//CEOI '16 P1
//Problem: ICC
//Link: https://oj.uz/problem/view/CEOI16_icc
#include <bits/stdc++.h>
#include "icc.h"
using namespace std;
#define lg long long
const lg MOD = 1e9+7, N = 101, M = 1e7+1, SZ = 1e3+1;
lg par[N], compSize[N];
lg getParent(lg src)
{
if(src == par[src]) return src;
return par[src] = getParent(par[src]);
}
void join(lg u, lg v)
{
u = getParent(u), v = getParent(v);
if(u == v) return;
if(compSize[u] > compSize[v]) swap(u, v);
par[u] = v;
compSize[v] += compSize[u];
}
void run(int n)
{
for(int i = 1; i <= n; i++) par[i] = i, compSize[i] = 1;
lg x = n-1;
while(x--)
{
map<lg, lg> mp;
for(int i = 1; i <= n; i++)
{
vector<lg> v;
for(int j = 1; j <= n; j++) if(getParent(i) != getParent(j) && !mp.count(j)) v.push_back(j);
int arr[v.size()];
for(int j = 0; j < v.size(); j++) arr[j] = v[j];
int h[1] = {i};
bool flag = query(1, v.size(), h, arr);
mp[i]++;
if(!flag) continue;
lg sz = v.size();
while(true)
{
if(sz == 1)
{
join(h[0], v[0]);
setRoad(h[0], v[0]);
break;
}
lg mid = sz/2;
int a[mid+1];
for(int i = 0; i < mid; i++)
{
a[i] = v[i];
}
bool flag = query(1, mid+1, h, a);
if(flag)
{
v.resize(mid+1);
for(int i = 0; i < mid+1; i++) v[i] = a[i];
}
else{
vector<lg> bef = v;
v.resize(v.size()-mid-1);
for(int i = mid+1; i < v.size(); i++) v[i-mid-1] = bef[i];
}
}
}
}
}
Compilation message
icc.cpp: In function 'void run(int)':
icc.cpp:44:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
44 | for(int j = 0; j < v.size(); j++) arr[j] = v[j];
| ~~^~~~~~~~~~
icc.cpp:73:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
73 | for(int i = mid+1; i < v.size(); i++) v[i-mid-1] = bef[i];
| ~~^~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
468 KB |
Query cities not in range [1, n] |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
7 ms |
500 KB |
Query cities not in range [1, n] |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
8 ms |
500 KB |
Query cities not in range [1, n] |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
17 ms |
500 KB |
Query cities not in range [1, n] |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
15 ms |
500 KB |
Query cities not in range [1, n] |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
8 ms |
468 KB |
Query cities not in range [1, n] |
2 |
Halted |
0 ms |
0 KB |
- |