| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 864434 |
2023-10-22T20:55:43 Z |
Ahmed57 |
ICC (CEOI16_icc) |
C++17 |
|
118 ms |
3232 KB |
#include <bits/stdc++.h>
using namespace std;
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
#define ordered_set tree<int, null_type,less<int>, rb_tree_tag,tree_order_statistics_node_update>
#include "icc.h"
int p[100001];
vector<int> v[100001];
int find(int x){
if(x==p[x])return x;
return p[x] = find(p[x]);
}
void merge(int a,int b){
a = find(a) , b = find(b);
if(a==b)return ;
if(v[a].size()<v[b].size())swap(a,b);
p[b] = a;
while(v[b].size()){
v[a].push_back(v[b].back());v[b].pop_back();
}
}
int quer(int a,int b,vector<int>A , vector<int> B){
int AA[a];
for(int i = 0;i<A.size();i++)AA[i] = A[i];
int BB[b];
for(int i = 0;i<B.size();i++)BB[i] = B[i];
return query(a,b,AA,BB);
}
mt19937 rng;
void run(int n){
rng.seed(time(0));
for(int i = 1;i<=n;i++){
p[i] = i;
v[i].push_back(i);
}
for(int it = 0;it<n-1;it++){
vector<int> a , b;
for(int xd = 0;;xd++){
ordered_set lol;
vector<int> fi , se;
for(int i = 1;i<=n;i++){
if(i==find(i))lol.insert(i);
}
for(int i = 0;i<(n-it)/2;i++){
int x = rng()%lol.size();
auto it = lol.find_by_order(x);
for(auto a3:v[(*it)])fi.push_back(a3);
lol.erase(it);
}
for(auto i:lol){
for(auto a3:v[i])se.push_back(a3);
}
if(quer(fi.size(),se.size(),fi,se)){
a = fi , b = se;
break;
}
}
while(a.size()>1||b.size()>1){
if(a.size()<b.size())swap(a,b);
vector<int> A,B;
for(int i = 0;i<a.size();i++){
A.push_back(a[i]);
}for(int i = 0;i<max(int(b.size()/2),1);i++){
B.push_back(b[i]);
}
if(quer(A.size(),B.size(),A,B)){
A.clear();
for(int i = 0;i<max(int(a.size()/2),1);i++){
A.push_back(a[i]);
}
if(quer(A.size(),B.size(),A,B)){
a = A , b = B;
continue;
}else{
A.clear();
for(int i = a.size()/2;i<a.size();i++){
A.push_back(a[i]);
}
a = A;b = B;
continue;
}
continue;
}else{
B.clear();
for(int i = b.size()/2;i<b.size();i++){
B.push_back(b[i]);
}
A.clear();
for(int i = 0;i<max(int(a.size()/2),1);i++){
A.push_back(a[i]);
}
if(quer(A.size(),B.size(),A,B)){
a = A , b = B;
continue;
}else{
A.clear();
for(int i = a.size()/2;i<a.size();i++){
A.push_back(a[i]);
}
a = A;b = B;
continue;
}
continue;
}
}
setRoad(a[0],b[0]);
merge(a[0],b[0]);
}
}
/*int main(){
}*/
Compilation message
icc.cpp: In function 'int quer(int, int, std::vector<int>, std::vector<int>)':
icc.cpp:27:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
27 | for(int i = 0;i<A.size();i++)AA[i] = A[i];
| ~^~~~~~~~~
icc.cpp:29:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
29 | for(int i = 0;i<B.size();i++)BB[i] = B[i];
| ~^~~~~~~~~
icc.cpp: In function 'void run(int)':
icc.cpp:64:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
64 | for(int i = 0;i<a.size();i++){
| ~^~~~~~~~~
icc.cpp:79:45: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
79 | for(int i = a.size()/2;i<a.size();i++){
| ~^~~~~~~~~
icc.cpp:88:41: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
88 | for(int i = b.size()/2;i<b.size();i++){
| ~^~~~~~~~~
icc.cpp:100:45: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
100 | for(int i = a.size()/2;i<a.size();i++){
| ~^~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
2908 KB |
Ok! 108 queries used. |
| 2 |
Correct |
5 ms |
2908 KB |
Ok! 121 queries used. |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
26 ms |
2908 KB |
Ok! 658 queries used. |
| 2 |
Correct |
36 ms |
2980 KB |
Ok! 881 queries used. |
| 3 |
Correct |
42 ms |
2908 KB |
Ok! 879 queries used. |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
91 ms |
2984 KB |
Ok! 1701 queries used. |
| 2 |
Correct |
118 ms |
2980 KB |
Ok! 2190 queries used. |
| 3 |
Correct |
100 ms |
2984 KB |
Ok! 1963 queries used. |
| 4 |
Correct |
103 ms |
2980 KB |
Ok! 1901 queries used. |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
96 ms |
2980 KB |
Ok! 1859 queries used. |
| 2 |
Correct |
113 ms |
2976 KB |
Ok! 1888 queries used. |
| 3 |
Correct |
115 ms |
2908 KB |
Ok! 1997 queries used. |
| 4 |
Correct |
108 ms |
3232 KB |
Ok! 1894 queries used. |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
107 ms |
2976 KB |
Too many queries! 2035 out of 1775 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
109 ms |
2992 KB |
Too many queries! 2053 out of 1625 |
| 2 |
Halted |
0 ms |
0 KB |
- |
