Submission #311814

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
311814	2020-10-11T19:49:29 Z	mohamedsobhi777	Highway design (CEOI12_highway)	C++14	100 / 100	2 ms	1660 KB

highway

#include <bits/stdc++.h>
#include "office.h"
using namespace std;

vector<int> line1 , line2 ; 

void finish(){
        Answer(line1[0],line1[1],line2[0] , line2[1]) ; 
        exit(0) ; 
}
int st ; 
int main(){
        int n = GetN() ; 

        bool x1 = isOnLine(1 , 2 , 3) ; 
        if(x1){
                line1 = {1 , 2 , 3} ; 
                st = 4; 
        }else{
                st = 5 ; 
                if(isOnLine(4 , 1 , 2)){
                        line1 = {1 , 2 , 4} ;
                        line2 = {3} ;
                }
                else if(isOnLine(4 , 1 , 3)){
                        line1 = {4 , 1 , 3} ; 
                        line2 = {2} ; 
                }else{
                        line1 = {2 , 3, 4} ; 
                        line2 = {1} ;
                }
        }
        for(int i = st ; i < n; i += 2){
                if(!isOnLine(line1[0],i, i + 1)){
                        if(isOnLine(line1[0],line1[1] , i)){
                                line2.push_back(i+1) ; 
                        }else line2.push_back(i) ; 
                        break ; 
                }else{
                        line1.push_back(i) ; 
                        line1.push_back(i+1) ; 
                }
        }
        if(line2.size() == 1)line2.push_back(n) ; 
        finish() ; 
}

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);
      |     ~~~~~^~~~~~~~~~~

Subtask #1

100.0 / 100.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	256 KB	Output is correct - 20 queries, 4 points
2	Correct	0 ms	256 KB	Output is correct - 10 queries, 4 points
3	Correct	0 ms	256 KB	Output is correct - 156 queries, 4 points
4	Correct	0 ms	384 KB	Output is correct - 200 queries, 4 points
5	Correct	0 ms	384 KB	Output is correct - 251 queries, 4 points
6	Correct	1 ms	384 KB	Output is correct - 301 queries, 4 points
7	Correct	1 ms	384 KB	Output is correct - 350 queries, 4 points
8	Correct	0 ms	384 KB	Output is correct - 400 queries, 4 points
9	Correct	1 ms	384 KB	Output is correct - 450 queries, 4 points
10	Correct	0 ms	384 KB	Output is correct - 500 queries, 4 points
11	Correct	0 ms	384 KB	Output is correct - 1001 queries, 4 points
12	Correct	0 ms	384 KB	Output is correct - 1001 queries, 4 points
13	Correct	0 ms	384 KB	Output is correct - 1502 queries, 4 points
14	Correct	0 ms	384 KB	Output is correct - 2002 queries, 4 points
15	Correct	1 ms	384 KB	Output is correct - 2503 queries, 4 points
16	Correct	1 ms	384 KB	Output is correct - 803 queries, 4 points
17	Correct	0 ms	384 KB	Output is correct - 854 queries, 4 points
18	Correct	0 ms	384 KB	Output is correct - 900 queries, 4 points
19	Correct	1 ms	768 KB	Output is correct - 12705 queries, 4 points
20	Correct	1 ms	768 KB	Output is correct - 15000 queries, 4 points
21	Correct	1 ms	768 KB	Output is correct - 20060 queries, 4 points
22	Correct	1 ms	1088 KB	Output is correct - 28061 queries, 4 points
23	Correct	1 ms	1088 KB	Output is correct - 33888 queries, 4 points
24	Correct	2 ms	1216 KB	Output is correct - 40944 queries, 4 points
25	Correct	2 ms	1660 KB	Output is correct - 49999 queries, 4 points