Submission #598122

#	Time	Username	Problem	Language	Result	Execution time	Memory
598122		MasterTaster	Art Collections (BOI22_art)	C++17	Compilation error	0 ms	0 KiB

art

#include "art.h"
#include <cstdarg>
#include <cstdio>
#include <cstdlib>
#include <set>
#include <vector>

#define pb push_back

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> ress; for (int i=0; i<n; i++) ress.pb(-1);
    for (int i=1; i<=n; i++)
    {
        vector<int> sta;
        sta.pb(i);
        for (int j=1; j<=n; j++) if (j!=i) sta.pb(j);
        int a=publish(sta);

        sta.clear();
        for (int j=1; j<=n; j++) if (j!=i) sta.pb(j);
        sta.pb(i);
        int b=publish(sta);

        int x=(a+b-n+1)/2;

        cout<<a<<" "<<b<<" "<<x<<endl;
        ress[a-x]=i;
    }

    answer(ress);
}

Compilation message (stderr)

art.cpp: In function 'void solve(int)':
art.cpp:46:9: error: 'cout' was not declared in this scope
   46 |         cout<<a<<" "<<b<<" "<<x<<endl;
      |         ^~~~
art.cpp:6:1: note: 'std::cout' is defined in header '<iostream>'; did you forget to '#include <iostream>'?
    5 | #include <set>
  +++ |+#include <iostream>
    6 | #include <vector>
art.cpp:46:34: error: 'endl' was not declared in this scope
   46 |         cout<<a<<" "<<b<<" "<<x<<endl;
      |                                  ^~~~
art.cpp:6:1: note: 'std::endl' is defined in header '<ostream>'; did you forget to '#include <ostream>'?
    5 | #include <set>
  +++ |+#include <ostream>
    6 | #include <vector>
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) {
      |        ~~~~~~~~~^~~~