#include "interactive.h"
#include<bits/stdc++.h>
#define pb push_back
using namespace std;
vector<int>ans;
vector<int>layer[10];
vector<int>layerr[10];
vector<int>anss[10];
vector<int>ress[405];
int kk[10]={0};
void build_1(int id, int l, int r, int la){
if (id%2==0 && la!=0){
map<int, int>vis;
for (int i=0;i<ress[id/2-1].size();i++)vis[ress[id/2-1][i]]++;
for (int i=0;i<ress[id-1].size();i++)vis[ress[id-1][i]]--;
for (int i=0;i<ress[id/2-1].size();i++){
if (vis[ress[id/2-1][i]]!=0)ress[id].pb(ress[id/2-1][i]);
}
}
else{
for (int i=kk[la];i<kk[la]+r-l+1;i++){
ress[id].pb(anss[la][i]);
}
kk[la]+=(r-l+1);
}
if (l==r){
ans.pb(ress[id][0]);
return;
}
int m=(l+r)/2;
build_1(id*2+1, l, m, la+1);
build_1(id*2+2, m+1, r, la+1);
}
void build(int id, int l, int r, int la){
if (id%2==1){
for (int i=l;i<=r;i++){
layer[la].pb(i);
if (i!=1)layerr[la].pb(i);
}
}
if (l==r)return;
int m=(l+r)/2;
build(id*2+1, l, m, la+1);
build(id*2+2, m+1, r, la+1);
}
vector<int>rs;
vector<int>res;
vector<int> guess(int n){
int x=ask(1);
for (int i=1;i<=n;i++)layer[0].pb(i);
for (int i=2;i<=n;i++)layerr[0].pb(i);
build(0, 1, n, 0);
int cur=0;
while(!layer[cur].empty()){
map<int, int>num;
rs=get_pairwise_xor(layer[cur]);
res=get_pairwise_xor(layerr[cur]);
for (int i=0;i<rs.size();i++){
if (rs[i]!=0)num[rs[i]]++;
}
for (int i=0;i<res.size();i++){
if (res[i]!=0)num[res[i]]--;
}
anss[cur].pb(0);
for (int i=0;i<rs.size();i++){
if (rs[i]!=0 && num[rs[i]]!=0){
anss[cur].pb(rs[i]);
num[rs[i]]=0;
}
}
for (int i=0;i<anss[cur].size();i++)anss[cur][i]^=x;
cur++;
}
build_1(0, 1, n, 0);
return ans;
}
Compilation message
Xoractive.cpp: In function 'void build_1(int, int, int, int)':
Xoractive.cpp:14:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
14 | for (int i=0;i<ress[id/2-1].size();i++)vis[ress[id/2-1][i]]++;
| ~^~~~~~~~~~~~~~~~~~~~
Xoractive.cpp:15:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
15 | for (int i=0;i<ress[id-1].size();i++)vis[ress[id-1][i]]--;
| ~^~~~~~~~~~~~~~~~~~
Xoractive.cpp:16:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
16 | for (int i=0;i<ress[id/2-1].size();i++){
| ~^~~~~~~~~~~~~~~~~~~~
Xoractive.cpp: In function 'std::vector<int> guess(int)':
Xoractive.cpp:58:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
58 | for (int i=0;i<rs.size();i++){
| ~^~~~~~~~~~
Xoractive.cpp:61:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
61 | for (int i=0;i<res.size();i++){
| ~^~~~~~~~~~~
Xoractive.cpp:65:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
65 | for (int i=0;i<rs.size();i++){
| ~^~~~~~~~~~
Xoractive.cpp:71:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
71 | for (int i=0;i<anss[cur].size();i++)anss[cur][i]^=x;
| ~^~~~~~~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
200 KB |
Output is correct |
| 2 |
Correct |
0 ms |
200 KB |
Output is correct |
| 3 |
Correct |
0 ms |
200 KB |
Output is correct |
| 4 |
Correct |
0 ms |
200 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
7 ms |
584 KB |
Output is not correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
