Submission #596315

#	Time	Username	Problem	Language	Result	Execution time	Memory
596315		ibm2006	Flights (JOI22_flights)	C++17	Compilation error	0 ms	0 KiB

Ali

#include "Ali.h"
#include <string>
#include <vector>
#include<bits/stdc++.h>
using namespace std;
typedef int ll;
pair<ll,ll> p[110000];
ll x,y,n,i,j;
void Init(int N, std::vector<int> U, std::vector<int> V) {
  ll i;
  n=N;
  for(i=0;i<N;i++)
    SetID(i,i);
    for(i=0;i<(n-1);i++)
    {
        p[i]={U[i],V[i]};
    }
}
string s;
string SendA(string S) {
  for(i=0;i<(n-1);i++)
  {
      x=p[i].first;
      y=8192;
      for(j=0;j<15;j++)
      {
          if(x/y%2==0)
            s+="0";
          else
            s+="1";
          y/=2;
      }
      y=8192;
      x=p[i].second;
      for(j=0;j<15;j++)
      {
           if(x/y%2==0)
            s+="0";
          else
            s+="1";
          y/=2;
      }
  }
  return s;
}

Benjamin

#include "Benjamin.h"
#include <string>
#include <vector>
#include<bits/stdc++.h>
using namespace std;
typedef int ll;
ll x,y,n,k,z,w,h[110000],i,j;
vector<ll> v[110000];
string SendB(int N, int X, int Y) {
  x=X;  y=Y;  n=N;
  return "00000111110000011111";
}
string s;
void f(ll x,ll z)
{
    ll i,w;
    for(i=0;i<h[x];i++)
    {
        if(v[x][i]==z)
            continue;
        w=f(v[x][i],x);
        if(w!=-1)
            return w+1;
    }
    return -1;
}
int Answer(string T) {
  s=T;
  for(i=0;i<(n-1);i++)
  {
      z=0;
      for(j=0;j<15;j++)
      {
          z=z*2+s[i*30+j]-'0';
      }
      w=0;
      for(j=0;j<15;j++)
      {
          w=w*2+s[i*30+15+j]-'0';
      }
      v[z].push_back(w);
      v[w].push_back(z);
  }
  for(i=0;i<n;i++)
    h[i]=v[i].size();
  return f(x,-1);
}

Compilation message (stderr)

Ali.cpp: In function 'void Init(int, std::vector<int>, std::vector<int>)':
Ali.cpp:12:3: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   12 |   for(i=0;i<N;i++)
      |   ^~~
Ali.cpp:14:5: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
   14 |     for(i=0;i<(n-1);i++)
      |     ^~~
grader_ali.cpp:10:8: warning: '{anonymous}::_randmem' defined but not used [-Wunused-variable]
   10 |   char _randmem[12379];
      |        ^~~~~~~~

Benjamin.cpp: In function 'void f(ll, ll)':
Benjamin.cpp:21:12: error: void value not ignored as it ought to be
   21 |         w=f(v[x][i],x);
      |           ~^~~~~~~~~~~
Benjamin.cpp:23:21: error: return-statement with a value, in function returning 'void' [-fpermissive]
   23 |             return w+1;
      |                    ~^~
Benjamin.cpp:25:12: error: return-statement with a value, in function returning 'void' [-fpermissive]
   25 |     return -1;
      |            ^~
Benjamin.cpp: In function 'int Answer(std::string)':
Benjamin.cpp:46:11: error: void value not ignored as it ought to be
   46 |   return f(x,-1);
      |          ~^~~~~~