Submission #386384

#	Time	Username	Problem	Language	Result	Execution time	Memory
386384		ismoilov	Cave (IOI13_cave)	C++14	12 / 100	557 ms	688 KiB

cave

#include "cave.h"
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
#define IOS ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).begin(), (x).end()
#define fp(a,i,c) for(int (a) = (i); (a) < (c); (a)++)
#define fpp(a,i,c) for(int (a) = (i); (a) <= (c); (a)++)
#define fv(c) for(int (a) = (1); (a) <= (c); (a)++)
#define fz(c) for(int (a) = (0); (a) < (c); (a)++)
#define fm(a,i,c) for(int (a) = (i); (a) > (c); (a)--)
#define fmm(a,i,c) for(int (a) = (i); (a) >= (c); (a)--)
#define pb push_back
#define in insert
#define ss second
#define ff first

void exploreCave(int n) {
	int v[n], a[n];
	vector <int> s;
	fp(i,0,n)
		a[i] = -1, v[i] = 0, s.pb(i);
	int x = 0;
	fp(i,0,n){
		//cout << "// " << i << " " << x << " " << s.size() << "\n";
		fp(j,0,s.size())
			v[s[j]] = x;
		int f = tryCombination(v);
		if(f == i)
			x = (x+1)%2;
		fp(j,0,s.size())
			v[s[j]] = x;
		int l = 0, r = s.size();
		while(l < r && (l+r)/2 < s.size()){
			int m = (l + r)/2;
			fp(j,0,m)
				v[s[j]] = (x+1)%2;
			//cout << v[0] << " hf\n";
			f = tryCombination(v);
			if(f > i || f == -1)
				l = m + 1;
			else{
				fp(j,0,m)
					v[s[j]] = x;
				r = m;
			}
			//cout << l << " " << r << " lr\n";
		}
		l = min(l, int(s.size()));
		v[i] = x;
		a[i] = s[l-1];
		s.erase(s.begin()+l-1);
		
		
	}
	answer(v, a);
    
}

Compilation message (stderr)

cave.cpp: In function 'void exploreCave(int)':
cave.cpp:10:27: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   10 | #define fp(a,i,c) for(int (a) = (i); (a) < (c); (a)++)
      |                           ^
cave.cpp:24:2: note: in expansion of macro 'fp'
   24 |  fp(i,0,n)
      |  ^~
cave.cpp:10:27: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   10 | #define fp(a,i,c) for(int (a) = (i); (a) < (c); (a)++)
      |                           ^
cave.cpp:27:2: note: in expansion of macro 'fp'
   27 |  fp(i,0,n){
      |  ^~
cave.cpp:10:27: warning: unnecessary parentheses in declaration of 'j' [-Wparentheses]
   10 | #define fp(a,i,c) for(int (a) = (i); (a) < (c); (a)++)
      |                           ^
cave.cpp:29:3: note: in expansion of macro 'fp'
   29 |   fp(j,0,s.size())
      |   ^~
cave.cpp:10:42: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   10 | #define fp(a,i,c) for(int (a) = (i); (a) < (c); (a)++)
      |                                      ~~~~^~~~~
cave.cpp:29:3: note: in expansion of macro 'fp'
   29 |   fp(j,0,s.size())
      |   ^~
cave.cpp:10:27: warning: unnecessary parentheses in declaration of 'j' [-Wparentheses]
   10 | #define fp(a,i,c) for(int (a) = (i); (a) < (c); (a)++)
      |                           ^
cave.cpp:34:3: note: in expansion of macro 'fp'
   34 |   fp(j,0,s.size())
      |   ^~
cave.cpp:10:42: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   10 | #define fp(a,i,c) for(int (a) = (i); (a) < (c); (a)++)
      |                                      ~~~~^~~~~
cave.cpp:34:3: note: in expansion of macro 'fp'
   34 |   fp(j,0,s.size())
      |   ^~
cave.cpp:37:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   37 |   while(l < r && (l+r)/2 < s.size()){
      |                  ~~~~~~~~^~~~~~~~~~
cave.cpp:10:27: warning: unnecessary parentheses in declaration of 'j' [-Wparentheses]
   10 | #define fp(a,i,c) for(int (a) = (i); (a) < (c); (a)++)
      |                           ^
cave.cpp:39:4: note: in expansion of macro 'fp'
   39 |    fp(j,0,m)
      |    ^~
cave.cpp:10:27: warning: unnecessary parentheses in declaration of 'j' [-Wparentheses]
   10 | #define fp(a,i,c) for(int (a) = (i); (a) < (c); (a)++)
      |                           ^
cave.cpp:46:5: note: in expansion of macro 'fp'
   46 |     fp(j,0,m)
      |     ^~

• Subtask 1: 12 / 12
• Subtask 2: 0 / 13
• Subtask 3: 0 / 21
• Subtask 4: 0 / 30
• Subtask 5: 0 / 24