제출 #1060646

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1060646		EntityPlantt	Highway design (CEOI12_highway)	C++17	100 / 100	1 ms	736 KiB

highway

#include "office.h"
#define iol isOnLine
#define ans Answer
int main() {
    int n = GetN();
    int a1 = 1, a2 = 0, a3, a4, b1, b2, c1, c2, x = 1;
    while (iol(a1, x + 1, x + 2)) {
        a2 = x + 1;
        x += 2;
    }
    if (x == n - 3) ans(a1, a2, x + 1, x + 2);
    b1 = x + 1; b2 = x + 2; x += 2;
    while (x <= n - 2 && iol(a1, x + 1, x + 2)) {
        a2 = x + 1;
        x += 2;
    }
    if (x == n - 1) ans(a1, a2, b1, b2);
    c1 = x + 1; c2 = x + 2;
    if (a2) {
        if (iol(a1, a2, b1)) a3 = b2;
        else a3 = b1;
        if (iol(a1, a2, c1)) a4 = c2;
        else a4 = c1;
        ans(a1, a2, a3, a4);
    }
    else {
        if (iol(1, 2, 4) || iol(3, 4, 5)) ans(1, 2, 3, 5);
        if (iol(1, 3, 5) || iol(2, 4, 5)) ans(1, 3, 2, 4);
        if (iol(1, 3, 4) || iol(2, 3, 5)) ans(1, 4, 2, 5);
        ans(1, 5, 3, 4);
    }
}

컴파일 시 표준 에러 (stderr) 메시지

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: 100 / 100