Submission #527513

#	Time	Username	Problem	Language	Result	Execution time	Memory
527513		beepbeepsheep	On the Grid (FXCUP4_grid)	C++17	100 / 100	12 ms	332 KiB

grid

#include "grid.h"

#include <bits/stdc++.h>
using namespace std;
#define ll int
std::vector<int> SortDisks(int n) {
	vector<int> v,ans(n);
	int chk[n];
	memset(chk,-1,sizeof(chk));
	for (int i=0;i<n;i++){
        v.push_back(i);
	}
	ll a=PutDisks(v),b;
	vector<int> w;
	while (v.size()){
        w.clear();
        ll t=v.back(),p=0;
        for (int i=v.size()-1;i>0;i--) swap(v[i],v[i-1]);
        for (int i=0;i<n;i++){
            if (chk[i]!=-1) w.push_back(chk[i]);
            else w.push_back(v[p++]);
        }
        b=PutDisks(w);
        if (b>a-1){
            t=v[0];
            ans[t]=b-(n-1);
            chk[ans[t]-1]=t;
            for (int i=0;i<v.size()-1;i++) swap(v[i],v[i+1]);
            v.pop_back();
        } else a=b;
	}
	return ans;
}

Compilation message (stderr)

grid.cpp: In function 'std::vector<int> SortDisks(int)':
grid.cpp:28:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   28 |             for (int i=0;i<v.size()-1;i++) swap(v[i],v[i+1]);
      |                          ~^~~~~~~~~~~

• Subtask 1: 12 / 12
• Subtask 2: 31 / 31
• Subtask 3: 57 / 57