Submission #342864

#	Time	Username	Problem	Language	Result	Execution time	Memory
342864		blue	Highway design (CEOI12_highway)	C++11	0 / 100	1 ms	620 KiB

highway

#include "office.h"
#include <set>
using namespace std;
 
int main()
{
    int N = GetN();
 
    int i, j, k;
    set<int> l1;
 
    for(i = 1; i <= 3; i++) for(j = i+1; j <= 4; j++) for(k = j+1; k <= 5; k++)
    {
        if(isOnLine(i, j, k))
        {
            l1.insert(i);
            l1.insert(j);
            l1.insert(k);
        }
    }
    int a1, a2, b1, b2;
    a1 = *l1.begin();
    a2 = *l1.rbegin();
    if(l1.size() == 3)
    {
        for(b1 = 1; b1 <= 5; b1++)
        {
            if(l1.find(b1) == l1.end()) break;
        }
        for(int b2 = 5; b2 >= 1; b2--)
        {
            if(l1.find(i) == l1.end()) Answer(a1, a2, b1, b2);
        }
    }
    else if(l1.size() == 4)
    {
        for(b1 = 1; b1 <= 5; b1++)
        {
            if(l1.find(b1) == l1.end()) break;
        }
        for(b2 = 6; b2 <= N; b2++)
        {
            if(!isOnLine(a1, a2, b2))
            {
                Answer(a1, a2, b1, b2);
            }
        }
    }
    /*else
    {
        for(b1 = 6; b1 <= N; b1++)
        {
            if(!isOnLine(1, 2, b1))
            {
                break;
            }
        }
        for(b2 = b1+1; b2 <= N; b2++)
        {
            if(!isOnLine(1, 2, b2))
            {
                Answer(a1, a2, b1, b2);
            }
        }
    }*/
 
 
    return 0;
}

Compilation message (stderr)

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);
      |     ~~~~~^~~~~~~~~~~

• Subtask 1: 0 / 100