#include <stdio.h>
#include <vector>
#include <queue>
using namespace std;
int s[101], l[101];
int p[101];
int mat[101][101];
int pos[101];
int n;
int sign,d;
int tp_sort(queue<int> &q, int s, int *vt, int *ind, vector<int> edge[101], int debug = 0) {
int vis = 0;
//int sign = q.top() < 0 ? -1 : 1;
while (q.size()) {
int u = q.front(); q.pop();
if (u < 0) u = -u;
vt[u] = s++;
++vis;
if (debug) printf("v:%d\n", u);
for (auto v : edge[u]) {
if (--ind[v] == 0)
q.push(v);
}
}
return vis;
}
int dfs(int x, int dst, vector<int> edge[101]) {
if (dst == x) return 1;
for (auto nxt : edge[x]) {
if (dfs(nxt, dst, edge)) return 1;
}
return 0;
}
void perm_sort(int root, int &num, int *vt, int *ind, vector<int> *edge, vector<int> *back) {
//back tracking by q(limit)
queue<int> q; q.push(root);
priority_queue<int> pq;
int src[101] = { 0 };
//int d = -sign;
while (q.size()) {
int u = q.front(); q.pop();
for (auto v : back[u]) {
if (vt[v]) {
++src[u];
continue;
}
q.push(v);
}
if (src[u] == ind[u]) pq.push(u*sign), src[u]++;
}
//tp sort by pq and forward edge
while (pq.size()) {
int x = pq.top(); pq.pop();
x*=sign;
vt[x] = num;
num += d;
for (auto v : edge[x]) {
if (++src[v] == ind[v]) {
pq.push(v*sign);
//if (sign == 1) printf("%d->%d\n",x,v);
}
}
}
//assign
//src,sign,assign num, vt, ind, edge,bk
}
void qry(int x, int y) {//chk pos[x]->pos[y]
//inv edge ok -> no condition
//inv edge no -> there is condition
//cycle -> there is cond.(inclusive indirect)
vector<int> edge[101];
vector<int> loc;
int ind[101] = { 0 };
int myp[101] = { 0 };
for (int i = 1; i <= n; ++i) myp[i] = p[i];
for (int i = x; i <= y; ++i) loc.push_back(pos[i]);
for (int i = 0; i < loc.size(); ++i) {
for (int j = 0; j < loc.size(); ++j) {
if (mat[loc[i]][loc[j]]) {
edge[loc[i]].push_back(loc[j]);
++ind[loc[j]];
}
}
}
//dfs chk
if (dfs(pos[x], pos[y], edge)) {
//printf("%d(%d)->%d(%d) ok\n",pos[x],x,pos[y],y);
return;
}
edge[pos[y]].push_back(pos[x]);//inv edge
++ind[pos[x]];
queue<int> q;
for (auto v : loc) {
if (ind[v] == 0) q.push(v);
}
if (y - x + 1 == tp_sort(q, x, myp, ind, edge)) {
int i;
i = 1;
for (printf("query"), i = 1; i <= n; ++i) printf(" %d",myp[i]);
printf("\n"); fflush(stdout);
scanf("%d",&i);
if (i) return;
}
//cycle chk
//for (int i = 1; i <= n; ++i) printf("%d ", myp[i]);
//printf("corr?,%d->%d\n", pos[x], pos[y]);
mat[pos[x]][pos[y]] = 1;
}
int main() {
int i;
for (scanf("%d", &n), i = 1; i <= n; ++i) {
scanf("%d", p + i);
pos[p[i]] = i;
}
for (int range = 1; range < n; ++range) {
for (i = 1; i + range <= n; ++i) qry(i, i + range);
}
vector<int> back[101],edge[101];
int ind[101] = { 0 };
int bind[101] = { 0 };
for (i = 1; i <= n; ++i) {
for (int j = 1; j <= n; ++j) {
if (mat[i][j]) {
back[j].push_back(i);
edge[i].push_back(j);
++ind[j];
++bind[i];
}
}
}
int src = 1; d = 1; sign = -1;
for (i = 1; i <= n; ++i) {
if (s[i] == 0) perm_sort(i,src,s,ind,edge,back);
}
d = -1; src = n;
//for (i = n, src = n; i > 0; --i) {
for(i=1;i<=n;++i){
if (l[i] == 0) perm_sort(i, src, l, bind, back, edge);
}
for (printf("end\n"), i = 1; i <= n; ++i) printf("%d ", s[i]);
for (printf("\n"), i = 1; i <= n; ++i) printf("%d ", l[i]);
fflush(stdout);
return 0;
}
Compilation message
zagonetka.cpp: In function 'void qry(int, int)':
zagonetka.cpp:80:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (int i = 0; i < loc.size(); ++i) {
~~^~~~~~~~~~~~
zagonetka.cpp:81:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (int j = 0; j < loc.size(); ++j) {
~~^~~~~~~~~~~~
zagonetka.cpp:105:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d",&i);
~~~~~^~~~~~~~~
zagonetka.cpp: In function 'int main()':
zagonetka.cpp:117:22: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
for (scanf("%d", &n), i = 1; i <= n; ++i) {
~~~~~~~~~~~~~~~^~~~~~~
zagonetka.cpp:118:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d", p + i);
~~~~~^~~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
2 ms |
248 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
17 ms |
248 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
3 ms |
400 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
105 ms |
248 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
