제출 #477230

#제출 시각아이디문제언어결과실행 시간메모리
477230ponytailUnscrambling a Messy Bug (IOI16_messy)C++17
컴파일 에러
0 ms0 KiB
#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;

void add_element(std::string x);
bool check_element(std::string x);
void compile_set();

std::vector<int> restore_permutation(int n, int w, int r);

// 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("WA\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) {
    cout << "Added " << x << "\n";
    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;
}

//TODO: Implement

int fastlog(int n) {
    return 32 - __builtin_clz(n) - 1;
}
std::vector<int> restore_permutation(int n, int w, int r) {
    vector<int> p(n);
    string empty;
    for(int i=0; i<n; i++) empty += '0';
    for(int i=1; i<n; i+=2) {
        empty[i] = '1';
        add_element(empty);
        empty[i] = '0';
    }
    for(int i=1; i<fastlog(n); i++) {
        for(int j=0; j<n; j++) {
            if((j&(1<<i)) != 0) {
                int v = j % (1<<i);
                v = (1<<i) - 1 - v;
                for(int k=0; k<n; k++) {
                    if(k % (1<<i) == v % (1<<i)) {
                        empty[k] = '1';
                    }
                }
                empty[j] = '1';
                add_element(empty);
                for(int k=0; k<n; k++) {
                    empty[k] = '0';
                }
            }
        }
    }
    compile_set();
    for(int i=0; i<n; i++) {
        empty[i] = '1';
        if(check_element(empty)) {
            p[i]++;
        }
        empty[i] = '0';
    }
    for(int i=1; i<fastlog(n); i++) {
        for(int j=0; j<n; j++) {
            int v = (1<<i) - 1 - p[j];
            for(int k=0; k<n; k++) {
                if(p[k] % (1<<i) == v % (1<<i)) {
                    empty[k] = '1';
                }
            }
            empty[j] = '1';
            if(check_element(empty)) {
                p[j] += (1<<i);
            }
            for(int k=0; k<n; k++) {
                empty[k] = '0';
            }
        }
    }
    return p;
}

컴파일 시 표준 에러 (stderr) 메시지

messy.cpp: In function 'int main()':
messy.cpp:47:23: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   47 |     if (answer.size() != n) {
      |         ~~~~~~~~~~~~~~^~~~
/usr/bin/ld: /tmp/ccw8P6VM.o: in function `helper::read_int()':
grader.cpp:(.text+0x860): multiple definition of `helper::read_int()'; /tmp/ccG64kfM.o:messy.cpp:(.text+0x920): first defined here
/usr/bin/ld: /tmp/ccw8P6VM.o: in function `get_p(int)':
grader.cpp:(.text+0x8b0): multiple definition of `get_p(int)'; /tmp/ccG64kfM.o:messy.cpp:(.text+0x970): first defined here
/usr/bin/ld: /tmp/ccw8P6VM.o:(.bss+0x10): multiple definition of `helper::p'; /tmp/ccG64kfM.o:(.bss+0x10): first defined here
/usr/bin/ld: /tmp/ccw8P6VM.o: in function `wa()':
grader.cpp:(.text+0x8d0): multiple definition of `wa()'; /tmp/ccG64kfM.o:messy.cpp:(.text+0x990): first defined here
/usr/bin/ld: /tmp/ccw8P6VM.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/ccG64kfM.o:messy.cpp:(.text+0x9c0): first defined here
/usr/bin/ld: /tmp/ccw8P6VM.o:(.bss+0x28): multiple definition of `helper::n'; /tmp/ccG64kfM.o:(.bss+0x28): first defined here
/usr/bin/ld: /tmp/ccw8P6VM.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/ccG64kfM.o:messy.cpp:(.text+0xa10): first defined here
/usr/bin/ld: /tmp/ccw8P6VM.o:(.bss+0x0): multiple definition of `helper::r'; /tmp/ccG64kfM.o:(.bss+0x0): first defined here
/usr/bin/ld: /tmp/ccw8P6VM.o:(.bss+0x2c): multiple definition of `helper::compiled'; /tmp/ccG64kfM.o:(.bss+0x2c): first defined here
/usr/bin/ld: /tmp/ccw8P6VM.o:(.bss+0x40): multiple definition of `helper::set_[abi:cxx11]'; /tmp/ccG64kfM.o:(.bss+0x40): first defined here
/usr/bin/ld: /tmp/ccw8P6VM.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccG64kfM.o:messy.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/ccw8P6VM.o:(.bss+0x4): multiple definition of `helper::w'; /tmp/ccG64kfM.o:(.bss+0x4): first defined here
/usr/bin/ld: /tmp/ccw8P6VM.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/ccG64kfM.o:messy.cpp:(.text+0xbb0): first defined here
/usr/bin/ld: /tmp/ccw8P6VM.o: in function `compile_set()':
grader.cpp:(.text+0xb30): multiple definition of `compile_set()'; /tmp/ccG64kfM.o:messy.cpp:(.text+0xc60): first defined here
collect2: error: ld returned 1 exit status