Submission #1120681

#	Time	Username	Problem	Language	Result	Execution time	Memory
1120681		vjudge1	Art Collections (BOI22_art)	C++17	Compilation error	0 ms	0 KiB

art

// Bolatulu
#include <bits/stdc++.h>
#include "art.h"

/*
#pragma GCC target ("avx2")
#pragma GCC optimization ("O3")
#pragma GCC optimization ("unroll-loops")
*/

typedef long long ll;
typedef unsigned long long ull; 
typedef double db;
#define pb push_back
#define eb emplace_back
#define ins insert
#define F first
#define S second
#define md (tl+tr)/2
#define TL v+v,tl,md
#define TR v+v+1,md+1,tr
#define Tl t[v].l,tl,md
#define Tr t[v].r,md+1,tr
#define all(x) (x).begin(),(x).end()
#define yes cout << "YES\n"
#define no cout << "NO\n"
// #define int long long
#define file(s) freopen(s".in", "r", stdin); freopen(s".out", "w", stdout);
#define ld long double
using namespace std;

int binpow(int a,int n,int M) {
    if (n==0)
        return 1;
    if (n%2!=0)
        return (a * binpow(a,n-1,M))%M;
    int z=binpow(a,n/2,M);
    return (z*z)%M;
}

const ll INF = 1e18+7;
const int N = 5e3+7;
const int M = 1e4+7;
const ld eps = 1e-3;

int n,z;
vector <int> v;

int check(int i,int j) {
    swap(v[i],v[j]);
    int x=publish(v);
    swap(v[i],v[j]);
    return x;
}

void solve(int nn) {
    n=nn;
    for (int i=1;i<=n;i++)
        v.pb(i);
    vector <pair <int,int>> ans;
    for (int i=0;i<n;i++) {
        ans.eb(check(0,i),i+1);
    }
    sort(all(ans));
    for (int i=0;i<n;i++)
        v[i]=ans[i].S;
    answer(ans);
}

/*
signed main() {
    //file("jenga");
    ios_base::sync_with_stdio(false);cin.tie(nullptr);cout.tie(nullptr);
    int test = 1;
    // cin >> test;
    while (test--) {
        solve();
        if (test)
            cout << '\n';
    }
    return 0;
}
*/

Compilation message (stderr)

art.cpp: In function 'void solve(int)':
art.cpp:67:12: error: could not convert 'ans' from 'vector<std::pair<int, int>>' to 'vector<int>'
   67 |     answer(ans);
      |            ^~~
      |            |
      |            vector<std::pair<int, int>>
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) {
      |        ~~~~~~~~~^~~~