Submission #532325

#	Time	Username	Problem	Language	Result	Execution time	Memory
532325		gg123_pe	ICC (CEOI16_icc)	C++14	90 / 100	131 ms	580 KiB

icc

#include <bits/stdc++.h>
#include "icc.h"
using namespace std; 

typedef pair<int,int> ii; 
#define f(i,a,b) for(int i = a; i < b; i++)
#define ff first 
#define ss second 

int n, p[105], a[105], b[105]; 
vector <int> adj[105], parents; 

void divide(vector <ii> v1, vector <ii> v2, vector <ii> &a1, vector <ii> &a2){
    for(auto p: v1){
        int l = p.ff, r = p.ss, sz = r-l+1; 
        if(sz > 1) a1.push_back({l, l+(sz/2)-1}), a2.push_back({l+(sz/2), r}); 
        else a1.push_back({l, r}); 
    }
    for(auto p: v2){
        int l = p.ff, r = p.ss, sz = r-l+1; 
        if(sz > 1) a1.push_back({l, l+(sz/2)-1}), a2.push_back({l+(sz/2), r}); 
        else a1.push_back({l, r}); 
    }
}

vector <int> get(vector <ii> v){
    vector <int> ra; 
    for(auto p: v){
        int l = p.ff, r = p.ss; 
        f(i,l,r+1) for(int x: adj[parents[i]]) ra.push_back(x);
    }
    return ra; 
}
bool Q(int x, int y, vector <int> ra, vector <int> ta){
    f(i,0,x) a[i] = ra[i]; 
    f(i,0,y) b[i] = ta[i]; 
    return query(x, y, a, b); 
}
void run(int x){ 
    n = x; 
    f(i,1,n+1) adj[i] = {i}, p[i] = i; 

    f(ra,1,n){
        parents.clear(); vector <ii> v1, v2;  vector <int> V1, V2; 
        f(i,1,n+1) if(adj[i].size()) parents.push_back(i);

        int sz = parents.size(); 
        v1 = {{0, sz-1}}; 
        while(1){
            vector <ii> aux1, aux2; 
            divide(v1, v2, aux1, aux2);
            v1 = aux1, v2 = aux2; 
            V1 = get(v1), V2 = get(v2); 
            if(Q(V1.size(), V2.size(), V1, V2)) break;
        }
        while(V1.size() > 1){
            int s = V1.size();
            vector <int> ra, ta; 
            f(i,0,s/2) ra.push_back(V1[i]); f(i,s/2,s) ta.push_back(V1[i]);

            int e = rand()%2; 
            if(e == 1){
                if(Q(V2.size(), ra.size(), V2, ra)) V1 = ra; 
                else V1 = ta; 
            }
            else{
                if(Q(V2.size(), ta.size(), V2, ta)) V1 = ta; 
                else V1 = ra; 
            }
        }
        while(V2.size() > 1){
            int s = V2.size();
            vector <int> ra, ta; 
            f(i,0,s/2) ra.push_back(V2[i]); f(i,s/2,s) ta.push_back(V2[i]);

            int e = rand()%2; 
            if(e == 1){
                if(Q(V1.size(), ra.size(), V1, ra)) V2 = ra; 
                else V2 = ta; 
            }
            else{
                if(Q(V1.size(), ta.size(), V1, ta)) V2 = ta; 
                else V2 = ra; 
            }
        }
        int x = V1[0], y = V2[0];
        setRoad(x, y);
        x = p[x], y = p[y]; 
        for(int wi: adj[x]) p[wi] = y, adj[y].push_back(wi);
        adj[x].clear();  
    }
}

• Subtask 1: 7 / 7
• Subtask 2: 11 / 11
• Subtask 3: 22 / 22
• Subtask 4: 21 / 21
• Subtask 5: 29 / 29
• Subtask 6: 0 / 10