#include <bits/stdc++.h>
#include "icc.h"
using namespace std;
#define MOD 1000000007
#define ll long long int
#define vi vector<int>
#define vii vector< vector<int> >
#define PI 3.1415926535897932384626433832795
#define INF 9223372036854775807LL
//13:22
int root[105];
int findroot(int x) {
if(root[x] != x) {
root[x] = findroot(root[x]);
}
return root[x];
}
void join(int a, int b) {
if(rand()%2) {
root[findroot(a)] = findroot(b);
} else {
root[findroot(b)] = findroot(a);
}
}
void run(int n) {
srand(42);
for(int i = 1; i <= n; i++) {
root[i] = i;
}
for(int i = 1; i < n; i++) {
set<int> roots;
vii inroot(n+1,vi());
for(int i = 1; i <= n; i++) {
roots.insert(findroot(i));
inroot[root[i]].push_back(i);
}
int x,y;
x = -1;
y = -1;
vector<int> root1;
vector<int> root1gr;
vector<int> root2;
vector<int> root2gr;
while(true) {
root1.clear();
root2.clear();
root1gr.clear();
root2gr.clear();
int s1 = 0;
int s2 = 0;
for(int rt : roots) {
if(rand()%2) {
root1.push_back(rt);
s1+= inroot[rt];
} else {
root2.push_back(rt);
s2+= inroot[rt];
}
}
if(root2.empty()) {
root2.push_back(root1.back());
root1.pop_back();
}
if(root1.empty()) {
root1.push_back(root2.back());
root2.pop_back();
}
int a[s1];
int ind = 0;
for(int rt : root1) {
for(int el : inroot[rt]) {
a[ind++] = el;
root1gr.push_back(el);
}
}
ind = 0;
int b[s2];
for(int rt : root2) {
for(int el : inroot[rt]) {
b[ind++] = el;
root2gr.push_back(el);
}
}
int an = query(s1,s2,a,b);
if(an == 1) {
break;
}
}
int ind = 0;
int b[root2gr.size()];
for(int el : root2gr) {
b[ind++] = el;
}
vector<int> gr1;
vector<int> gr2;
ind = 0;
for(int el : root1gr) {
if(ind*2 < root1gr.size()) {
gr1.push_back(el);
} else {
gr2.push_back(el);
}
ind++;
}
while(gr1.size() > 0 && gr2.size() > 0) {
int a[gr1.size()];
ind = 0;
for(int el : gr1) {
a[ind++] = el;
}
int an = query(gr1.size(),root2gr.size(),a,b);
if(an) {
gr2.clear();
int ind = 0;
for(int el : gr1) {
if(ind*2 >= gr1.size()) {
gr2.push_back(el);
}
ind++;
}
for(int tim = 0; tim < gr2.size(); tim++) {
gr1.pop_back();
}
} else {
gr1.clear();
int ind = 0;
for(int el : gr2) {
if(ind*2 >= gr2.size()) {
gr1.push_back(el);
}
ind++;
}
for(int tim = 0; tim < gr1.size(); tim++) {
gr2.pop_back();
}
}
}
if(gr1.empty()) {
x = gr2[0];
} else {
x = gr1[0];
}
gr1.clear();
gr2.clear();
ind = 0;
for(int el : root2gr) {
if(ind*2 < root2gr.size()) {
gr1.push_back(el);
} else {
gr2.push_back(el);
}
ind++;
}
while(gr1.size() > 0 && gr2.size() > 0) {
int bb[gr1.size()];
int a[1];
a[0] = x;
ind = 0;
for(int el : gr1) {
bb[ind++] = el;
}
int an = query(1,gr1.size(),a,bb);
if(an) {
gr2.clear();
int ind = 0;
for(int el : gr1) {
if(ind*2 >= gr1.size()) {
gr2.push_back(el);
}
ind++;
}
for(int tim = 0; tim < gr2.size(); tim++) {
gr1.pop_back();
}
} else {
gr1.clear();
int ind = 0;
for(int el : gr2) {
if(ind*2 >= gr2.size()) {
gr1.push_back(el);
}
ind++;
}
for(int tim = 0; tim < gr1.size(); tim++) {
gr2.pop_back();
}
}
}
if(gr1.empty()) {
y = gr2[0];
} else {
y = gr1[0];
}
join(x,y);
setRoad(x,y);
}
}
Compilation message
icc.cpp: In function 'void run(int)':
icc.cpp:60:8: error: no match for 'operator+=' (operand types are 'int' and '__gnu_cxx::__alloc_traits<std::allocator<std::vector<int> > >::value_type {aka std::vector<int>}')
s1+= inroot[rt];
icc.cpp:63:8: error: no match for 'operator+=' (operand types are 'int' and '__gnu_cxx::__alloc_traits<std::allocator<std::vector<int> > >::value_type {aka std::vector<int>}')
s2+= inroot[rt];
icc.cpp:104:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
if(ind*2 < root1gr.size()) {
~~~~~~^~~~~~~~~~~~~~~~
icc.cpp:122:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
if(ind*2 >= gr1.size()) {
~~~~~~^~~~~~~~~~~~~
icc.cpp:127:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int tim = 0; tim < gr2.size(); tim++) {
~~~~^~~~~~~~~~~~
icc.cpp:134:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
if(ind*2 >= gr2.size()) {
~~~~~~^~~~~~~~~~~~~
icc.cpp:139:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int tim = 0; tim < gr1.size(); tim++) {
~~~~^~~~~~~~~~~~
icc.cpp:153:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
if(ind*2 < root2gr.size()) {
~~~~~~^~~~~~~~~~~~~~~~
icc.cpp:173:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
if(ind*2 >= gr1.size()) {
~~~~~~^~~~~~~~~~~~~
icc.cpp:178:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int tim = 0; tim < gr2.size(); tim++) {
~~~~^~~~~~~~~~~~
icc.cpp:185:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
if(ind*2 >= gr2.size()) {
~~~~~~^~~~~~~~~~~~~
icc.cpp:190:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int tim = 0; tim < gr1.size(); tim++) {
~~~~^~~~~~~~~~~~
