Submission #911450

# Submission time Handle Problem Language Result Execution time Memory
911450 2024-01-19T00:59:30 Z biank Mechanical Doll (IOI18_doll) C++14
84 / 100
148 ms 16548 KB
#include <bits/stdc++.h>
#include "doll.h"
using namespace std;
#define SIZE(x) (int)x.size()
#define forn(i,n) for(int i=0;i<int(n);i++)
#define forsn(i,s,n) for(int i=int(s);i<int(n);i++)
#define pb push_back
typedef vector<int> vi;

vi L, R, v, state;
int t=1, skip, s=0;

void build(int u, int l, int r) { //[l,r]
    L.pb(0), R.pb(0), v.pb(1);
    if(l>r) return;
    if(skip>0 && r-l+1<=skip) {
        assert(u>=0);
        assert(u<SIZE(v));
        v[u]=-1;
        skip-=r-l+1;
        return;
    }
    if(l==r) {
        assert(u>=0);
        assert(u<SIZE(v));
        v[u]=0;
        return;
    }
    v[u]=--s;
    int m=(l+r)/2;
    assert(u>=0);
    assert(u<SIZE(L));
    L[u] = t++;
    build(L[u], l, m);
    assert(u>=0);
    assert(u<SIZE(R));
    R[u] = t++;
    build(R[u], m+1, r);
    //dbgm(u,l,r,v[u],L[u],R[u]);
}

bool dfs(int u, int a) {
    //dbg(u);
    assert(u>=0);
    assert(u<SIZE(v));
    if(u!=0 && v[u]==-1) return false;
    if(!v[u]) {
        //dbgm(u,v[u]);
        v[u]=a;
        return true;
    }
    assert(u<SIZE(state));
    state[u]^=1;
    assert(u<SIZE(L));
    assert(u<SIZE(R));
    assert(v[L[u]]!=-1 || v[R[u]]!=-1);
    if(state[u]) return dfs(L[u],a);
    return dfs(R[u],a);
}

void create_circuit(int m, vi A) {
    vi c(m+1);
    assert(0<SIZE(c));
    assert(0<SIZE(A));
    c[0]=A[0];
    forsn(i,1,m+1) {
        assert(i>=0);
        assert(i<SIZE(c));
        c[i]=-1;
    }
    int n=SIZE(A);
    int sz=1;
    while(sz<n) sz*=2;
    assert(sz>=n);
    skip = sz-n;
    build(0,1,sz);
    assert(SIZE(L)==SIZE(R));
    assert(SIZE(v)==SIZE(L));
    //dbgm(L,R,v);
    vi a;
    forsn(i,1,n) {
        assert(i>=0);
        assert(i<SIZE(A));
        a.pb(A[i]);
    }
    a.pb(0);
    assert(SIZE(a)==n);
    state.assign(SIZE(v),0);
    forn(i,n) {
        assert(i<SIZE(a));
        bool flag=0;
        while(!flag) flag=dfs(0,a[i]);
    }
    vi x, y;
    forn(i,SIZE(v)) {
        assert(i<SIZE(L));
        assert(i<SIZE(R));
        if(L[i] && R[i]) {
            x.pb(v[L[i]]);
            y.pb(v[R[i]]);
        }
    }
    answer(c,x,y);
}
# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 39 ms 6880 KB Output is correct
3 Correct 35 ms 6580 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 7 ms 1372 KB Output is correct
6 Correct 56 ms 9944 KB Output is correct
7 Incorrect 1 ms 348 KB wrong serial number
8 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 39 ms 6880 KB Output is correct
3 Correct 35 ms 6580 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 7 ms 1372 KB Output is correct
6 Correct 56 ms 9944 KB Output is correct
7 Incorrect 1 ms 348 KB wrong serial number
8 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 39 ms 6880 KB Output is correct
3 Correct 35 ms 6580 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 7 ms 1372 KB Output is correct
6 Correct 56 ms 9944 KB Output is correct
7 Incorrect 1 ms 348 KB wrong serial number
8 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 1 ms 600 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 66 ms 10444 KB Output is correct
3 Correct 71 ms 10772 KB Output is correct
4 Correct 118 ms 15528 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 66 ms 10444 KB Output is correct
3 Correct 71 ms 10772 KB Output is correct
4 Correct 118 ms 15528 KB Output is correct
5 Correct 124 ms 16396 KB Output is correct
6 Correct 118 ms 16548 KB Output is correct
7 Correct 145 ms 16408 KB Output is correct
8 Correct 99 ms 16256 KB Output is correct
9 Correct 62 ms 10660 KB Output is correct
10 Correct 103 ms 16148 KB Output is correct
11 Correct 126 ms 15956 KB Output is correct
12 Correct 62 ms 10916 KB Output is correct
13 Correct 67 ms 11012 KB Output is correct
14 Correct 64 ms 11292 KB Output is correct
15 Correct 64 ms 11460 KB Output is correct
16 Correct 3 ms 600 KB Output is correct
17 Correct 63 ms 10680 KB Output is correct
18 Correct 63 ms 10680 KB Output is correct
19 Correct 62 ms 10964 KB Output is correct
20 Correct 99 ms 15972 KB Output is correct
21 Correct 148 ms 15956 KB Output is correct
22 Correct 104 ms 15768 KB Output is correct