Submission #453149

#	Time	Username	Problem	Language	Result	Execution time	Memory
453149		fuad27	Highway design (CEOI12_highway)	C++14	Compilation error	0 ms	0 KiB

highway

#include <stdlib.h>
#include <iostream>
#include <string>
#include "office.h"
#define _MaxN	100001
using namespace std;

bool _Init = true;
int _digi = 129723562;
int _N, _Qnum, _maxQ1, _maxQ2, _maxQ4;
int _Apa[_MaxN];

void _Fin(bool OK, string S){
int point=0;
   if (OK) {
      if (_Qnum <= _maxQ4) {
         point = 4;
         S=" <=N/2+2";
    } else if (_Qnum <= _maxQ2) {
         point = 2;
         S=" <=2N/3";
    } else {
         point = 1;
         S=" <=N-3";
    }
    cout<<point<<endl;
    cout<<"Correct"<<endl;
    cout<<"#Questions= "<<_Qnum<<S<<endl;
    cout<<_digi<<endl;
    exit(0);
  }
  cout<<"0"<<endl;
  cout<<S<<endl;
  cout<<"#Questions= "<<_Qnum<<endl;
  cout<<_digi<<endl;
  exit(0);
}  /*_Fin*/

 void _doInit(){
  int x;
   cin>>_N;
  for (x = 1; x <= _N; x++) {
    _Apa[x] = -1;
  }
  _Qnum = 0;
  _maxQ1 = _N - 3;
  _maxQ2 = _N * 2 / 3;
  _maxQ4 = _N / 2+2;
}  /*diInit*/

int GetN(){
  if (_Init) {
    _doInit();
    _Init = false;
  }
  return _N;
}  /*GetN*/

int _Find(int x){
  int k;
  int Nx = x;
  while (_Apa[Nx] > 0) {
    Nx = _Apa[Nx];
  }
  while (x != Nx) {
    k = _Apa[x];
    _Apa[x] = Nx;
    x = k;
  }
  return Nx;
}  /*_Find*/

 int _Unio(int nn, int mm){
  int k;
  if (nn == mm) {
    return nn;
  }
  if (_Apa[nn] > _Apa[mm]) {
    k = nn;
    nn = mm;
    mm = k;
  }
  _Apa[nn] += _Apa[mm];
  _Apa[mm] = nn;
  return nn;
}  /*_Unio*/

int isOnLine(int x, int y, int z){
  int nx, ny, nz,nn;
  int nxn = 0, nyn = 0, nzn = 0;
  int i;
  if (_Init) {
    _Fin(0, "Protocol error");
  }
  if (x < 1 || x > _N || y < 1 || y > _N || z < 1 || z > _N) {
    _Fin(0, "Protocol error");
  }
  _Qnum++;
  if (_Qnum > _maxQ1)
    _Fin(false, "Too many questions");

  if (x == y || y == z || y==z) {
    return 1;
  }
  nx = _Find(x);
  ny = _Find(y);
  nz = _Find(z);
  if (nx == ny && ny == nz) {
    return 1;
  }

  nxn = -_Apa[nx];  nyn = -_Apa[ny];  nzn = -_Apa[nz];
  nn=nxn+nyn+nzn;
  if (nx==ny) nn-=nyn;
  if (nx==nz) nn-=nzn;
  if (ny==nz) nn-=nzn;

  if (nn <= _N - 3) {
    nx = _Unio(nx, ny);
    nx = _Unio(nx, nz);
    return 1;
  }

  return 0;
}  /*isOnLine*/

void Answer(int a1, int b1, int a2, int b2){
  int na1, nb1, na2, nb2;
  if (a1 < 1 || a1 > _N || b1 < 1 || b1 > _N || a2 < 1 || a2 > _N || b2 < 1 ||
      b2 > _N || a1==b1 || a2==b2) {
    _Fin(0, "Protocol error");
  }
  na1 = _Find(a1); nb1 = _Find(b1);
  na2 = _Find(a2); nb2 = _Find(b2);
   if (na1==nb1){
      if( (-_Apa[na1]==_N-3) && (na2!=na1) && (nb2!=na1) ||
			 (na2==nb2) && (na1!=na2) && (-(_Apa[na1]+_Apa[na2])>_N-3) )
         _Fin(true, "Correct");
      else
         _Fin(false, "Wrong answer");
   }else if (na2==nb2){
      if( (-_Apa[na2]==_N-3) && (na1!=na2) && (nb1!=na2) ||
			 (na1==nb1)&&(na1!=na2)&&(-(_Apa[na1]+_Apa[na2])>_N-3) )
         _Fin(true, "Correct");
      else
         _Fin(false, "Wrong answer");
   }else{
      _Fin(false, "Wrong answer");
   }
  _Fin(true, "Correct");
}

Compilation message (stderr)

highway.cpp: In function 'int isOnLine(int, int, int)':
highway.cpp:91:7: warning: unused variable 'i' [-Wunused-variable]
   91 |   int i;
      |       ^
highway.cpp: In function 'void Answer(int, int, int, int)':
highway.cpp:136:44: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
  136 |       if( (-_Apa[na1]==_N-3) && (na2!=na1) && (nb2!=na1) ||
      |           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
highway.cpp:142:44: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
  142 |       if( (-_Apa[na2]==_N-3) && (na1!=na2) && (nb1!=na2) ||
      |           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
office.c: In function 'int isOnLine(int, int, int)':
office.c:85:13: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings]
   85 |     _Fin(0, "Protocol error");
      |             ^~~~~~~~~~~~~~~~
office.c:88:13: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings]
   88 |     _Fin(0, "Protocol error");
      |             ^~~~~~~~~~~~~~~~
office.c:92:17: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings]
   92 |     _Fin(false, "Too many questions");
      |                 ^~~~~~~~~~~~~~~~~~~~
office.c:83:7: warning: unused variable 'i' [-Wunused-variable]
   83 |   int i;
      |       ^
office.c: In function 'void Answer(int, int, int, int)':
office.c:123:13: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings]
  123 |     _Fin(0, "Protocol error");
      |             ^~~~~~~~~~~~~~~~
office.c:128:44: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
  128 |       if( (-_Apa[na1]==_N-3) && (na2!=na1) && (nb2!=na1) ||
      |           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
office.c:130:21: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings]
  130 |          _Fin(true, "Correct");
      |                     ^~~~~~~~~
office.c:132:22: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings]
  132 |          _Fin(false, "Wrong answer");
      |                      ^~~~~~~~~~~~~~
office.c:134:44: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
  134 |       if( (-_Apa[na2]==_N-3) && (na1!=na2) && (nb1!=na2) ||
      |           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
office.c:136:21: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings]
  136 |          _Fin(true, "Correct");
      |                     ^~~~~~~~~
office.c:138:22: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings]
  138 |          _Fin(false, "Wrong answer");
      |                      ^~~~~~~~~~~~~~
office.c:140:19: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings]
  140 |       _Fin(false, "Wrong answer");
      |                   ^~~~~~~~~~~~~~
office.c:142:14: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings]
  142 |   _Fin(true, "Correct");
      |              ^~~~~~~~~
office.c:120:27: warning: unused variable 'pont' [-Wunused-variable]
  120 |   int na1, nb1, na2, nb2, pont;
      |                           ^~~~
office.c: In function 'void _doInit()':
office.c:33:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   33 |     scanf("%d", &_N);
      |     ~~~~~^~~~~~~~~~~
/usr/bin/ld: /tmp/ccqYtTzb.o:(.bss+0x61a90): multiple definition of `_Qnum'; /tmp/cctnHP6d.o:(.bss+0x61a90): first defined here
/usr/bin/ld: /tmp/ccqYtTzb.o:(.bss+0x61a84): multiple definition of `_maxQ4'; /tmp/cctnHP6d.o:(.bss+0x61a84): first defined here
/usr/bin/ld: /tmp/ccqYtTzb.o:(.bss+0x61a88): multiple definition of `_maxQ2'; /tmp/cctnHP6d.o:(.bss+0x61a88): first defined here
/usr/bin/ld: /tmp/ccqYtTzb.o: in function `_doInit()':
office.c:(.text+0x70): multiple definition of `_doInit()'; /tmp/cctnHP6d.o:highway.cpp:(.text+0x2f0): first defined here
/usr/bin/ld: /tmp/ccqYtTzb.o:(.bss+0x61a94): multiple definition of `_N'; /tmp/cctnHP6d.o:(.bss+0x61a94): first defined here
/usr/bin/ld: /tmp/ccqYtTzb.o:(.bss+0x0): multiple definition of `_Apa'; /tmp/cctnHP6d.o:(.bss+0x0): first defined here
/usr/bin/ld: /tmp/ccqYtTzb.o:(.bss+0x61a8c): multiple definition of `_maxQ1'; /tmp/cctnHP6d.o:(.bss+0x61a8c): first defined here
/usr/bin/ld: /tmp/ccqYtTzb.o: in function `GetN()':
office.c:(.text+0xf0): multiple definition of `GetN()'; /tmp/cctnHP6d.o:highway.cpp:(.text+0x370): first defined here
/usr/bin/ld: /tmp/ccqYtTzb.o:(.data+0x4): multiple definition of `_Init'; /tmp/cctnHP6d.o:(.data+0x4): first defined here
/usr/bin/ld: /tmp/ccqYtTzb.o: in function `_Find(int)':
office.c:(.text+0x130): multiple definition of `_Find(int)'; /tmp/cctnHP6d.o:highway.cpp:(.text+0x3b0): first defined here
/usr/bin/ld: /tmp/ccqYtTzb.o: in function `_Unio(int, int)':
office.c:(.text+0x170): multiple definition of `_Unio(int, int)'; /tmp/cctnHP6d.o:highway.cpp:(.text+0x3f0): first defined here
/usr/bin/ld: /tmp/ccqYtTzb.o: in function `isOnLine(int, int, int)':
office.c:(.text+0x1d0): multiple definition of `isOnLine(int, int, int)'; /tmp/cctnHP6d.o:highway.cpp:(.text+0x450): first defined here
/usr/bin/ld: /tmp/ccqYtTzb.o: in function `Answer(int, int, int, int)':
office.c:(.text+0x3f0): multiple definition of `Answer(int, int, int, int)'; /tmp/cctnHP6d.o:highway.cpp:(.text+0x720): first defined here
/usr/bin/ld: /tmp/ccqYtTzb.o:(.data+0x0): multiple definition of `_digi'; /tmp/cctnHP6d.o:(.data+0x0): first defined here
/usr/bin/ld: /usr/lib/gcc/x86_64-linux-gnu/10/../../../x86_64-linux-gnu/crt1.o: in function `_start':
(.text+0x24): undefined reference to `main'
collect2: error: ld returned 1 exit status