Submission #911455

# Submission time Handle Problem Language Result Execution time Memory
911455 2024-01-19T01:10:02 Z biank Mechanical Doll (IOI18_doll) C++14
84 / 100
128 ms 16404 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.pb(0), R.pb(0), v.pb(0);
    assert(u>=0 && u<SIZE(v));
    if(l>r) return;
    if(skip>0 && r-l+1<=skip) {
        v[u]=-1;
        skip-=r-l+1;
        return;
    }
    if(l==r) return;
    v[u]=--s;
    int m=(l+r)/2;
    L[u] = t++;
    build(L[u], l, m);
    R[u] = t++;
    build(R[u], m+1, r);
}

bool dfs(int u, int a) {
    assert(u>=0 && u<SIZE(v));
    if(u!=0 && v[u]==-1) return false;
    if(!v[u]) {
        v[u]=a;
        return true;
    }
    state[u]^=1;
    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);
    c[0]=A[0];
    forsn(i,1,m+1) c[i]=-1;
    int n=SIZE(A), sz=1;
    while(sz<n) sz*=2;
    assert(sz>=n);
    skip = sz-n;
    build(0,1,sz);
    assert(SIZE(L)==SIZE(R) && SIZE(v)==SIZE(L));
    vi a;
    forsn(i,1,n) a.pb(A[i]);
    a.pb(0);
    state.assign(SIZE(v),0);
    forn(i,n) {
        bool flag=0;
        while(!flag) flag=dfs(0,a[i]);
    }
    vi x, y;
    forn(i,SIZE(v)) {
        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 1 ms 348 KB Output is correct
2 Correct 38 ms 6464 KB Output is correct
3 Correct 36 ms 6172 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 8 ms 1368 KB Output is correct
6 Correct 55 ms 9384 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 1 ms 348 KB Output is correct
2 Correct 38 ms 6464 KB Output is correct
3 Correct 36 ms 6172 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 8 ms 1368 KB Output is correct
6 Correct 55 ms 9384 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 1 ms 348 KB Output is correct
2 Correct 38 ms 6464 KB Output is correct
3 Correct 36 ms 6172 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 8 ms 1368 KB Output is correct
6 Correct 55 ms 9384 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 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 63 ms 10452 KB Output is correct
3 Correct 71 ms 10760 KB Output is correct
4 Correct 100 ms 15520 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 63 ms 10452 KB Output is correct
3 Correct 71 ms 10760 KB Output is correct
4 Correct 100 ms 15520 KB Output is correct
5 Correct 105 ms 16380 KB Output is correct
6 Correct 125 ms 16404 KB Output is correct
7 Correct 108 ms 16404 KB Output is correct
8 Correct 114 ms 16148 KB Output is correct
9 Correct 63 ms 10664 KB Output is correct
10 Correct 112 ms 16132 KB Output is correct
11 Correct 103 ms 15764 KB Output is correct
12 Correct 63 ms 10988 KB Output is correct
13 Correct 68 ms 10924 KB Output is correct
14 Correct 65 ms 11300 KB Output is correct
15 Correct 65 ms 11476 KB Output is correct
16 Correct 2 ms 600 KB Output is correct
17 Correct 75 ms 10684 KB Output is correct
18 Correct 66 ms 10680 KB Output is correct
19 Correct 79 ms 11192 KB Output is correct
20 Correct 103 ms 16052 KB Output is correct
21 Correct 108 ms 15956 KB Output is correct
22 Correct 128 ms 15788 KB Output is correct