Submission #370478

# Submission time Handle Problem Language Result Execution time Memory
370478 2021-02-24T04:06:15 Z arnold518 Highway design (CEOI12_highway) C++14
40 / 100
35 ms 4196 KB
#include "office.h"
#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;

int N;

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

map<tuple<int, int, int>, int> M;
int query(int a, int b, int c)
{
	if(a>b) swap(a, b);
	if(b>c) swap(b, c);
	if(a>b) swap(a, b);
	if(M.find({a, b, c})!=M.end()) return M[{a, b, c}];
	M[{a, b, c}]=isOnLine(a, b, c);
	return M[{a, b, c}];
}

vector<int> V, V3;
vector<pii> V2;

int main()
{
	N=GetN();

	V.push_back(1);

	for(int i=2; i+1<=N; i+=2)
	{
		if(query(1, i, i+1))
		{
			V.push_back(i);
			V.push_back(i+1);
		}
		else
		{
			V2.push_back({i, i+1});
		}
	}
	for(auto it : V2)
	{
		
		if(query(V[0], V[1], it.first))
		{
			V3.push_back(it.second);
		}
		else
		{
			V3.push_back(it.first);
			if(V3.size()>1 && V.size()>1) break;
			if(query(V[0], V[1], it.second))
			{
				V3.push_back(it.second);
				if(V3.size()>1 && V.size()>1) break;
			}	
		}
		if(V3.size()>1 && V.size()>1) break;
	}
	Answer(V[0], V[1], V3[0], V3[1]);
}

Compilation message

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);
      |     ~~~~~^~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 364 KB Output isn't correct - Protocol error
2 Incorrect 1 ms 364 KB Output isn't correct - Protocol error
3 Incorrect 1 ms 364 KB Output isn't correct - Protocol error
4 Correct 1 ms 364 KB Output is correct - 202 queries, 4 points
5 Incorrect 1 ms 364 KB Output isn't correct - Protocol error
6 Correct 1 ms 364 KB Output is correct - 303 queries, 4 points
7 Incorrect 1 ms 364 KB Output isn't correct - Protocol error
8 Incorrect 1 ms 364 KB Output isn't correct - Protocol error
9 Incorrect 1 ms 364 KB Output isn't correct - Protocol error
10 Correct 1 ms 364 KB Output is correct - 502 queries, 4 points
11 Incorrect 1 ms 364 KB Output isn't correct - Protocol error
12 Correct 1 ms 364 KB Output is correct - 1003 queries, 4 points
13 Incorrect 1 ms 492 KB Output isn't correct - Protocol error
14 Correct 1 ms 492 KB Output is correct - 2004 queries, 4 points
15 Incorrect 1 ms 492 KB Output isn't correct - Protocol error
16 Correct 1 ms 364 KB Output is correct - 805 queries, 4 points
17 Incorrect 1 ms 364 KB Output isn't correct - Protocol error
18 Incorrect 1 ms 364 KB Output isn't correct - Protocol error
19 Correct 6 ms 1260 KB Output is correct - 12707 queries, 4 points
20 Incorrect 8 ms 1516 KB Output isn't correct - Protocol error
21 Correct 10 ms 1896 KB Output is correct - 20062 queries, 4 points
22 Correct 16 ms 2536 KB Output is correct - 28063 queries, 4 points
23 Correct 20 ms 3176 KB Output is correct - 33890 queries, 4 points
24 Incorrect 21 ms 3556 KB Output isn't correct - Protocol error
25 Incorrect 35 ms 4196 KB Output isn't correct - Protocol error