제출 #78629

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
78629		ekrem	고속도로 설계 (CEOI12_highway)	C++98	40 / 100	4 ms	892 KiB

highway

#include <bits/stdc++.h>
#define st first
#define nd second
#define mp make_pair
#define pb push_back
#define N 1000005
using namespace std;
#include "office.h"
int n, x, y, z, bas;
vector < int > ans;

// extern int GetN();
// extern int isOnLine(int x, int y, int z);
// extern void Answer(int a1, int b1, int a2, int b2);


int bul(){
	for(int i = bas; i <= n - 1; i += 2){
		if(ans.size() >= 2)
			return 0;
		if(!isOnLine(z, i, i + 1)){
			if(isOnLine(y, z, i))
				ans.pb(i + 1);
			else
				ans.pb(i);
		}
	}
}

int main() {
	// freopen("in.txt", "r", stdin);
	// freopen("out.txt", "w", stdout);
	n = GetN();
	if(isOnLine(1, 2, 3)){
		x = 1; y = 2; z = 3;
		bas = 4;
		bul();
	} else{
		if(isOnLine(1, 2, 4)){
			x = 1; y = 2; z = 4;
			bas = 5;
			bul();
			ans.pb(3);
		} else if(isOnLine(1, 3, 4)){
			x = 1; y = 3; z = 4;
			bas = 5;
			bul();
			ans.pb(2);
		} else if(isOnLine(2, 3, 4)){
			x = 2; y = 3; z = 4;
			bas = 5;
			bul();
			ans.pb(1);
		}
	}
	Answer(x, y, ans[0], ans[1]);
	return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

highway.cpp: In function 'int bul()':
highway.cpp:28:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^
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: 40 / 100