제출 #587366

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
587366		Omar_Elgedawy	삶의 질 (IOI10_quality)	C++14	20 / 100	47 ms	828 KiB

quality

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;

#define ordered_set tree<int, null_type,less<int>, rb_tree_tag,tree_order_statistics_node_update>
//#include "grader.cpp"
#include "quality.h"
using namespace std;
#define cin(vec)        for(auto& i : vec) cin >> i
#define cout(vec)       for(auto& i : vec) cout << i << " "; cout << "\n";
#define fast            ios::sync_with_stdio(0);cin.tie(0);
#define loop(i,a,b)     for (int i = a; i < b; i++)
#define F               first
#define S               second
#define pb(n)           push_back(n)
#define pf(n)           push_front(n)
#define dci(d)          fixed<<setprecision(d)
#define sp              ' '
#define el              '\n'
#define all(v)          v.begin(),v.end()
#define f               find_by_order
int rectangle(int n, int m, int r, int c, int a[3001][3001]) {
    ordered_set s;
    for(int i=0;i<r;i++){
        for(int j=0;j<c;j++){
            s.insert(a[i][j]);
        }
    }
    int ans=*(s.f(s.size()/2));
    int op=1;
    for(int i=0;i<n-r;i++){
        if(op){
            if(s.size())
                    ans=min(ans,*s.f(s.size()/2));
            for(int j=0;j<m-c;j++){
                for(int k=i;k<r+i;k++){
    //                cout<<k<<' '<<j<<el;
                    s.erase(a[k][j]);
                }
                for(int k=i;k<r+i;k++){
    //                cout<<k<<' '<<j+c<<el;
                    s.insert(a[k][j+c]);
                }
//                cout(s);
                if(s.size())
                    ans=min(ans,*s.f(s.size()/2));
            }
            for(int j=m-c;j<m;j++){
                s.erase(a[i][j]);
            }
            for(int j=m-c;j<m;j++){
                s.insert(a[i+r][j]);
            }
        }
        else{
            if(s.size())
                    ans=min(ans,*s.f(s.size()/2));
            for(int j=m-1;j>=c;j--){
                for(int k=i;k<r+i;k++){
    //                cout<<k<<' '<<j+c<<el;
                    s.insert(a[k][j-c]);
                }
                for(int k=i;k<r+i;k++){
//                    cout<<k<<' '<<j<<el;
                    s.erase(a[k][j]);
                }
//                cout<<"D ";
//                cout(s);
                if(s.size())
                    ans=min(ans,*s.f(s.size()/2));
            }
            for(int j=0;j<c;j++){
                s.erase(a[i][j]);
            }
            for(int j=0;j<c;j++){
                s.insert(a[i+r][j]);
            }
        }
        op=!op;
    }
    if(s.size())
        ans=min(ans,*s.f(s.size()/2));
	return ans;
}

컴파일 시 표준 에러 (stderr) 메시지

quality.cpp: In function 'int rectangle(int, int, int, int, int (*)[3001])':
quality.cpp:82:5: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
   82 |     if(s.size())
      |     ^~
quality.cpp:84:2: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
   84 |  return ans;
      |  ^~~~~~

• Subtask 1: 20 / 20
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20
• Subtask 4: 0 / 20
• Subtask 5: 0 / 20