Submission #926491

#	Time	Username	Problem	Language	Result	Execution time	Memory
926491		math_rabbit_1028	Art Collections (BOI22_art)	C++17	0 / 100	0 ms	344 KiB

art

#include "art.h"
#include <bits/stdc++.h>
using namespace std;

void solve(int N) {
    vector<int> ans(N);
    vector<int> ord(N+1);

    for (int i = 1; i <= N; i++) {
        int a, b;
        vector<int> vec;
        vec.push_back(i);
        for (int j = 1; j <= N; j++) {
            if (i == j) continue;
            vec.push_back(j);
        }
        a = publish(vec);
        vec.erase(vec.begin());
        vec.push_back(i);
        ord[i] = (a-b+N-1)/2;
        assert(0 <= ord[i] && ord[i] < N);
    }

    for (int i = 1; i <= N; i++) ans[ord[i]] = i;
    answer(ans);
}

Compilation message (stderr)

art.cpp: In function 'void solve(int)':
art.cpp:20:20: warning: 'b' may be used uninitialized in this function [-Wmaybe-uninitialized]
   20 |         ord[i] = (a-b+N-1)/2;
      |                   ~^~
interface.cpp: In function 'int publish(std::vector<int>)':
interface.cpp:20:17: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   20 |     if(v.size() != N) {
      |        ~~~~~~~~~^~~~
interface.cpp: In function 'void answer(std::vector<int>)':
interface.cpp:36:17: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   36 |     if(v.size() != N) {
      |        ~~~~~~~~~^~~~

• Subtask 1: 0 / 5
• Subtask 2: 0 / 15
• Subtask 3: 0 / 15
• Subtask 4: 0 / 15
• Subtask 5: 0 / 20
• Subtask 6: 0 / 30