Submission #419251

#	Time	Username	Problem	Language	Result	Execution time	Memory
419251		mat_v	Unscrambling a Messy Bug (IOI16_messy)	C++14	100 / 100	4 ms	496 KiB

messy

#include <bits/stdc++.h>

#define ff(i,a,b) for(int (i) = (a); (i) <= (b); ++(i))
#define pb push_back
#include "messy.h"

using namespace std;

int N;

void dodaj(int l, int r){
    if(l == r)return;
    ff(i,0,(r-l+1)/2 - 1){
        string x="";
        ff(j,0,N - 1){
            if(j < l || j > r)x += '1';
            else{
                if(j == i+l)x += '1';
                else x += '0';
            }
        }
        add_element(x);
    }
    int mid = (l + r) / 2;
    dodaj(l,mid);
    dodaj(mid + 1, r);
}

int slika[1005];
bool ima[1005];
int sol[1005];


void resi(int l, int r, vector<int> s){

    if(l == r){
        slika[l] = s[0];
        return;
    }
    vector<int> gde;
    ff(i,0,N-1)ima[i] = 0;
    for(auto c:s)ima[c] = 1;
    vector<int> pola;
    ff(i,0,r-l){
        string x = "";
        int kol = 0;
        ff(j,0,N-1){
            if(!ima[j])x += '1';
            else{
                if(j == s[i])x += '1';
                else x += '0';
                kol++;
            }
        }
        //check(x);
        if(check_element(x))pola.pb(s[i]);
    }
    vector<int> druga;
    ff(i,0,N-1)ima[i] = 0;
    for(auto c:pola)ima[c] = 1;
    for(auto c:s)if(!ima[c])druga.pb(c);
    int mid = (l + r) / 2;
    resi(l,mid,pola);
    resi(mid + 1,r,druga);
}

std::vector<int> restore_permutation(int n, int w, int r) {
    N = n;
    dodaj(0,n - 1);
    compile_set();
    vector<int> v;
    ff(i,0,n-1)v.pb(i);
    resi(0,n-1,v);

    vector<int> ans;
    ff(i,0,N-1)sol[slika[i]] = i;
    ff(i,0,N-1)slika[i] = sol[i];
    ff(i,0,N-1)ans.pb(slika[i]);
    return ans;
}

Compilation message (stderr)

messy.cpp: In function 'void dodaj(int, int)':
messy.cpp:4:27: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
    4 | #define ff(i,a,b) for(int (i) = (a); (i) <= (b); ++(i))
      |                           ^
messy.cpp:14:5: note: in expansion of macro 'ff'
   14 |     ff(i,0,(r-l+1)/2 - 1){
      |     ^~
messy.cpp:4:27: warning: unnecessary parentheses in declaration of 'j' [-Wparentheses]
    4 | #define ff(i,a,b) for(int (i) = (a); (i) <= (b); ++(i))
      |                           ^
messy.cpp:16:9: note: in expansion of macro 'ff'
   16 |         ff(j,0,N - 1){
      |         ^~
messy.cpp: In function 'void resi(int, int, std::vector<int>)':
messy.cpp:4:27: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
    4 | #define ff(i,a,b) for(int (i) = (a); (i) <= (b); ++(i))
      |                           ^
messy.cpp:42:5: note: in expansion of macro 'ff'
   42 |     ff(i,0,N-1)ima[i] = 0;
      |     ^~
messy.cpp:4:27: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
    4 | #define ff(i,a,b) for(int (i) = (a); (i) <= (b); ++(i))
      |                           ^
messy.cpp:45:5: note: in expansion of macro 'ff'
   45 |     ff(i,0,r-l){
      |     ^~
messy.cpp:4:27: warning: unnecessary parentheses in declaration of 'j' [-Wparentheses]
    4 | #define ff(i,a,b) for(int (i) = (a); (i) <= (b); ++(i))
      |                           ^
messy.cpp:48:9: note: in expansion of macro 'ff'
   48 |         ff(j,0,N-1){
      |         ^~
messy.cpp:4:27: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
    4 | #define ff(i,a,b) for(int (i) = (a); (i) <= (b); ++(i))
      |                           ^
messy.cpp:60:5: note: in expansion of macro 'ff'
   60 |     ff(i,0,N-1)ima[i] = 0;
      |     ^~
messy.cpp: In function 'std::vector<int> restore_permutation(int, int, int)':
messy.cpp:4:27: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
    4 | #define ff(i,a,b) for(int (i) = (a); (i) <= (b); ++(i))
      |                           ^
messy.cpp:73:5: note: in expansion of macro 'ff'
   73 |     ff(i,0,n-1)v.pb(i);
      |     ^~
messy.cpp:4:27: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
    4 | #define ff(i,a,b) for(int (i) = (a); (i) <= (b); ++(i))
      |                           ^
messy.cpp:77:5: note: in expansion of macro 'ff'
   77 |     ff(i,0,N-1)sol[slika[i]] = i;
      |     ^~
messy.cpp:4:27: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
    4 | #define ff(i,a,b) for(int (i) = (a); (i) <= (b); ++(i))
      |                           ^
messy.cpp:78:5: note: in expansion of macro 'ff'
   78 |     ff(i,0,N-1)slika[i] = sol[i];
      |     ^~
messy.cpp:4:27: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
    4 | #define ff(i,a,b) for(int (i) = (a); (i) <= (b); ++(i))
      |                           ^
messy.cpp:79:5: note: in expansion of macro 'ff'
   79 |     ff(i,0,N-1)ans.pb(slika[i]);
      |     ^~

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