Submission #1147774

#	Time	Username	Problem	Language	Result	Execution time	Memory
1147774		modwwe	Unscrambling a Messy Bug (IOI16_messy)	C++20	100 / 100	1 ms	584 KiB

messy

//#include "gap.h"
#include "messy.h"
#pragma GCC optimize("Ofast,unroll-loops")
#include<bits/stdc++.h>
//#define int   long long
#define ll long long
#define down cout<<'\n';
#define debug cout<<" cucuucucuuu",down
#define modwwe  int t;cin>>t; while(t--)
#define bit(i,j) (i>>j&1)
#define sobit(a) __builtin_popcountll(a)
#define task2 "ftree"
#define task "test"
#define fin(x) freopen(x".inp","r",stdin)
#define fou(x) freopen(x".out","w",stdout)
#define pb push_back
#define mask(k) (1<<k)
#define checktime   cerr << (double)clock() / CLOCKS_PER_SEC * 1000  << " ms";
using namespace std;
#define getchar_unlocked getchar
mt19937 rd(chrono::steady_clock::now().time_since_epoch().count());
int rand(int l,int r)
{
    return uniform_int_distribution<int>(l,r)(rd);
}
void phongbeo();
const int inf = 1e16;
const ll mod2 = 1e9+7;
const ll base=67;
ll  n, m, s1, s2, s4, s3, sf, k, s5, s6, mx, s7, s8, s9, mx2, res, dem2 = 0, dem = 0, s33, dem3, dem4, mid, l2, r2, center;
ll  i, s10, s12,k1,k2,k3,s11,lim,w,l,r ;
ll kk;
ll t;
ll el = 19;/*
main()
{
    if(fopen(task2".inp","r"))
    {
        fin(task2);
        fou(task2);
    }
    if(fopen(task".inp","r"))
    {
        fin(task);
        fou(task);
    }
    ios_base::sync_with_stdio(0);
    cout.tie(0);
    cin.tie(0);
    /// cin>>s1;
//int t;cin>>t; while(t--)
    phongbeo();
    // checktime
}*/
//unordered_map<string,bool>cnt;
vector<int> p,ans;
/*void add_element(string s)
{dem++;
    string ss;
    for(int i=0; i<n; i++)
        ss=ss+s[p[i]];
    cnt[ss]=1;
}
bool check_element(string s)
{ dem2++;
    return cnt[s];
}*/
void build(int l,int r)
{
    if(l==r) return;
    string s(n, '1');
    int mid=l+r>>1;
    for(int i=l; i<=r; i++)
        s[i]='0';
    for(int i=l; i<=mid; i++)
    {
        s[i]='1';
        add_element(s);
        s[i]='0';
    }
    build(l,mid);
    build(mid+1,r);
}
void dnc(int l,int r,vector<int>&a)
{
    if(l==r)
    {
        ans[a[0]]=l;
        return;
    }
    string s(n, '1');
    int mid=l+r>>1;
    vector<int> left,right;
    for(auto x:a)
        s[x]='0';
    for(int i=0; i<n; i++)
    {
        if(s[i]=='1') continue;
        s[i]='1';
        if(check_element(s))left.pb(i);
        else right.pb(i);
        s[i]='0';
    }
    dnc(l,mid,left);
    dnc(mid+1,r,right);
}
//void compile_set(){}
vector<int> restore_permutation(int N,int w,int r)
{n=N;
    vector<int> a;
    ans.resize(n);
    build(0,n-1);
    compile_set();
    for(int i=0;i<n;i++)
        a.pb(i);
    dnc(0,n-1,a);
    return ans;
}/*
void phongbeo()
{
    cin>>n;
    for(int i=1; i<=n; i++)
        p.pb(i-1);
    shuffle(p.begin(),p.end(),rd);
    vector<int>kaka=restore_permutation(n,n*7,n*7);
    for(int i=0; i<n; i++)
        cout<<p[i]<<" "<<kaka[i],down
        cout<<dem<<" "<<dem2;
}
*/

Compilation message (stderr)

messy.cpp:27:17: warning: overflow in conversion from 'double' to 'int' changes value from '1.0e+16' to '2147483647' [-Woverflow]
   27 | const int inf = 1e16;
      |                 ^~~~
messy.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~
messy_c.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~

• Subtask 1: 20 / 20
• Subtask 2: 18 / 18
• Subtask 3: 11 / 11
• Subtask 4: 21 / 21
• Subtask 5: 30 / 30