oj.uz

Submission #95162

# Submission time Handle Problem Language Result Execution time Memory
95162 2019-01-27T18:42:04 Z FedericoS Highway design (CEOI12_highway) C++14
100 / 100
 2 ms 760 KB 
#include <iostream>
#include <assert.h>
#include "office.h"
using namespace std;

int N;
int a,b,c,d;

int main(){
	N=GetN();

	if(isOnLine(1,2,3))
		a=1,b=3;
	else if(isOnLine(1,2,4))
		a=1,b=4;
	else if(isOnLine(1,3,4))
		a=1,b=4;
	else
		a=2,b=4;

	c=d=-1;
	for(int i=b+1;i<=N and c==-1;i+=2){
		if(i==N)
		c=i;
		else if(!isOnLine(a,i,i+1)){
			if(!isOnLine(a,b,i))
				c=i;
			else
				c=i+1;
			swap(c,d);
		}
	}

	Answer(a,b,c,d);

}

Compilation message

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

Subtask #1
100.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct - 20 queries, 4 points
2 Correct 2 ms 256 KB Output is correct - 10 queries, 4 points
3 Correct 2 ms 376 KB Output is correct - 156 queries, 4 points
4 Correct 2 ms 256 KB Output is correct - 202 queries, 4 points
5 Correct 2 ms 256 KB Output is correct - 251 queries, 4 points
6 Correct 2 ms 376 KB Output is correct - 303 queries, 4 points
7 Correct 2 ms 376 KB Output is correct - 350 queries, 4 points
8 Correct 2 ms 380 KB Output is correct - 400 queries, 4 points
9 Correct 2 ms 376 KB Output is correct - 450 queries, 4 points
10 Correct 2 ms 376 KB Output is correct - 502 queries, 4 points
11 Correct 1 ms 256 KB Output is correct - 1001 queries, 4 points
12 Correct 2 ms 376 KB Output is correct - 1003 queries, 4 points
13 Correct 1 ms 376 KB Output is correct - 1502 queries, 4 points
14 Correct 2 ms 376 KB Output is correct - 2004 queries, 4 points
15 Correct 1 ms 376 KB Output is correct - 2503 queries, 4 points
16 Correct 1 ms 256 KB Output is correct - 805 queries, 4 points
17 Correct 2 ms 256 KB Output is correct - 854 queries, 4 points
18 Correct 2 ms 376 KB Output is correct - 900 queries, 4 points
19 Correct 2 ms 376 KB Output is correct - 12707 queries, 4 points
20 Correct 2 ms 376 KB Output is correct - 15000 queries, 4 points
21 Correct 2 ms 504 KB Output is correct - 20062 queries, 4 points
22 Correct 2 ms 504 KB Output is correct - 28063 queries, 4 points
23 Correct 2 ms 632 KB Output is correct - 33890 queries, 4 points
24 Correct 2 ms 632 KB Output is correct - 40944 queries, 4 points
25 Correct 2 ms 760 KB Output is correct - 49999 queries, 4 points