Submission #1231573

#	Time	Username	Problem	Language	Result	Execution time	Memory
1231573		IBMG	Quality Of Living (IOI10_quality)	C++20	Compilation error	0 ms	0 KiB

quality

#include <bits/stdc++.h>
 
using namespace std;
 
#define ffor(i,o,f)        for(int i = o; i < f; i++)
#define bfor(i,f,o)        for(int i = f; i >= o; i--)
#define pb                 push_back
#define all(a)             (a).begin(), (a).end()
#define F                  first
#define S                  second
#define PI                 acos(-1)
#define endl               '\n'
typedef long long          ll;
typedef long double        ld;  
typedef pair < ll, ll >    pll;
typedef vector < ll >      vll;
const int INF = int(1e9 + 7);
const int MOD = 998244353;
const double EPS = double(1e-9);
const int TAM = 200005;

bool ok(int mid, vector<vector<int> > rec, int r, int c, int h, int w){
    vector<vector<int> > aux(r, vector<int>(c, 0));
    ffor(i, 0, r){
        ffor(j, 0, c){
            if(rec[i][j] < mid) aux[i][j] = -1;
            else if(rec[i][j] == mid) aux[i][j] = 0;
            else aux[i][j] = 1;
        }
    }
    ffor(i, 1, r) aux[i][0] += aux[i-1][0];
    ffor(j, 1, c) aux[0][j] += aux[0][j-1];
    ffor(i, 1, r){
        ffor(j, 1, c) aux[i][j] += aux[i-1][j] + aux[i][j-1] - aux[i-1][j-1];
    }
    ffor(i, h, r){
        ffor(j, w, c){
            if(aux[i][j] - aux[i-1][j] - aux[i][j-1] + aux[i-1][j-1] <= 0) return true;
        }
    }
    return false;
}

int rectangle(int R, int C, int H, int W, vector<vector<int> > rec){
    int n = R*C;
    int lo = 1, hi = n, mid, ans = -1;
    while(lo <= hi){
        mid = (lo+hi) / 2;
        if(ok(mid, rec, R, C, H, W)){
            ans = mid;
            hi = mid - 1;
        }
        else lo = mid + 1;
    }
    return ans;
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccuwD2U9.o: in function `main':
grader.cpp:(.text.startup+0xe9): undefined reference to `rectangle(int, int, int, int, int (*) [3001])'
collect2: error: ld returned 1 exit status