Submission #896125

#	Time	Username	Problem	Language	Result	Execution time	Memory
896125		Macker	Quality Of Living (IOI10_quality)	C++14	Compilation error	0 ms	0 KiB

quality

#include <bits/stdc++.h>
#include "quality.h"
 
//#pragma GCC optimize("Ofast")
//#pragma GCC target("avx2")

using namespace std;
typedef long long ll;
typedef long double ld;
#define all(v) v.begin(), v.end()
#define ckmin(a, b) a = min(a, b)

void add(int x, multiset<int>& low, multiset<int>& hig){
    int m;
    if(low.size() == 0) m = 0;
    else m = *(--low.end());
    if(x >= m){
        hig.insert(x);
        while(hig.size() >= low.size()){
            low.insert(*hig.begin());
            hig.erase(*hig.begin());
        }
    }
    else {
        low.insert(x);
        while(low.size() > hig.size() + 1) {
            hig.insert(*(--low.end()));
            low.erase(--low.end());
        }
    }
}

void rem(int x, multiset<int>& low, multiset<int>& hig){
    if(low.find(x) != low.end()){
        low.erase(low.find(x));
        while(hig.size() >= low.size()){
            low.insert(*hig.begin());
            hig.erase(*hig.begin());
        }
    }
    else {
        hig.erase(hig.find(x));
        while(low.size() > hig.size() + 1) {
            hig.insert(*(--low.end()));
            low.erase(--low.end());
        }
    }
}


void rectangle(int r, int c, int h, int w, int *v){
    multiset<int> low, hig;
    int mn = INT_MAX;
    for (int i = 0; i < r - h; i++) {
        for (int j = 0; j < w; j++) {
            for (int k = 0; k < h; k++){
                add(v[i + k][j], low, hig);   
            }
        }
        mn = min(mn, (*--low.end()));
        
        for (int j = w; j < c; j++) {
            for (int k = 0; k < h; k++) {
                rem(v[i + k][j - w], low, hig);
            }
            for (int k = 0; k < h; k++) {
                add(v[i + k][j], low, hig);
            }
                
            mn = min(mn, (*--low.end()));
        }
    }
    
    cout << mn << endl;
}

Compilation message (stderr)

quality.cpp: In function 'void rectangle(int, int, int, int, int*)':
quality.cpp:57:29: error: invalid types 'int[int]' for array subscript
   57 |                 add(v[i + k][j], low, hig);
      |                             ^
quality.cpp:64:29: error: invalid types 'int[int]' for array subscript
   64 |                 rem(v[i + k][j - w], low, hig);
      |                             ^
quality.cpp:67:29: error: invalid types 'int[int]' for array subscript
   67 |                 add(v[i + k][j], low, hig);
      |                             ^