Submission #759454

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
759454	2023-06-16T10:23:22 Z	Dan4Life	Unscrambling a Messy Bug (IOI16_messy)	C++17	Compilation error	0 ms	0 KB

messy

#include <bits/stdc++.h>
//#include "messy.h"
using namespace std;
namespace helper {

    set<string> set_;
    bool compiled = false;
    int n;
    vector<int> p;
    int w;
    int r;

    int read_int() {
        int x;
        cin >> x;
        return x;
    }

}

using namespace helper;

vector<int> restore_permutation(int,int,int);
// A convenience function.
int get_p(int i) {
    int ret = p[i];
    return ret;
}

int main() {
    n = read_int();
    w = read_int();
    r = read_int();
    p = vector<int>(n);
    for (int i = 0; i < n; i++) {
        p[i] = read_int();
    }
    vector<int> answer = restore_permutation(n, w, r);
    
    if (answer.size() != n) {
        printf("WA1\n");
        return 0;
    }


    printf("%d", answer[0]);

    for (int i = 1; i < n; i++) {
        printf(" %d", answer[i]);
    }
    printf("\n");
    return 0;
}

void wa() {
    printf("WA\n");
    exit(0);
}

bool check(const string& x) {
    if ((int)x.length() != n) {
        return false;
    }
    for (int i = 0; i < n; i++) {
        if (x[i] != '0' && x[i] != '1') {
            return false;
        }
    }
    return true;
}

void add_element(string x) {
    if (--w < 0 || compiled || !check(x)) {
        wa();
    }
    set_.insert(x);
}

bool check_element(string x) {
    if (--r < 0 || !compiled || !check(x)) {
        wa();
    }
    return set_.count(x);
}

void compile_set() {
    if (compiled) {
        wa();
    }
    compiled = true;
    set<string> compiledSet;
    string compiledElement = string(n, ' ');
    for (set<string>::iterator it = set_.begin(); it != set_.end(); it++) {
        string s = *it;
        for (int i = 0; i < n; i++) {
            compiledElement[i] = s[get_p(i)];
        }
        compiledSet.insert(compiledElement);
    }
    set_ = compiledSet;
}

vector<int> restore_permutation(int n, int w, int r) {
    string s(n,'0'), ss(n,'0');
    for(int i = 0; i < n; i++) 
        s[i]='1',add_element(s);
    compile_set(); 
    vector<int> p(n,0), v(n,0);
    iota(begin(v),end(v),0);
    auto x = v;
    random_shuffle(begin(v),end(v));
    for(int i : x){
        for(int j : v){
            if(ss[j]=='1') continue;
            ss[j]='1';
            if(check_element(ss)){
                p[i]=j; break;
            }
            ss[j]='0';
        }   
    }
    return p;
}

Compilation message

messy.cpp: In function 'int main()':
messy.cpp:40:23: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   40 |     if (answer.size() != n) {
      |         ~~~~~~~~~~~~~~^~~~
/usr/bin/ld: /tmp/ccli0jQX.o: in function `helper::read_int()':
grader.cpp:(.text+0x860): multiple definition of `helper::read_int()'; /tmp/ccCXrQ6W.o:messy.cpp:(.text+0x920): first defined here
/usr/bin/ld: /tmp/ccli0jQX.o: in function `get_p(int)':
grader.cpp:(.text+0x8b0): multiple definition of `get_p(int)'; /tmp/ccCXrQ6W.o:messy.cpp:(.text+0x970): first defined here
/usr/bin/ld: /tmp/ccli0jQX.o:(.bss+0x10): multiple definition of `helper::p'; /tmp/ccCXrQ6W.o:(.bss+0x10): first defined here
/usr/bin/ld: /tmp/ccli0jQX.o: in function `wa()':
grader.cpp:(.text+0x8d0): multiple definition of `wa()'; /tmp/ccCXrQ6W.o:messy.cpp:(.text+0x990): first defined here
/usr/bin/ld: /tmp/ccli0jQX.o: in function `check(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)':
grader.cpp:(.text+0x900): multiple definition of `check(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)'; /tmp/ccCXrQ6W.o:messy.cpp:(.text+0x9c0): first defined here
/usr/bin/ld: /tmp/ccli0jQX.o:(.bss+0x28): multiple definition of `helper::n'; /tmp/ccCXrQ6W.o:(.bss+0x28): first defined here
/usr/bin/ld: /tmp/ccli0jQX.o: in function `check_element(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >)':
grader.cpp:(.text+0x950): multiple definition of `check_element(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >)'; /tmp/ccCXrQ6W.o:messy.cpp:(.text+0xa10): first defined here
/usr/bin/ld: /tmp/ccli0jQX.o:(.bss+0x0): multiple definition of `helper::r'; /tmp/ccCXrQ6W.o:(.bss+0x0): first defined here
/usr/bin/ld: /tmp/ccli0jQX.o:(.bss+0x2c): multiple definition of `helper::compiled'; /tmp/ccCXrQ6W.o:(.bss+0x2c): first defined here
/usr/bin/ld: /tmp/ccli0jQX.o:(.bss+0x40): multiple definition of `helper::set_[abi:cxx11]'; /tmp/ccCXrQ6W.o:(.bss+0x40): first defined here
/usr/bin/ld: /tmp/ccli0jQX.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccCXrQ6W.o:messy.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/ccli0jQX.o:(.bss+0x4): multiple definition of `helper::w'; /tmp/ccCXrQ6W.o:(.bss+0x4): first defined here
/usr/bin/ld: /tmp/ccli0jQX.o: in function `add_element(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >)':
grader.cpp:(.text+0xad0): multiple definition of `add_element(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >)'; /tmp/ccCXrQ6W.o:messy.cpp:(.text+0xb90): first defined here
/usr/bin/ld: /tmp/ccli0jQX.o: in function `compile_set()':
grader.cpp:(.text+0xb30): multiple definition of `compile_set()'; /tmp/ccCXrQ6W.o:messy.cpp:(.text+0xbf0): first defined here
collect2: error: ld returned 1 exit status