oj.uz

Submission #231069

# Submission time Handle Problem Language Result Execution time Memory
231069 2020-05-12T14:47:15 Z nicolaalexandra ICC (CEOI16_icc) C++14
0 / 100
 50 ms 512 KB 
#include <bits/stdc++.h>
#include "icc.h"
#define DIM 200
using namespace std;
vector <int> L[DIM],comp[DIM],w;
int n,i,x,y,k,k2,el;
int v[DIM],t[DIM],aux[DIM],a[DIM],b[DIM];

/*int query (int n, int m, int a[], int b[]){
    int ans;
    cout<<n<<" ";
    for (int i=0;i<n;i++)
        cout<<a[i]<<" ";
    cout<<endl;
    cout<<m<<" ";
    for (int i=0;i<m;i++)
        cout<<b[i]<<" ";
    cout<<endl;
    cin>>ans;
    return ans;
}
void setRoad (int x, int y){
    cout<<x<<" "<<y<<endl;
}
*/


void _union (int x, int y){
    if (t[x] > t[y])
        swap (x,y);
    for (int i=1;i<=n;i++){
        if (i != y && t[i] == t[y])
            t[i] = t[x];
        else {
            if (t[i] > t[y])
                t[i]--;
        }
    }
    t[y] = t[x];
}


void run (int n){
    int k,k2,el;
    for (int i=1;i<=n;i++)
        t[i] = i;
    for (int pas=1;pas<n;pas++){
        /// impart componentele conexe in doua multimi

        for (int bit=0;bit<8;bit++){
            k = 0, k2 = 0;

            for (int i=1;i<=n;i++){
                int val = t[i];
                if (val&(1<<bit))
                    a[k++] = i;
                else b[k2++] = i;
            }

            if (!k || !k2)
                continue;

            if (query(k,k2,a,b)){ /// am gasit cele doua multimi

                int val = k;
                while (val > 1){
                    int mid = val/2;

                    if (query(mid,k2,a,b))
                        val = mid;
                    else {
                        for (int i=mid;i<val;i++)
                            a[i-mid] = a[i];
                        val -= mid;
                    }
                }
                x = a[0], k = 1;

                val = k2;
                while (val > 1){
                    int mid = val/2;

                    if (query(k,mid,a,b))
                        val = mid;
                    else {
                        for (int i=mid;i<val;i++)
                            b[i-mid] = b[i];
                        val -= mid;
                    }
                }
                y = b[0], k2 = 1;

                setRoad(x,y);
                _union (x,y);

                break;
            }
        }
    }
}

Compilation message

icc.cpp: In function 'void run(int)':
icc.cpp:44:14: warning: unused variable 'el' [-Wunused-variable]
     int k,k2,el;
              ^~

Subtask #1
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 6 ms 512 KB Wrong road!
2 Halted 0 ms 0 KB -

Subtask #2
0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 8 ms 512 KB Wrong road!
2 Halted 0 ms 0 KB -

Subtask #3
0 / 22.0

# Verdict Execution time Memory Grader output
1 Incorrect 16 ms 512 KB Wrong road!
2 Halted 0 ms 0 KB -

Subtask #4
0 / 21.0

# Verdict Execution time Memory Grader output
1 Incorrect 17 ms 512 KB Wrong road!
2 Halted 0 ms 0 KB -

Subtask #5
0 / 29.0

# Verdict Execution time Memory Grader output
1 Incorrect 50 ms 512 KB Wrong road!
2 Halted 0 ms 0 KB -

Subtask #6
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 14 ms 512 KB Wrong road!
2 Halted 0 ms 0 KB -