Submission #439261

#	Time	Username	Problem	Language	Result	Execution time	Memory
439261		hossain2020	Shopping (JOI21_shopping)	C++14	0 / 100	4 ms	388 KiB

Anna

#include "Anna.h"
#include <vector>
#include <bits/stdc++.h>

using namespace std;

namespace {

int n, l, r,k;
int c,o;

}  // namespace
vector <long long > v;

void InitA(int N, int L, int R) {
  n= N;
  l= L;
  r= R;
  int a=r-l;
  for (int i=0;i<18;i++)
  {
      SendA(l%2);
      l/=2;
  }
  l=L;
}

void ReceiveA(bool x)
{
    v.push_back(int(x));
}

int Answer() {
    int o=0,s=0,k=l;
    for (int i=0;i<v.size();)
    {
        s=0;
        o=0;
        for (int j=0;j<18;j++)
        {
            o+=(1<<s)*v[i];
            i++;
            s++;
        }
        o+=l;
        if (o<=r)k=o;
    }
    return k;
}

Bruno

#include "Bruno.h"
#include <vector>
#include <bits/stdc++.h>

using namespace std;

namespace {

int n;
int a[1000000];
int co,o,b,c;
}
void send(int y)
{
    for (int i=0;i<18;i++)
    {
        SendB(y%2);
        y/=2;
    }
}
void InitB(int N, std::vector<int> P) {
  n= N;
  for(int i = 0; i < N; i++) {
    a[i]= P[i];
  }

}

void ReceiveB(bool y) {
    o+=(1<<co)*int(y);
    co++;
    if (co==18)
    {
        b=a[o];
        for (int i=o+1;i<n;i++)
        {
            if (a[i]<b)
            {
                b=a[i];
                send(i-o);
            }
        }
    }
}

Compilation message (stderr)

Anna.cpp: In function 'void InitA(int, int, int)':
Anna.cpp:19:7: warning: unused variable 'a' [-Wunused-variable]
   19 |   int a=r-l;
      |       ^
Anna.cpp: In function 'int Answer()':
Anna.cpp:35:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   35 |     for (int i=0;i<v.size();)
      |                  ~^~~~~~~~~
Anna.cpp: At global scope:
Anna.cpp:10:7: warning: '{anonymous}::o' defined but not used [-Wunused-variable]
   10 | int c,o;
      |       ^
Anna.cpp:10:5: warning: '{anonymous}::c' defined but not used [-Wunused-variable]
   10 | int c,o;
      |     ^
Anna.cpp:9:13: warning: '{anonymous}::k' defined but not used [-Wunused-variable]
    9 | int n, l, r,k;
      |             ^

Bruno.cpp:11:12: warning: '{anonymous}::c' defined but not used [-Wunused-variable]
   11 | int co,o,b,c;
      |            ^

• Subtask 1: 0 / 1
• Subtask 2: 0 / 9
• Subtask 3: 0 / 90