Submission #99086

#	Time	Username	Problem	Language	Result	Execution time	Memory
99086		asifthegreat	Highway design (CEOI12_highway)	C++14	100 / 100	3 ms	640 KiB

highway

#include <bits/stdc++.h>
#include "office.h"
#define debug(a) cout << #a << " = " << a << endl;
using namespace std;
 
/*
    int GetN(void);
    int isOnLine(int x, int y, int z);
    void Answer(int a1, int b1, int a2, int b2);
*/
 
vector<int>v;
 
int main()
{
    int n = GetN();
    int a = 2,b = 3,c = 0,d = 0;
    if(isOnLine(1,2,3)){
        
        //cout << "Hola Hola\n";
        a = 2;b = 3;
    }
    for(int i = b+1;;i+=2){
        if(i+1 > n or v.size() >= 2)break;
        if(!isOnLine(b,i,i+1)){
            bool one = isOnLine(a,b,i);
            if(one){
                v.push_back(i+1);
                if(v.size() == 2){
                    break;
                }
            }
            else if(!one){
                v.push_back(i);
                if(v.size() == 2){
                    break;
                }
                else{
                    if(!isOnLine(a,b,i+1)){
                        v.push_back(i+1);
                        // break;
                    }
                }
            }
        }
    }
   // debug(v.size());
    c = v[0];
    d = v[1];
   // cout << a << " " << b << " " << c << " " << d << endl;
    Answer(a,b,c,d);
    return 0;
}

Compilation message (stderr)

office.c: In function 'int isOnLine(int, int, int)':
office.c:85:29: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings]
     _Fin(0, "Protocol error");
                             ^
office.c:88:29: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings]
     _Fin(0, "Protocol error");
                             ^
office.c:92:37: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings]
     _Fin(false, "Too many questions");
                                     ^
office.c:83:7: warning: unused variable 'i' [-Wunused-variable]
   int i;
       ^
office.c: In function 'void Answer(int, int, int, int)':
office.c:123:29: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings]
     _Fin(0, "Protocol error");
                             ^
office.c:128:44: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
       if( (-_Apa[na1]==_N-3) && (na2!=na1) && (nb2!=na1) ||
           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
office.c:130:30: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings]
          _Fin(true, "Correct");
                              ^
office.c:132:36: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings]
          _Fin(false, "Wrong answer");
                                    ^
office.c:134:44: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
       if( (-_Apa[na2]==_N-3) && (na1!=na2) && (nb1!=na2) ||
           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
office.c:136:30: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings]
          _Fin(true, "Correct");
                              ^
office.c:138:36: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings]
          _Fin(false, "Wrong answer");
                                    ^
office.c:140:33: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings]
       _Fin(false, "Wrong answer");
                                 ^
office.c:142:23: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings]
   _Fin(true, "Correct");
                       ^
office.c:120:27: warning: unused variable 'pont' [-Wunused-variable]
   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]
     scanf("%d", &_N);
     ~~~~~^~~~~~~~~~~

• Subtask 1: 100 / 100