Submission #1121132

#	Time	Username	Problem	Language	Result	Execution time	Memory
1121132		SalihSahin	Scales (IOI15_scales)	C++14	71.43 / 100	2 ms	592 KiB

scales

#include <bits/stdc++.h>
#define pb push_back
using namespace std;
#include "scales.h"
 
vector<int> perm(6);
 
void init(int T) {
    for(int i = 0; i < 6; i++) perm[i] = i+1;
    random_shuffle(perm.begin(), perm.end());
}
 
void orderCoins(){
    mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
    random_shuffle(perm.begin(), perm.end());
    shuffle(perm.begin(), perm.end(), rng);
 
    int W[6];
    int x = getLightest(perm[0], perm[1], perm[2]);
    vector<int> rem;
    for(int i = 0; i < 3; i++){
        if(perm[i] != x) rem.pb(perm[i]);
    }
    int y = getHeaviest(rem[0], rem[1], perm[3]);
    vector<int> rem2;
    for(int i = 0; i < 4; i++){
        if(perm[i] != y && perm[i] != x) rem2.pb(perm[i]);
    }
 
    int z = getMedian(rem2[0], rem2[1], x);
    vector<int> l = {-1, -1, -1, y};
 
    if(z == x){
        l[1] = x;
        l[2] = rem2[0];
        l[0] = rem2[1]; 
    }
    else if(z == rem2[0]){
        l[0] = x;
        l[1] = z;
        l[2] = rem2[1];
    }
    else{
        l[0] = x;
        l[1] = rem2[1];
        l[2] = rem2[0];
    }
 
    //for(int i = 0; i < 4; i++) cout<<l[i]<<" ";
    //cout<<endl;
    // 1, 2, 3, 4 ---- 5 ve 6 kaldı 3 islemde
 
    vector<int> l2 = {-1, -1, -1, -1, -1};
 
    int k = getMedian(l[0], l[2], perm[4]);
    if(k == perm[4]){
        int k2 = getMedian(l[0], l[1], perm[4]);
        if(k2 == l[1]) l2 = {l[0], l[1], perm[4], l[2], l[3]};
        else l2 = {l[0], perm[4], l[1], l[2], l[3]};
    }
    else if(k == l[0]) l2 = {perm[4], l[0], l[1], l[2], l[3]};
    else if(k == l[2]){
        int k2 = getMedian(l[2], l[3], perm[4]);
        if(k2 == l[3]) l2 = {l[0], l[1], l[2], l[3], perm[4]};
        else l2 = {l[0], l[1], l[2], perm[4], l[3]};
    }
 
    l = l2;
    //for(int i = 0; i < 5; i++) cout<<l[i]<<" ";
    //cout<<endl;
 
    vector<int> res = {-1, -1, -1, -1, -1, -1};
    k = getMedian(l[1], l[3], perm[5]);
    if(k == perm[5]){
        int k2 = getMedian(l[1], l[2], perm[5]);
        if(k2 == l[2]) res = {l[0], l[1], l[2], perm[5], l[3], l[4]};
        else res = {l[0], l[1], perm[5], l[2], l[3], l[4]};
    }
    else if(k == l[1]){
        int k2 = getMedian(l[0], l[1], perm[5]);
        if(k2 == l[0]) res = {perm[5], l[0], l[1], l[2], l[3], l[4]};
        else res = {l[0], perm[5], l[1], l[2], l[3], l[4]};
    }
    else if(k == l[3]){
        int k2 = getMedian(l[3], l[4], perm[5]);
        if(k2 == l[4]) res = {l[0], l[1], l[2], l[3], l[4], perm[5]};
        else res = {l[0], l[1], l[2], l[3], perm[5], l[4]};
    }
 
    for(int i = 0; i < 6; i++){
        W[i] = res[i];
    }
 
    answer(W);
}

Compilation message (stderr)

scales.cpp: In function 'void init(int)':
scales.cpp:8:15: warning: unused parameter 'T' [-Wunused-parameter]
    8 | void init(int T) {
      |           ~~~~^

• Subtask 1: 71.428571 / 100