Submission #598417

#	Time	Username	Problem	Language	Result	Execution time	Memory
598417		Koosha_mv	Cave (IOI13_cave)	C++14	0 / 100	500 ms	552 KiB

cave

#include "cave.h"
#include <bits/stdc++.h>
using namespace std;
#define dbgv(v) cout<<#v<<" = "; f(i,0,int(v.size())) cout<<v[i]<<" "; cout<<endl
#define dbga(a,x,y) cout<<#a<<" = "; f(i,x,y) cout<<a[i]<<" "; cout<<endl
#define erorp(x) cout<<#x<<"={"<<x.F<<" , "<<x.S<<"}"<<endl
#define eror(x) cout<<#x<<'='<<(x)<<endl
#define f_(i,a,b) for(int i=a;i>=b;i--)
#define f(i,a,b) for(int i=a;i<b;i++)
#define nb(x) __builtin_popcount(x)
#define all(v) v.begin(),v.end()
#define bit(n,k) (((n)>>(k))&1)
#define Add(x,y) x=(x+y)%mod
#define maxm(a,b) a=max(a,b)
#define minm(a,b) a=min(a,b)
#define lst(x) x[x.size()-1]
#define sz(x) int(x.size())
#define mp make_pair
#define ll long long
#define pb push_back
#define S second
#define F first

const int N=5050;

int n,p[N],mark[N],state[N];

void exploreCave(int _n) {
    n=_n;
    vector<int> vec(n);
    iota(all(vec),0);
    while(vec.size()){
        f(i,0,n) mark[i]=state[i];
        int now=tryCombination(mark);
        int l=0,r=vec.size();
        while(l+1<r){
            int mid=(l+r)>>1;
            f(i,0,vec.size()) mark[vec[i]]=(i<mid);
            if(tryCombination(mark)==now){
                l=mid;
            }
            else{
                r=mid;
            }
        }       
        f(i,0,vec.size()) mark[vec[i]]=(i<r);
        int prt=tryCombination(mark);
        int id=vec[l];
        if(now!=-1 && (prt==-1 || prt>now)){
            p[id]=now;
            state[id]=1;
        }
        else{
            eror(prt);
            p[id]=prt;
            state[id]=0;
        }
        vec.erase(vec.begin()+l);
    }
    answer(state,p);
}
//tryCombination

Compilation message (stderr)

cave.cpp: In function 'void exploreCave(int)':
cave.cpp:9:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    9 | #define f(i,a,b) for(int i=a;i<b;i++)
......
   38 |             f(i,0,vec.size()) mark[vec[i]]=(i<mid);
      |               ~~~~~~~~~~~~~~   
cave.cpp:38:13: note: in expansion of macro 'f'
   38 |             f(i,0,vec.size()) mark[vec[i]]=(i<mid);
      |             ^
cave.cpp:9:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    9 | #define f(i,a,b) for(int i=a;i<b;i++)
......
   46 |         f(i,0,vec.size()) mark[vec[i]]=(i<r);
      |           ~~~~~~~~~~~~~~       
cave.cpp:46:9: note: in expansion of macro 'f'
   46 |         f(i,0,vec.size()) mark[vec[i]]=(i<r);
      |         ^

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