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Submission #964703

# Submission time Handle Problem Language Result Execution time Memory
964703 2024-04-17T11:27:22 Z GrindMachine Hotter Colder (IOI10_hottercolder) C++17
50 / 100
 490 ms 24548 KB 
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>

using namespace std;
using namespace __gnu_pbds;

template<typename T> using Tree = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
typedef long long int ll;
typedef long double ld;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;

#define fastio ios_base::sync_with_stdio(false); cin.tie(NULL)
#define pb push_back
#define endl '\n'
#define sz(a) (int)a.size()
#define setbits(x) __builtin_popcountll(x)
#define ff first
#define ss second
#define conts continue
#define ceil2(x,y) ((x+y-1)/(y))
#define all(a) a.begin(), a.end()
#define rall(a) a.rbegin(), a.rend()
#define yes cout << "Yes" << endl
#define no cout << "No" << endl

#define rep(i,n) for(int i = 0; i < n; ++i)
#define rep1(i,n) for(int i = 1; i <= n; ++i)
#define rev(i,s,e) for(int i = s; i >= e; --i)
#define trav(i,a) for(auto &i : a)

template<typename T>
void amin(T &a, T b) {
    a = min(a,b);
}

template<typename T>
void amax(T &a, T b) {
    a = max(a,b);
}

#ifdef LOCAL
#include "debug.h"
#else
#define debug(x) 42
#endif

/*



*/

const int MOD = 1e9 + 7;
const int N = 1e5 + 5;
const int inf1 = int(1e9) + 5;
const ll inf2 = ll(1e18) + 5;

#include "grader.h"

int HC(int n){
    int l = 1, r = n-1;
    int ans = n;

    while(l <= r){
        int mid = (l+r) >> 1;
        int g1 = Guess(mid+1), g2 = Guess(mid);
        if(g2 == 1){
            ans = mid;
            r = mid-1;
        }
        else{
            l = mid+1;
        }
    }

    return ans;
}

Compilation message

hottercolder.cpp: In function 'int HC(int)':
hottercolder.cpp:68:13: warning: unused variable 'g1' [-Wunused-variable]
   68 |         int g1 = Guess(mid+1), g2 = Guess(mid);
      |             ^~

Subtask #1
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 6748 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 6780 KB Output is correct

Subtask #3
0 / 25.0

# Verdict Execution time Memory Grader output
1 Incorrect 20 ms 6748 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 490 ms 24548 KB Output isn't correct - alpha = 0.000000000000
2 Halted 0 ms 0 KB -