Submission #291791

#	Time	Username	Problem	Language	Result	Execution time	Memory
291791		fivefourthreeone	Mechanical Doll (IOI18_doll)	C++17	0 / 100	1 ms	204 KiB

doll

#include "doll.h"
#pragma GCC target ("avx2")
#pragma GCC optimization ("O3")
#pragma GCC optimization ("unroll-loops")
#include <bits/stdc++.h>
#define owo(i,a, b) for(auto i=(a);i<(b); ++i)
#define uwu(i,a, b) for(auto i=(a)-1; i>=(b); --i)
#define senpai push_back
#define ttgl pair<int, int>
#define ayaya cout<<"ayaya~"<<endl
using namespace std;
/*#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
#define ordered_set tree<ttgl, null_type,less<ttgl>, rb_tree_tag,tree_order_statistics_node_update>*/
 
using ll = long long;
using ld = long double;
const ll MOD = 998244353;
const ll root = 62;
int gcd(int a,int b){return b?gcd(b,a%b):a;}
ll binpow(ll a,ll b){ll res=1;while(b){if(b&1)res=(res*a)%MOD;a=(a*a)%MOD;b>>=1;}return res;}
ll modInv(ll a){return binpow(a, MOD-2);}
const double PI = acos(-1);
const double eps = 1e-6;
const int INF = 0x3f3f3f3f;
const int NINF = 0xc0c0c0c0;
const ll INFLL = 0x3f3f3f3f3f3f3f3f;
const ll NINFLL = 0xc0c0c0c0c0c0c0c0;
const int mxN = 400001;
int n, m;
ttgl arr[mxN];
int st[mxN];
int cnt = 1, num =1;
/*void answer(vector<int> c, vector<int> x, vector<int> y) {
    for(int k: c) {
        cout<<k<<" ";
    }
    cout<<"\n";
    for(int k: x) {
        cout<<k<<" ";
    }
    cout<<"\n";
    for(int k: y) {
        cout<<k<<" ";
    }
}*/
vector<int> c, x, y;
int dfs(int l, int r) {
    if(l>=r)return 0;
    if(r<num - n)return -1;
    int mid = (l + r) >> 1;
    int pos = cnt++;
    arr[pos-1].first = dfs(l, mid);
    arr[pos-1].second = dfs(mid+1, r);
    return -pos;
}
void create_circuit(int M, vector<int> A) {
    n = A.size();
    m = M;
    if(n==1) {
        c.resize(m+1, 0);
        x.resize(0);
        y.resize(0);
        c[0] = A[0];
        answer(c, x, y);
    }
    c.resize(m+1, -1);
    c[0] = A[0];
    while(num < n) {
        num*=2;
    }
    dfs(0, num-1);
    x.resize(cnt);
    y.resize(cnt);
    owo(i, 0, cnt) {
        x[i] = arr[i].first;
        y[i] = arr[i].second;
    }
    answer(c, x, y);
}
/*int N, M;
vector<int> in;
int main() {
    freopen("file.in", "r", stdin);
    //freopen("file.out", "w", stdout);
    mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
    cin.tie(0)->sync_with_stdio(0);
    cin>>N>>M;
    in.resize(N);
    owo(i, 0, N) {
        cin>>in[i];
    }
    create_circuit(M, in);
    return 0;
}*/

Compilation message (stderr)

doll.cpp:3: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas]
    3 | #pragma GCC optimization ("O3")
      | 
doll.cpp:4: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas]
    4 | #pragma GCC optimization ("unroll-loops")
      |

• Subtask 1: 0 / 2
• Subtask 2: 0 / 4
• Subtask 3: 0 / 10
• Subtask 4: 0 / 10
• Subtask 5: 0 / 18
• Subtask 6: 0 / 56