Submission #237494

# Submission time Handle Problem Language Result Execution time Memory
237494 2020-06-07T06:12:13 Z amoo_safar Highway design (CEOI12_highway) C++14
49 / 100
5 ms 768 KB
#include <bits/stdc++.h>

using namespace std;

#ifndef safar
#include "office.h"
#endif

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

vector<int> V;

int main(){
	ios::sync_with_stdio(0);

	int n = GetN();
	int solo = 0, a1 = 2, b1 = 3, cnt = 0;
	if(isOnLine(1, 2, 3)) solo = 4, cnt ++;
	if(isOnLine(1, 2, 4)) solo = 3, b1 = 4, cnt ++;
	if(isOnLine(1, 3, 4)) solo = 2, a1 = 1, cnt ++;
	assert(cnt >= 2);

	vector<int> V;
	for(int i = 5; i + 1 <= n; i += 2){
		if(isOnLine(a1, i, i + 1)) continue;
		if(!isOnLine(a1, b1, i)) V.push_back(i);
		if(!isOnLine(a1, b1, i + 1)) V.push_back(i + 1);
		if(V.size() >= 2){
			Answer(a1, b1, V[0], V[1]);
			return 0;
		}
	}
	Answer(a1, b1, V[0], n);
	return 0;
}

Compilation message

highway.cpp: In function 'int main()':
highway.cpp:21:6: warning: variable 'solo' set but not used [-Wunused-but-set-variable]
  int solo = 0, a1 = 2, b1 = 3, cnt = 0;
      ^~~~
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);
     ~~~~~^~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Partially correct 4 ms 384 KB Output is partially correct - 25 queries, 2 points
2 Partially correct 4 ms 384 KB Output is partially correct - 15 queries, 1 points
3 Partially correct 4 ms 384 KB Output is partially correct - 161 queries, 2 points
4 Partially correct 4 ms 384 KB Output is partially correct - 203 queries, 2 points
5 Partially correct 5 ms 304 KB Output is partially correct - 256 queries, 2 points
6 Partially correct 4 ms 384 KB Output is partially correct - 304 queries, 2 points
7 Partially correct 4 ms 384 KB Output is partially correct - 355 queries, 2 points
8 Partially correct 4 ms 384 KB Output is partially correct - 405 queries, 2 points
9 Partially correct 4 ms 384 KB Output is partially correct - 455 queries, 2 points
10 Partially correct 5 ms 384 KB Output is partially correct - 503 queries, 2 points
11 Partially correct 5 ms 384 KB Output is partially correct - 1006 queries, 2 points
12 Partially correct 4 ms 384 KB Output is partially correct - 1004 queries, 2 points
13 Partially correct 4 ms 384 KB Output is partially correct - 1507 queries, 2 points
14 Partially correct 4 ms 384 KB Output is partially correct - 2005 queries, 2 points
15 Partially correct 5 ms 384 KB Output is partially correct - 2508 queries, 2 points
16 Partially correct 5 ms 384 KB Output is partially correct - 806 queries, 2 points
17 Partially correct 4 ms 384 KB Output is partially correct - 859 queries, 2 points
18 Partially correct 4 ms 384 KB Output is partially correct - 905 queries, 2 points
19 Partially correct 5 ms 512 KB Output is partially correct - 12708 queries, 2 points
20 Partially correct 5 ms 512 KB Output is partially correct - 15005 queries, 2 points
21 Partially correct 5 ms 512 KB Output is partially correct - 20063 queries, 2 points
22 Partially correct 5 ms 512 KB Output is partially correct - 28064 queries, 2 points
23 Partially correct 5 ms 640 KB Output is partially correct - 33891 queries, 2 points
24 Partially correct 5 ms 640 KB Output is partially correct - 40949 queries, 2 points
25 Partially correct 5 ms 768 KB Output is partially correct - 50004 queries, 2 points