
256 KB |
Output is correct |
| 10 |
Correct |
2 ms |
256 KB |
Output is correct |
| 11 |
Correct |
2 ms |
256 KB |
Output is correct |
| 12 |
Correct |
3 ms |
384 KB |
Output is correct |
| 13 |
Correct |
3 ms |
384 KB |
Output is correct |
| 14 |
Correct |
2 ms |
384 KB |
Output is correct |
| 15 |
Correct |
2 ms |
256 KB |
Output is correct |
| 16 |
Correct |
2 ms |
384 KB |
Output is correct |
| 17 |
Correct |
3 ms |
384 KB |
Output is correct |
| 18 |
Correct |
3 ms |
256 KB |
Output is correct |
| 19 |
Correct |
3 ms |
384 KB |
Output is correct |
| 20 |
Correct |
3 ms |
428 KB |
Output is correct |
| 21 |
Correct |
2 ms |
384 KB |
Output is correct |
| 22 |
Correct |
3 ms |
384 KB |
Output is correct |
| 23 |
Correct |
3 ms |
384 KB |
Output is correct |
| 24 |
Correct |
3 ms |
256 KB |
Output is correct |
| 25 |
Correct |
3 ms |
384 KB |
Output is correct |
| 26 |
Correct |
2 ms |
384 KB |
Output is correct |
| 27 |
Correct |
2 ms |
256 KB |
Output is correct |
| 28 |
Correct |
3 ms |
460 KB |
Output is correct |
| 29 |
Correct |
3 ms |
384 KB |
Output is correct |
| 30 |
Correct |
182 ms |
12004 KB |
Output is correct |
| 31 |
Correct |
201 ms |
12024 KB |
Output is correct |
| 32 |
Correct |
143 ms |
8184 KB |
Output is correct |
| 33 |
Correct |
158 ms |
12024 KB |
Output is correct |
| 34 |
Correct |
137 ms |
11996 KB |
Output is correct |
| 35 |
Correct |
222 ms |
12024 KB |
Output is correct |
| 36 |
Correct |
154 ms |
12124 KB |
Output is correct |
| 37 |
Correct |
168 ms |
12024 KB |
Output is correct |
| 38 |
Correct |
148 ms |
12152 KB |
Output is correct |
| 39 |
Correct |
188 ms |
12152 KB |
Output is correct |
| 40 |
Correct |
162 ms |
12024 KB |
Output is correct |
| 41 |
Correct |
165 ms |
12124 KB |
Output is correct |
| 42 |
Correct |
174 ms |
12168 KB |
Output is correct |
| 43 |
Correct |
145 ms |
12100 KB |
Output is correct |
| 44 |
Incorrect |
3 ms |
384 KB |
3rd lines differ - on the 1st token, expected: '3304', found: '2744' |
| 45 |
Halted |
0 ms |
0 KB |
- |
