#include <bits/stdc++.h>
#include "books.h"
struct state {
std::vector<int> cur;
int cpos, car;
};
long long minimum_walk(std::vector<int> p, int s) {
int cur = 0;
state start;
start.cur = p; start.cpos = s; start.car = -1;
std::queue<std::pair<int, state>> q;
q.emplace(0, start);
while(!q.empty()) {
auto e = q.front(); q.pop();
auto dat = e.second;
if(std::is_sorted(dat.cur.begin(), dat.cur.end()) && dat.cpos == s && dat.car == -1)
return e.first;
std::swap(dat.cur[dat.cpos], dat.car);
q.emplace(e.first, dat);
std::swap(dat.cur[dat.cpos], dat.car);
if(dat.cpos != 0) {
dat.cpos--;
q.emplace(e.first+1, dat);
dat.cpos++;
}
if(dat.cpos != p.size()-1) {
dat.cpos++;
q.emplace(e.first+1, dat);
dat.cpos--;
}
}
}
Compilation message
books.cpp: In function 'long long int minimum_walk(std::vector<int>, int)':
books.cpp:28:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
28 | if(dat.cpos != p.size()-1) {
| ~~~~~~~~~^~~~~~~~~~~~~
books.cpp:10:9: warning: unused variable 'cur' [-Wunused-variable]
10 | int cur = 0;
| ^~~
books.cpp:11:11: warning: control reaches end of non-void function [-Wreturn-type]
11 | state start;
| ^~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
1748 KB |
Output is correct |
2 |
Correct |
1 ms |
852 KB |
Output is correct |
3 |
Correct |
37 ms |
22932 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
468 KB |
Output is correct |
6 |
Correct |
108 ms |
50140 KB |
Output is correct |
7 |
Correct |
5 ms |
3540 KB |
Output is correct |
8 |
Correct |
2 ms |
1492 KB |
Output is correct |
9 |
Correct |
0 ms |
212 KB |
Output is correct |
10 |
Correct |
0 ms |
340 KB |
Output is correct |
11 |
Correct |
0 ms |
212 KB |
Output is correct |
12 |
Correct |
0 ms |
212 KB |
Output is correct |
13 |
Correct |
34 ms |
21576 KB |
Output is correct |
14 |
Correct |
0 ms |
212 KB |
Output is correct |
15 |
Correct |
2 ms |
1748 KB |
Output is correct |
16 |
Correct |
4 ms |
3028 KB |
Output is correct |
17 |
Correct |
0 ms |
340 KB |
Output is correct |
18 |
Correct |
1 ms |
340 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
1748 KB |
Output is correct |
2 |
Correct |
1 ms |
852 KB |
Output is correct |
3 |
Correct |
37 ms |
22932 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
468 KB |
Output is correct |
6 |
Correct |
108 ms |
50140 KB |
Output is correct |
7 |
Correct |
5 ms |
3540 KB |
Output is correct |
8 |
Correct |
2 ms |
1492 KB |
Output is correct |
9 |
Correct |
0 ms |
212 KB |
Output is correct |
10 |
Correct |
0 ms |
340 KB |
Output is correct |
11 |
Correct |
0 ms |
212 KB |
Output is correct |
12 |
Correct |
0 ms |
212 KB |
Output is correct |
13 |
Correct |
34 ms |
21576 KB |
Output is correct |
14 |
Correct |
0 ms |
212 KB |
Output is correct |
15 |
Correct |
2 ms |
1748 KB |
Output is correct |
16 |
Correct |
4 ms |
3028 KB |
Output is correct |
17 |
Correct |
0 ms |
340 KB |
Output is correct |
18 |
Correct |
1 ms |
340 KB |
Output is correct |
19 |
Runtime error |
1541 ms |
1048576 KB |
Execution killed with signal 9 |
20 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
1748 KB |
Output is correct |
2 |
Correct |
1 ms |
852 KB |
Output is correct |
3 |
Correct |
37 ms |
22932 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
468 KB |
Output is correct |
6 |
Correct |
108 ms |
50140 KB |
Output is correct |
7 |
Correct |
5 ms |
3540 KB |
Output is correct |
8 |
Correct |
2 ms |
1492 KB |
Output is correct |
9 |
Correct |
0 ms |
212 KB |
Output is correct |
10 |
Correct |
0 ms |
340 KB |
Output is correct |
11 |
Correct |
0 ms |
212 KB |
Output is correct |
12 |
Correct |
0 ms |
212 KB |
Output is correct |
13 |
Correct |
34 ms |
21576 KB |
Output is correct |
14 |
Correct |
0 ms |
212 KB |
Output is correct |
15 |
Correct |
2 ms |
1748 KB |
Output is correct |
16 |
Correct |
4 ms |
3028 KB |
Output is correct |
17 |
Correct |
0 ms |
340 KB |
Output is correct |
18 |
Correct |
1 ms |
340 KB |
Output is correct |
19 |
Runtime error |
1541 ms |
1048576 KB |
Execution killed with signal 9 |
20 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
473 ms |
1048576 KB |
Execution killed with signal 9 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
1748 KB |
Output is correct |
2 |
Correct |
1 ms |
852 KB |
Output is correct |
3 |
Correct |
37 ms |
22932 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
468 KB |
Output is correct |
6 |
Correct |
108 ms |
50140 KB |
Output is correct |
7 |
Correct |
5 ms |
3540 KB |
Output is correct |
8 |
Correct |
2 ms |
1492 KB |
Output is correct |
9 |
Correct |
0 ms |
212 KB |
Output is correct |
10 |
Correct |
0 ms |
340 KB |
Output is correct |
11 |
Correct |
0 ms |
212 KB |
Output is correct |
12 |
Correct |
0 ms |
212 KB |
Output is correct |
13 |
Correct |
34 ms |
21576 KB |
Output is correct |
14 |
Correct |
0 ms |
212 KB |
Output is correct |
15 |
Correct |
2 ms |
1748 KB |
Output is correct |
16 |
Correct |
4 ms |
3028 KB |
Output is correct |
17 |
Correct |
0 ms |
340 KB |
Output is correct |
18 |
Correct |
1 ms |
340 KB |
Output is correct |
19 |
Runtime error |
1541 ms |
1048576 KB |
Execution killed with signal 9 |
20 |
Halted |
0 ms |
0 KB |
- |