#include <bits/stdc++.h>
using namespace std;
#define mp make_pair
#define pb push_back
typedef long long int LLI;
typedef vector<int> vi;
typedef pair<int,int> pii;
typedef vector<pii> vpii;
#include "swaps.h"
int used[500];
void solve(int N,int V) {
int i,j;
vi order;
for (i = 0; i < N; i++) order.pb(i+1);
random_shuffle(order.begin(),order.end());
int s = sqrt(N),c = 0;
for (j = N/4; j > 0; j -= s/2) {
vi v1,v2;
for (i = j; i < N; i++) {
if (!used[i-j]) v1.pb(i),schedule(order[i-j],order[i]),used[i-j] = used[i] = 1;
else v2.pb(i);
}
fill(used,used+N,0);
vi r = visit();
for (i = 0; i < r.size(); i++) {
if (!r[i]) swap(order[v1[i]-j],order[v1[i]]);
}
for (i = 0; i < v2.size(); i++) schedule(order[v2[i]-j],order[v2[i]]);
r = visit();
for (i = 0; i < r.size(); i++) {
if (!r[i]) swap(order[v2[i]-j],order[v2[i]]);
}
c += 2;
}
for (j = 0; j < (V-c)/2; j++) {
vi v1,v2;
for (i = 1; i < N; i++) {
if (i & 1) schedule(order[i-1],order[i]),v1.pb(i);
else v2.pb(i);
}
vi r = visit();
for (i = 0; i < r.size(); i++) {
if (!r[i]) swap(order[v1[i]-1],order[v1[i]]);
}
for (i = 0; i < v2.size(); i++) schedule(order[v2[i]-1],order[v2[i]]);
r = visit();
for (i = 0; i < r.size(); i++) {
if (!r[i]) swap(order[v2[i]-1],order[v2[i]]);
}
}
answer(order);
}
Compilation message
swaps.cpp: In function 'void solve(int, int)':
swaps.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 (i = 0; i < r.size(); i++) {
| ~~^~~~~~~~~~
swaps.cpp:29:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
29 | for (i = 0; i < v2.size(); i++) schedule(order[v2[i]-j],order[v2[i]]);
| ~~^~~~~~~~~~~
swaps.cpp:31:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
31 | for (i = 0; i < r.size(); i++) {
| ~~^~~~~~~~~~
swaps.cpp:43:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
43 | for (i = 0; i < r.size(); i++) {
| ~~^~~~~~~~~~
swaps.cpp:46:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
46 | for (i = 0; i < v2.size(); i++) schedule(order[v2[i]-1],order[v2[i]]);
| ~~^~~~~~~~~~~
swaps.cpp:48:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
48 | for (i = 0; i < r.size(); i++) {
| ~~^~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
36 ms |
200 KB |
Correct |
2 |
Correct |
171 ms |
200 KB |
Correct |
3 |
Correct |
289 ms |
200 KB |
Correct |
4 |
Correct |
528 ms |
420 KB |
Correct |
5 |
Correct |
572 ms |
368 KB |
Correct |
6 |
Correct |
593 ms |
332 KB |
Correct |
7 |
Correct |
589 ms |
448 KB |
Correct |
8 |
Correct |
556 ms |
420 KB |
Correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
71 ms |
200 KB |
Correct |
2 |
Correct |
126 ms |
292 KB |
Correct |
3 |
Correct |
339 ms |
296 KB |
Correct |
4 |
Correct |
595 ms |
508 KB |
Correct |
5 |
Correct |
549 ms |
376 KB |
Correct |
6 |
Correct |
578 ms |
388 KB |
Correct |
7 |
Correct |
533 ms |
356 KB |
Correct |
8 |
Correct |
557 ms |
540 KB |
Correct |
9 |
Correct |
126 ms |
508 KB |
Correct |
10 |
Correct |
107 ms |
316 KB |
Correct |
11 |
Correct |
114 ms |
444 KB |
Correct |
12 |
Correct |
120 ms |
440 KB |
Correct |
13 |
Correct |
114 ms |
408 KB |
Correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
45 ms |
200 KB |
Correct |
2 |
Correct |
173 ms |
200 KB |
Correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
45 ms |
200 KB |
Correct |
2 |
Correct |
173 ms |
200 KB |
Correct |
3 |
Correct |
56 ms |
200 KB |
Correct |
4 |
Correct |
181 ms |
300 KB |
Correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
51 ms |
200 KB |
Correct |
2 |
Correct |
116 ms |
200 KB |
Correct |
3 |
Correct |
315 ms |
200 KB |
Correct |
4 |
Correct |
600 ms |
416 KB |
Correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
51 ms |
200 KB |
Correct |
2 |
Correct |
116 ms |
200 KB |
Correct |
3 |
Correct |
315 ms |
200 KB |
Correct |
4 |
Correct |
600 ms |
416 KB |
Correct |
5 |
Correct |
35 ms |
200 KB |
Correct |
6 |
Correct |
131 ms |
200 KB |
Correct |
7 |
Correct |
346 ms |
200 KB |
Correct |
8 |
Correct |
608 ms |
612 KB |
Correct |
9 |
Correct |
557 ms |
372 KB |
Correct |
10 |
Correct |
597 ms |
316 KB |
Correct |
11 |
Correct |
538 ms |
348 KB |
Correct |
12 |
Correct |
577 ms |
416 KB |
Correct |
13 |
Correct |
45 ms |
200 KB |
Correct |
14 |
Correct |
170 ms |
200 KB |
Correct |
15 |
Correct |
303 ms |
200 KB |
Correct |
16 |
Correct |
574 ms |
392 KB |
Correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
66 ms |
200 KB |
Correct |
2 |
Correct |
176 ms |
200 KB |
Correct |
3 |
Correct |
339 ms |
200 KB |
Correct |
4 |
Correct |
563 ms |
396 KB |
Correct |
5 |
Correct |
56 ms |
392 KB |
Correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
66 ms |
200 KB |
Correct |
2 |
Correct |
176 ms |
200 KB |
Correct |
3 |
Correct |
339 ms |
200 KB |
Correct |
4 |
Correct |
563 ms |
396 KB |
Correct |
5 |
Correct |
56 ms |
392 KB |
Correct |
6 |
Correct |
79 ms |
200 KB |
Correct |
7 |
Correct |
171 ms |
200 KB |
Correct |
8 |
Correct |
330 ms |
200 KB |
Correct |
9 |
Correct |
582 ms |
452 KB |
Correct |
10 |
Correct |
562 ms |
508 KB |
Correct |
11 |
Correct |
558 ms |
504 KB |
Correct |
12 |
Correct |
521 ms |
420 KB |
Correct |
13 |
Correct |
605 ms |
640 KB |
Correct |
14 |
Correct |
102 ms |
316 KB |
Correct |
15 |
Correct |
102 ms |
376 KB |
Correct |
16 |
Correct |
104 ms |
312 KB |
Correct |
17 |
Correct |
111 ms |
376 KB |
Correct |
18 |
Correct |
113 ms |
312 KB |
Correct |
19 |
Correct |
85 ms |
200 KB |
Correct |
20 |
Correct |
161 ms |
200 KB |
Correct |
21 |
Correct |
295 ms |
200 KB |
Correct |
22 |
Correct |
527 ms |
500 KB |
Correct |
23 |
Correct |
53 ms |
320 KB |
Correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
81 ms |
200 KB |
Correct |
2 |
Correct |
146 ms |
200 KB |
Correct |
3 |
Correct |
292 ms |
200 KB |
Correct |
4 |
Correct |
518 ms |
464 KB |
Correct |
5 |
Correct |
51 ms |
296 KB |
Correct |
6 |
Incorrect |
11 ms |
296 KB |
Not correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
81 ms |
200 KB |
Correct |
2 |
Correct |
146 ms |
200 KB |
Correct |
3 |
Correct |
292 ms |
200 KB |
Correct |
4 |
Correct |
518 ms |
464 KB |
Correct |
5 |
Correct |
51 ms |
296 KB |
Correct |
6 |
Incorrect |
11 ms |
296 KB |
Not correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
67 ms |
200 KB |
Correct |
2 |
Correct |
144 ms |
200 KB |
Correct |
3 |
Correct |
266 ms |
200 KB |
Correct |
4 |
Correct |
532 ms |
352 KB |
Correct |
5 |
Correct |
69 ms |
296 KB |
Correct |
6 |
Incorrect |
13 ms |
296 KB |
Not correct |
7 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
67 ms |
200 KB |
Correct |
2 |
Correct |
144 ms |
200 KB |
Correct |
3 |
Correct |
266 ms |
200 KB |
Correct |
4 |
Correct |
532 ms |
352 KB |
Correct |
5 |
Correct |
69 ms |
296 KB |
Correct |
6 |
Incorrect |
13 ms |
296 KB |
Not correct |
7 |
Halted |
0 ms |
0 KB |
- |