Submission #638382

#	Time	Username	Problem	Language	Result	Execution time	Memory
638382		ghostwriter	Unscrambling a Messy Bug (IOI16_messy)	C++14	100 / 100	3 ms	504 KiB

messy

#include <vector>
#include "messy.h"
#include <bits/stdc++.h>
using namespace std;
#ifdef LOCAL
#include <debug.h>
#include "grader.cpp"
#endif
#define st first
#define nd second
#define pb push_back
#define pf push_front
#define _pb pop_back
#define _pf pop_front
#define lb lower_bound
#define ub upper_bound
#define mtp make_tuple
#define all(x) (x).begin(), (x).end()
#define sz(x) (int)(x).size()
typedef long long ll; typedef unsigned long long ull;
typedef double db; typedef long double ldb;
typedef pair<int, int> pi; typedef pair<ll, ll> pll;
typedef vector<int> vi; typedef vector<ll> vll; typedef vector<pi> vpi; typedef vector<pll> vpll;
typedef string str;
template<typename T> T gcd(T a, T b) { return (b == 0? a : gcd(b, a % b)); }
template<typename T> T lcm(T a, T b) { return a / gcd(a, b) * b; }
#define FOR(i, l, r) for (int (i) = (l); (i) <= (r); ++(i))
#define FOS(i, r, l) for (int (i) = (r); (i) >= (l); --(i))
#define EACH(i, x) for (auto &(i) : (x))
#define WHILE while
#define file "TEST"
mt19937 rd(chrono::steady_clock::now().time_since_epoch().count());
ll rand(ll l, ll r) { return uniform_int_distribution<ll>(l, r)(rd); }
/*
    Tran The Bao
    CTL - Da Lat
    Cay ngay cay dem nhung deo duoc cong nhan
*/
vi ans, ans1;
void add(int n, int l, int r) {
    if (l == r) return;
    str s(n, '1');
    FOR(i, l, r) s[i] = '0';
    int m = l + (r - l + 1) / 2 - 1;
    FOR(i, l, m) {
        str cur = s;
        cur[i] = '1';
        add_element(cur);
    }
    add(n, l, m);
    add(n, m + 1, r);
}
void cal(int l, int r, str s) {
    if (l == r) {
        FOR(i, 0, sz(s) - 1)
            if (s[i] == '0')
                ans[l] = i;
        return;
    }
    vi a1, a2;
    FOR(i, 0, sz(s) - 1) {
        if (s[i] == '1') continue;
        str cur = s;
        cur[i] = '1';
        if (check_element(cur)) a2.pb(i);
        else a1.pb(i);
    }
    str s1 = s, s2 = s;
    EACH(i, a1) s1[i] = '1';
    EACH(i, a2) s2[i] = '1';
    int mid = l + (r - l + 1) / 2 - 1;
    cal(l, mid, s1);
    cal(mid + 1, r, s2);
}
std::vector<int> restore_permutation(int n, int w, int r) {
    add(n, 0, n - 1);
    compile_set();
    str s(n, '0');
    ans.resize(n, 0);
    ans1.resize(n, 0);
    cal(0, n - 1, s);
    FOR(i, 0, n - 1) ans1[ans[i]] = i;
    return ans1;
}
/*
4 16 16
2 1 3 0
*/

Compilation message (stderr)

messy.cpp: In function 'void add(int, int, int)':
messy.cpp:27:31: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   27 | #define FOR(i, l, r) for (int (i) = (l); (i) <= (r); ++(i))
      |                               ^
messy.cpp:43:5: note: in expansion of macro 'FOR'
   43 |     FOR(i, l, r) s[i] = '0';
      |     ^~~
messy.cpp:27:31: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   27 | #define FOR(i, l, r) for (int (i) = (l); (i) <= (r); ++(i))
      |                               ^
messy.cpp:45:5: note: in expansion of macro 'FOR'
   45 |     FOR(i, l, m) {
      |     ^~~
messy.cpp: In function 'void cal(int, int, str)':
messy.cpp:27:31: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   27 | #define FOR(i, l, r) for (int (i) = (l); (i) <= (r); ++(i))
      |                               ^
messy.cpp:55:9: note: in expansion of macro 'FOR'
   55 |         FOR(i, 0, sz(s) - 1)
      |         ^~~
messy.cpp:27:31: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   27 | #define FOR(i, l, r) for (int (i) = (l); (i) <= (r); ++(i))
      |                               ^
messy.cpp:61:5: note: in expansion of macro 'FOR'
   61 |     FOR(i, 0, sz(s) - 1) {
      |     ^~~
messy.cpp:29:31: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   29 | #define EACH(i, x) for (auto &(i) : (x))
      |                               ^
messy.cpp:69:5: note: in expansion of macro 'EACH'
   69 |     EACH(i, a1) s1[i] = '1';
      |     ^~~~
messy.cpp:29:31: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   29 | #define EACH(i, x) for (auto &(i) : (x))
      |                               ^
messy.cpp:70:5: note: in expansion of macro 'EACH'
   70 |     EACH(i, a2) s2[i] = '1';
      |     ^~~~
messy.cpp: In function 'std::vector<int> restore_permutation(int, int, int)':
messy.cpp:27:31: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   27 | #define FOR(i, l, r) for (int (i) = (l); (i) <= (r); ++(i))
      |                               ^
messy.cpp:82:5: note: in expansion of macro 'FOR'
   82 |     FOR(i, 0, n - 1) ans1[ans[i]] = i;
      |     ^~~

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