| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 56174 |
2018-07-10T07:34:29 Z |
김세빈(#1581) |
Swap (BOI16_swap) |
C++11 |
|
836 ms |
263168 KB |
#include <bits/stdc++.h>
using namespace std;
vector <int> V[404040];
int A[202020], R[202020], D[202020];
int n;
void dfs(int p, int v, int o)
{
if(p > n) return;
int i, j;
for(i=0;i<V[p].size();i++){
if(V[p][i] == v) break;
}
if(i < V[p].size()){
if(o == 1){
V[p][i] = -V[p][i];
}
else{
if(i == 0) i = 1;
for(j=0;j<=i;j++){
if(V[p][j] > 0) V[p][j] = -V[p][j];
}
}
}
dfs(p<<1, v, o);
dfs(p<<1|1, v, o);
}
void check(int t, int p)
{
if(t & (1 << (D[t] - D[R[p]] - 1))){
dfs(R[p]<<1|1, p, 0);
dfs(R[p]<<1, p, 1);
}
else{
dfs(R[p]<<1, p, 0);
dfs(R[p]<<1|1, p, 1);
}
}
int main()
{
int i, j, m, a, b, c;
scanf("%d", &n);
for(i=1;i<=n;i++){
scanf("%d", A+i);
}
for(i=2;i<=n;i++){
D[i] = D[i>>1] + 1;
}
V[1].push_back(1);
R[1] = 1;
for(i=1;i<=n;i++){
m = -1;
for(j=0;j<V[i].size();j++){
// printf("%d (%d)\n", V[i][j], A[V[i][j]]);
if(V[i][j] > 0 && (m == -1 || A[V[i][j]] < A[m])) m = V[i][j];
}
a = A[m];
b = (i<<1) > n? 1e9 : A[i<<1];
c = (i<<1|1) > n? 1e9 : A[i<<1|1];
if(a < b && a < c){
printf("%d ", a);
check(i, m);
R[i<<1] = i<<1;
V[i<<1].push_back(i<<1);
R[i<<1|1] = i<<1|1;
V[i<<1|1].push_back(i<<1|1);
}
else if(b < c){
printf("%d ", b);
V[i<<1] = V[i];
R[i<<1|1] = i<<1|1;
V[i<<1|1].push_back(i<<1|1);
}
else{
printf("%d ", c);
if(V[i].size() == 1) R[m] = i;
R[i<<1] = i;
V[i].push_back(i<<1);
V[i<<1] = V[i];
V[i<<1|1] = V[i];
}
// printf("\n");
}
printf("\n");
return 0;
}
Compilation message
swap.cpp: In function 'void dfs(int, int, int)':
swap.cpp:15:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(i=0;i<V[p].size();i++){
~^~~~~~~~~~~~
swap.cpp:18:7: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
if(i < V[p].size()){
~~^~~~~~~~~~~~~
swap.cpp: In function 'int main()':
swap.cpp:66:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(j=0;j<V[i].size();j++){
~^~~~~~~~~~~~
swap.cpp:51:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d", &n);
~~~~~^~~~~~~~~~
swap.cpp:54:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d", A+i);
~~~~~^~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
12 ms |
9848 KB |
Output is correct |
| 2 |
Correct |
11 ms |
9960 KB |
Output is correct |
| 3 |
Runtime error |
836 ms |
263168 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
| 4 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
12 ms |
9848 KB |
Output is correct |
| 2 |
Correct |
11 ms |
9960 KB |
Output is correct |
| 3 |
Runtime error |
836 ms |
263168 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
| 4 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
12 ms |
9848 KB |
Output is correct |
| 2 |
Correct |
11 ms |
9960 KB |
Output is correct |
| 3 |
Runtime error |
836 ms |
263168 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
| 4 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
12 ms |
9848 KB |
Output is correct |
| 2 |
Correct |
11 ms |
9960 KB |
Output is correct |
| 3 |
Runtime error |
836 ms |
263168 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
| 4 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
12 ms |
9848 KB |
Output is correct |
| 2 |
Correct |
11 ms |
9960 KB |
Output is correct |
| 3 |
Runtime error |
836 ms |
263168 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
| 4 |
Halted |
0 ms |
0 KB |
- |
