Submission #197100

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
197100	2020-01-18 15:41:21	stefdasca	Dancing Elephants (IOI11_elephants)	C++14	100 / 100	6790 ms	12548 KiB

elephants

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#include "elephants.h"
#include <bits/stdc++.h>
using namespace std;
const int mxN=150000, B=550, mxBC=300;
int n, l, *x, uc, bc, r[mxBC];
map<int, int> mp;
vector<int> v[mxBC];
vector<array<int, 2>> w[mxBC];
void init(int N, int L, int X[])
{
    n=N, l=L, x=X;
    for(int i=0; i<n; ++i)
        ++mp[x[i]];
}
void bb(int i)
{
    w[i]=vector<array<int, 2>>(v[i].size());
    for(int j1=(int)v[i].size()-1, j2=v[i].size(); ~j1; --j1)
    {
        while(v[i][j2-1]>v[i][j1]+l)
            --j2;
        if(j2<v[i].size())
            w[i][j1]= array<int, 2> {w[i][j2][0]+1, w[i][j2][1]};
        else
            w[i][j1]= array<int, 2> {1, v[i][j1]+l};
    }
}
 
 
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Compilation message (stderr)

elephants.cpp: In function 'void bb(int)':
elephants.cpp:25:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         if(j2<v[i].size())
            ~~^~~~~~~~~~~~
elephants.cpp: In function 'int update(int, int)':
elephants.cpp:80:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         if(p<v[i].size())
            ~^~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 16 / 16
• Subtask 3: 24 / 24
• Subtask 4: 47 / 47
• Subtask 5: 3 / 3