Submission #897909

#	Time	Username	Problem	Language	Result	Execution time	Memory
897909		Sir_Ahmed_Imran	Cave (IOI13_cave)	C++17	21 / 100	472 ms	600 KiB

cave

                              ///~~~LOTA~~~///
#include "cave.h"
#include <bits/stdc++.h>
using namespace std;
#define nl '\n'
#define ff first
#define ss second
#define ll long long 
#define append push_back
#define pii pair<int,int>
#define all(x) (x).begin(),(x).end()
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
int ran(){
    ll o=rng();
    o%=2;
    o=(o+2)%2;
    return o;
}
void exploreCave(int n){
    int m,o,p,q,r,s[n],t[n],d[n];
    for(int i=0;i<n;i++)
        s[i]=d[i]=-1;
    m=0;
    while(m<n){
        for(int j=0;j<1028;j++){
            for(int i=0;i<n;i++)
                if(d[i]<0)
                    s[i]=ran();
            o=tryCombination(s);
            if(o>=m){
                m=o;
                for(int i=0;i<n;i++)
                    t[i]=s[i];
            }
            if(o==-1){
                m=n;
                for(int i=0;i<n;i++)
                    t[i]=s[i];
            }
        }
        for(int i=0;i<n;i++){
            if(d[i]>=0) continue;
            s[i]=t[i];
            t[i]^=1;
            o=tryCombination(t);
            if(o==-1) o=n;
            if(o<m) d[i]=o;
            t[i]^=1;
        }
    }
    answer(t,d);
}

Compilation message (stderr)

cave.cpp: In function 'void exploreCave(int)':
cave.cpp:20:13: warning: unused variable 'p' [-Wunused-variable]
   20 |     int m,o,p,q,r,s[n],t[n],d[n];
      |             ^
cave.cpp:20:15: warning: unused variable 'q' [-Wunused-variable]
   20 |     int m,o,p,q,r,s[n],t[n],d[n];
      |               ^
cave.cpp:20:17: warning: unused variable 'r' [-Wunused-variable]
   20 |     int m,o,p,q,r,s[n],t[n],d[n];
      |                 ^

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