Submission #767627

#	Time	Username	Problem	Language	Result	Execution time	Memory
767627		raysh07	Art Collections (BOI22_art)	C++17	100 / 100	1286 ms	660 KiB

art

#include "art.h"
#include <bits/stdc++.h>
using namespace std;
//
// --- Sample implementation for the task art ---
//
// To compile this program with the sample grader, place:
//     art.h art_sample.cpp sample_grader.cpp
// in a single folder, then open the terminal in this directory (right-click onto an empty spot in the directory,
// left click on "Open in terminal") and enter e.g.:
//     g++ -std=c++17 art_sample.cpp sample_grader.cpp
// in this folder. This will create a file a.out in the current directory which you can execute from the terminal
// as ./a.out
// See task statement or sample_grader.cpp for the input specification
//
void solve(int n) {
    // std::vector<int> order = {1, 2, 3};
    // publish(order);
    // order = {2, 3, 1};
    // publish(order);
    // order = {1, 3, 2};
    // answer(order);
    
    vector <int> ans = {1};
    vector <int> a;
    for (int i = 1; i <= n; i++) a.push_back(i);
    int x = publish(a);
    
    for (int i = 2; i <= n; i++){
        vector <int> b;
        b.push_back(i);
        for (int j = 1; j <= n; j++) if (i != j) b.push_back(j);
        
        int y = publish(b);
        //a + x1 = x, a + y1 = y, x1 + y1 = i - 1 
        //x1 - y1 = x - y, x1 + y1 = i - 1 
        //i - 1 - x + y 
        int pos = (i - 1 - x + y) / 2;
        vector <int> nans;
        for (int i = 0; i < pos; i++) nans.push_back(ans[i]);
        nans.push_back(i);
        for (int i = pos; i < ans.size(); i++) nans.push_back(ans[i]);
        ans = nans;
    }
    
    answer(ans);
}

Compilation message (stderr)

art.cpp: In function 'void solve(int)':
art.cpp:42:29: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   42 |         for (int i = pos; i < ans.size(); i++) nans.push_back(ans[i]);
      |                           ~~^~~~~~~~~~~~
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: 5 / 5
• Subtask 2: 15 / 15
• Subtask 3: 15 / 15
• Subtask 4: 15 / 15
• Subtask 5: 20 / 20
• Subtask 6: 30 / 30