Submission #16961

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
16961	2015-11-03T04:42:20 Z	gs14004	Highway design (CEOI12_highway)	C++14	Compilation error	0 ms	0 KB

highway

#include "office.h"
#include <set>
int main() {
	int N = GetN();
	int p1, p2, p3;
	for(int i=1; i<=3; i++){
		for(int j=i+1; j<=4; j++){
			for(int k=j+1; k<=5; k++){
				if(isOnline(i, j, k)){ 
					p1 = i, p2 = j, p3 = k;
				}
			}
		}
	} // 10
	vector<int> ret;
	set<int> s;
	for(int i=1; i<=n; i++){
		if(i != p1 && i != p2 && i != p3) s.insert(i);
	}
	auto it1 = s.begin();
	auto it2 = ++s.begin();
	while(it2 != s.end()){
		if(!isOnline(p1, *it1, *it2)){
			ret.push_back(*it1);
			ret.push_back(*it2);
			if(ret.size() >= 4) break; 
		}
		it1++;
		it1++;
		it2++;
		if(it2 != s.end()) it2++;
	}
	if(it2 != s.end() && ret.size() < 4){
		ret.push_back(*it2);
	}
	int q1 = -1, q2 = -1;
	for(auto &i : ret){
		if(isOnline(p1, p2, i)){
			if(q1 == -1) q1 = i;
			else if(q2 == -1){
				q2 = i;
				break;
			}
		}
	}
	Answer(p1, p2, q1, q2);
}

Compilation message

highway.cpp: In function 'int main()':
highway.cpp:9:24: error: 'isOnline' was not declared in this scope
     if(isOnline(i, j, k)){ 
                        ^
highway.cpp:15:2: error: 'vector' was not declared in this scope
  vector<int> ret;
  ^
highway.cpp:15:9: error: expected primary-expression before 'int'
  vector<int> ret;
         ^
highway.cpp:16:2: error: 'set' was not declared in this scope
  set<int> s;
  ^
highway.cpp:16:2: note: suggested alternative:
In file included from /usr/include/c++/5/set:61:0,
                 from highway.cpp:2:
/usr/include/c++/5/bits/stl_set.h:90:11: note:   'std::set'
     class set
           ^
highway.cpp:16:6: error: expected primary-expression before 'int'
  set<int> s;
      ^
highway.cpp:17:18: error: 'n' was not declared in this scope
  for(int i=1; i<=n; i++){
                  ^
highway.cpp:18:37: error: 's' was not declared in this scope
   if(i != p1 && i != p2 && i != p3) s.insert(i);
                                     ^
highway.cpp:20:13: error: 's' was not declared in this scope
  auto it1 = s.begin();
             ^
highway.cpp:23:30: error: 'isOnline' was not declared in this scope
   if(!isOnline(p1, *it1, *it2)){
                              ^
highway.cpp:24:4: error: 'ret' was not declared in this scope
    ret.push_back(*it1);
    ^
highway.cpp:33:23: error: 'ret' was not declared in this scope
  if(it2 != s.end() && ret.size() < 4){
                       ^
highway.cpp:37:16: error: 'ret' was not declared in this scope
  for(auto &i : ret){
                ^
highway.cpp:38:24: error: 'isOnline' was not declared in this scope
   if(isOnline(p1, p2, i)){
                        ^
highway.cpp:4:6: warning: unused variable 'N' [-Wunused-variable]
  int N = GetN();
      ^
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:33:21: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &_N);
                     ^