Submission #1091840

#	Time	Username	Problem	Language	Result	Execution time	Memory
1091840		MMihalev	Scales (IOI15_scales)	C++14	0 / 100	1 ms	424 KiB

scales

#include "scales.h"
#include<deque>
#include<stack>
using namespace std;
void init(int T)
{
    /* ... */
}
deque<int>q;
void fr(int x,int num)
{
    stack<int>s;
    while(x--){s.push(q.front());q.pop_front();}
    q.push_front(num);
    while(s.size()){q.push_front(s.top());s.pop();}
}
void bk(int x,int num)
{
    stack<int>s;
    while(x--){s.push(q.back());q.pop_back();}
    q.push_back(num);
    while(s.size()){q.push_back(s.top());s.pop();}
}
void orderCoins()
{
    int W[6];

    int a=1;
    int c=getNextLightest(2,3,4,1);
    int b=2;
    if(c==2)b=3;

    int d=((4^a)^(b^c));

    int mid=getMedian(a,b,c);

    if(mid==a)
    {
        //b a c
        int mid2=getMedian(a,b,d);
        if(mid2==b)
        {
            q.push_back(d);q.push_back(b);q.push_back(a);q.push_back(c);
        }
        else if(mid2==d)
        {
            q.push_back(b);q.push_back(d);q.push_back(a);q.push_back(c);
        }
        else
        {
            q.push_back(b);q.push_back(a);q.push_back(c);q.push_back(d);
        }
    }
    else if(mid==c)
    {
        //a c b
        int mid2=getMedian(a,b,d);
        if(mid2==a)
        {
            q.push_back(d);q.push_back(a);q.push_back(c);q.push_back(b);
        }
        else if(mid2==d)
        {
            q.push_back(a);q.push_back(c);q.push_back(d);q.push_back(b);
        }
        else
        {
            q.push_back(a);q.push_back(c);q.push_back(b);q.push_back(d);
        }
    }
    else
    {
        //c b a
        int lig=getLightest(a,b,d);
        if(lig==b)
        {
            q.push_back(c);q.push_back(b);q.push_back(d);q.push_back(a);
        }
        else q.push_back(c);q.push_back(d);q.push_back(b);q.push_back(a);
    }

    for(int cur=5;cur<=6;cur++)
    {
        mid=getMedian(q[1],q[q.size()-2],cur);

        if(mid==cur)
        {
            if(cur==5)fr(2,cur);
            else
            {
                int mid2=getMedian(q[1],q[2],cur);
                if(mid2==cur)fr(2,cur);
                else fr(3,cur);
            }
        }
        else if(mid==q[1])
        {
            int mid2=getMedian(q[0],q[1],cur);
            if(mid2==cur)fr(1,cur);
            else fr(0,cur);
        }
        else
        {
            int mid2=getMedian(q[q.size()-1],q[q.size()-2],cur);
            if(mid2==cur)bk(1,cur);
            else bk(0,cur);
        }
    }

    answer(W);
}

Compilation message (stderr)

scales.cpp: In function 'void init(int)':
scales.cpp:5:15: warning: unused parameter 'T' [-Wunused-parameter]
    5 | void init(int T)
      |           ~~~~^
scales.cpp: In function 'void orderCoins()':
scales.cpp:79:9: warning: this 'else' clause does not guard... [-Wmisleading-indentation]
   79 |         else q.push_back(c);q.push_back(d);q.push_back(b);q.push_back(a);
      |         ^~~~
scales.cpp:79:29: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'else'
   79 |         else q.push_back(c);q.push_back(d);q.push_back(b);q.push_back(a);
      |                             ^

• Subtask 1: 0 / 100