Submission #877472

#	Time	Username	Problem	Language	Result	Execution time	Memory
877472		vjudge1	Art Collections (BOI22_art)	C++17	35 / 100	153 ms	63388 KiB

art

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

using namespace std;

//#define int long long

#define pb push_back
#define mp make_pair
#define mt make_tuple
#define all(v) v.begin(), v.end()
#define rall(v) v.rbegin(), v.rend()

using ll = long long;
using ld = long double;
 
const int mxn = 4005;


int c[mxn][mxn];
int n;
bool comp(int a,int b){
    if(c[a][b] != -1)return c[a][b];
    vector<int> v1,v2;
    v2.pb(b);
    v2.pb(a);
    v1.pb(a);
    v1.pb(b);

    for(int i = 1;i<=n;i++){
        if(i !=  a&& i != b){
            v1.pb(i);
            v2.pb(i);
        }
    }

    return c[a][b] = (publish(v1) < publish(v2));
}

void solve(int _n) {
    memset(c, -1, sizeof c);
    n = _n;
    vector<int> v;
    for(int i = 1;i<=n;i++)v.pb(i);
    stable_sort(all(v), comp);

    answer(v);

}

Compilation message (stderr)

art.cpp: In function 'bool comp(int, int)':
art.cpp:37:20: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
   37 |     return c[a][b] = (publish(v1) < publish(v2));
      |            ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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: 0 / 15
• Subtask 5: 0 / 20
• Subtask 6: 0 / 30