Submission #58424

# Submission time Handle Problem Language Result Execution time Memory
58424 2018-07-17T19:49:54 Z MatheusLealV ICC (CEOI16_icc) C++17
90 / 100
235 ms 880 KB
#include "icc.h"
#define N 105
#define f first
#define s second
#include <bits/stdc++.h>
using namespace std;
typedef pair<int, int> pii;

set<int> grafo[N];

int pai[N], peso[N], ni;

vector<int> el[N];

int Find(int x)
{
    if(x == pai[x]) return x;

    return pai[x] = Find(pai[x]);
}

void join(int a, int b)
{
    a = Find(a), b = Find(b);

    if(a == b) return;

    if(peso[a] > peso[b])
    {
        pai[b] = a;

        for(auto x: el[b]) el[a].push_back(x);
    }

    else if(peso[a] <= peso[b])
    {
        pai[a] = b;

        for(auto x: el[a]) el[b].push_back(x);

        if(peso[a] == peso[b]) peso[b] ++;
    }
}

inline pii Find_Pair(vector<int> esq, vector<int> dir)
{
    int ini = 0, fim = dir.size() - 2, mid, best1 = dir.size() - 1, best2 = esq.size() - 1;

    int A[N], idl = 0, aux[N], idaux = 0;

    for(int i = 0; i < esq.size(); i++) A[idl] = esq[i], idl ++;

    for(int i = 0; i < dir.size(); i++) aux[i] = dir[i];

    if(!query((int)esq.size(), (int) dir.size(), A, aux)) return {-1, -1}; 

    while(fim >= ini)
    {
        mid = (ini + fim)/2;

        int B[N], idr = 0;

        for(int i = 0; i <= mid; i++) B[idr] = dir[i], idr ++;

        if(query(idl, idr, A, B))
        {
            best1 = mid;

            fim = mid - 1;
        }

        else ini = mid + 1;
    }

    ini = 0, fim = esq.size() - 2, mid;

    idl = 0;

    for(int i = 0; i < dir.size(); i++) A[idl] = dir[i], idl ++;

    while(fim >= ini)
    {
        mid = (ini + fim)/2;

        int B[N], idr = 0;

        for(int i = 0; i <= mid; i++) B[idr] = esq[i], idr ++;

        if(query(idl, idr, A, B))
        {
            best2 = mid;

            fim = mid - 1;
        }

        else ini = mid + 1;
    }

    if(best1 == -1 and best2 == -1) return {-1, -1};

    return {dir[best1], esq[best2]};
}

void run(int n)
{
    ni = n;

    for(int i = 1; i <= n; i++) pai[i] = i, el[i].push_back(i);

    for(int i = 1; i < n; i++)
    {
        set<int> aux; vector<int> val;

        for(int i = 1; i <= n; i++) aux.insert(Find(i));

        for(auto x: aux) val.push_back(x);

        vector<int> bits;

        for(int k = 0; k < 7; k++) bits.push_back(k);

        random_shuffle(bits.begin(), bits.end());

        for(auto k: bits)
        {
            vector<int> esq, dir;

            for(int i = 0; i < val.size(); i++)
            {
                if(i & (1<<k))
                {
                    int x = val[i];

                    for(auto v: el[x]) esq.push_back(v);
                }

                else
                {
                    int x = val[i];

                    for(auto v: el[x]) dir.push_back(v);
                }
            }

            if(esq.size() == 0 or dir.size() == 0) continue;

            pii P = Find_Pair(esq, dir);

            if(P.f != -1 and P.s != -1)
            {
                setRoad(P.f, P.s);

                join(P.f, P.s);

                break;
            }
        }
    }
}

Compilation message

icc.cpp:4:11: warning: literal operator suffixes not preceded by '_' are reserved for future standardization [-Wliteral-suffix]
 #define s second
           ^
icc.cpp:4:11: warning: literal operator suffixes not preceded by '_' are reserved for future standardization [-Wliteral-suffix]
 #define s second
           ^
icc.cpp:4:11: warning: literal operator suffixes not preceded by '_' are reserved for future standardization [-Wliteral-suffix]
 #define s second
           ^
icc.cpp:4:11: warning: literal operator suffixes not preceded by '_' are reserved for future standardization [-Wliteral-suffix]
 #define s second
           ^
icc.cpp:4:11: warning: literal operator suffixes not preceded by '_' are reserved for future standardization [-Wliteral-suffix]
 #define s second
           ^
icc.cpp:4:11: warning: literal operator suffixes not preceded by '_' are reserved for future standardization [-Wliteral-suffix]
 #define s second
           ^
icc.cpp: In function 'pii Find_Pair(std::vector<int>, std::vector<int>)':
icc.cpp:51:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i = 0; i < esq.size(); i++) A[idl] = esq[i], idl ++;
                    ~~^~~~~~~~~~~~
icc.cpp:53:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i = 0; i < dir.size(); i++) aux[i] = dir[i];
                    ~~^~~~~~~~~~~~
icc.cpp:75:39: warning: right operand of comma operator has no effect [-Wunused-value]
     ini = 0, fim = esq.size() - 2, mid;
                                       ^
icc.cpp:79:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i = 0; i < dir.size(); i++) A[idl] = dir[i], idl ++;
                    ~~^~~~~~~~~~~~
icc.cpp:49:32: warning: unused variable 'idaux' [-Wunused-variable]
     int A[N], idl = 0, aux[N], idaux = 0;
                                ^~~~~
icc.cpp: In function 'void run(int)':
icc.cpp:128:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             for(int i = 0; i < val.size(); i++)
                            ~~^~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 9 ms 504 KB Ok! 106 queries used.
2 Correct 9 ms 612 KB Ok! 105 queries used.
# Verdict Execution time Memory Grader output
1 Correct 42 ms 664 KB Ok! 532 queries used.
2 Correct 54 ms 740 KB Ok! 690 queries used.
3 Correct 55 ms 740 KB Ok! 680 queries used.
# Verdict Execution time Memory Grader output
1 Correct 153 ms 848 KB Ok! 1474 queries used.
2 Correct 173 ms 848 KB Ok! 1701 queries used.
3 Correct 173 ms 848 KB Ok! 1641 queries used.
4 Correct 177 ms 848 KB Ok! 1548 queries used.
# Verdict Execution time Memory Grader output
1 Correct 167 ms 880 KB Ok! 1505 queries used.
2 Correct 196 ms 880 KB Ok! 1605 queries used.
3 Correct 229 ms 880 KB Ok! 1637 queries used.
4 Correct 178 ms 880 KB Ok! 1508 queries used.
# Verdict Execution time Memory Grader output
1 Correct 179 ms 880 KB Ok! 1647 queries used.
2 Correct 192 ms 880 KB Ok! 1662 queries used.
3 Correct 193 ms 880 KB Ok! 1674 queries used.
4 Correct 181 ms 880 KB Ok! 1652 queries used.
5 Correct 235 ms 880 KB Ok! 1528 queries used.
6 Correct 193 ms 880 KB Ok! 1585 queries used.
# Verdict Execution time Memory Grader output
1 Incorrect 180 ms 880 KB Too many queries! 1650 out of 1625
2 Halted 0 ms 0 KB -