oj.uz

Submission #573945

# Submission time Handle Problem Language Result Execution time Memory
573945 2022-06-07T12:55:25 Z Sho10 Hotter Colder (IOI10_hottercolder) C++17
0 / 100
 566 ms 139800 KB 
#include <bits/stdc++.h> //Andrei Alexandru a.k.a Sho
#include "grader.h"
using ll=long long;
using ld=long double;
int const INF=1000000005;
ll const LINF=1000000000000000005;
ll const mod=6700417;
ld const PI=3.14159265359;
ll const MAX_N=3e5+5;
ld const EPS=0.00000001;
#pragma GCC optimize("O3")
#pragma GCC optimize("Ofast")
#define f first
#define s second
#define pb push_back
#define mp make_pair
#define endl '\n'
#define sz(a) (int)a.size()
#define CODE_START  ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
using namespace std;
int n,check=0,last=-1,cnt=0;
ll calc(ll st,ll dr){
return (st+dr+1)/2;
}
ll solve(ll l,ll r){
    //cout<<l<<' '<<r<<' '<<last<<endl;
    if(l==r){
        return l;
    }
ll mid=(l+r)/2;
if(last==2||last==1){
    ll x=Guess(mid);
    if(x==0){
            if(last==1){
                return calc(l,mid);
            }else
        return calc(mid,r);
    }else if(x==-1){
        if(last==2){
        last=1;
    return solve(mid,r);
        }else if(last==1){
        last=2;
        return solve(l,mid);
        }
    }else if(x==1){
    last=-mid;
    return solve(calc(l,mid),calc(mid+1,r));
}
}else if(last!=1&&last!=2){
    ll mid=-last;
    ll x=Guess(r);
    if(x==0){
        return calc(mid,r);
    }else if(x==1){
    last=2;
    return solve(mid,r);
    }else {
    last=1;
    return solve(l,mid);
    }
}
}
int HC(int N){
    cnt=0;
if(N==1){
    return 1;
}
ll x=Guess(N);
last=2;
ll nr=solve(1,N);
return nr;
}

Compilation message

hottercolder.cpp: In function 'int HC(int)':
hottercolder.cpp:69:4: warning: unused variable 'x' [-Wunused-variable]
   69 | ll x=Guess(N);
      |    ^
hottercolder.cpp: In function 'll solve(ll, ll)':
hottercolder.cpp:63:1: warning: control reaches end of non-void function [-Wreturn-type]
   63 | }
      | ^

Subtask #1
0 / 25.0

# Verdict Execution time Memory Grader output
1 Incorrect 32 ms 16464 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 25.0

# Verdict Execution time Memory Grader output
1 Incorrect 32 ms 16508 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 25.0

# Verdict Execution time Memory Grader output
1 Incorrect 42 ms 16496 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0.0 / 25.0

# Verdict Execution time Memory Grader output
1 Incorrect 566 ms 139800 KB Output isn't correct - alpha = 0.000000000000