Submission #1130247

#	Time	Username	Problem	Language	Result	Execution time	Memory
1130247		sohamsen15	Dancing Elephants (IOI11_elephants)	C++20	Compilation error	0 ms	0 KiB

elephants

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const int INF = 999999;

int a[50005];
int n, l;

void init(int N, int L, int X[]) {
    n = N; l = L;
    for (int i = 0; i < n; i++)
        a[i] = X[i];
}

int getMax(int arr[], int n) {
    int mx = arr[0];
    for (int i = 1; i < n; i++)
        if (arr[i] > mx)
            mx = arr[i];
    return mx;
}

void countSort(int arr[], int n, int exp) {
    int output[n];
    int i, count[10] = { 0 };

    for (i = 0; i < n; i++)
        count[(arr[i] / exp) % 10]++;

    for (i = 1; i < 10; i++)
        count[i] += count[i - 1];

    for (i = n - 1; i >= 0; i--) {
        output[count[(arr[i] / exp) % 10] - 1] = arr[i];
        count[(arr[i] / exp) % 10]--;
    }

    for (i = 0; i < n; i++)
        arr[i] = output[i];
}

void radixSort(int arr[], int n) {
    int m = getMax(arr, n);
    for (int exp = 1; m / exp > 0; exp *= 10)
        countSort(arr, n, exp);
}

int update(int idx, int y) {
    a[idx] = y;
    int b[n];
    for (int i = 0; i < n; i++) b[i] = a[i];
    radixSort(b, n);
    int ans = 0;
    for (int i = 0; i < n;) {
        ans++;
        bool done = false;
        for (int j = i + 1; j < n; j++) {
            if (b[j] - b[i] > l) {
                done = true;
                i = j; break;
            } else if (j == n - 1) {
                i = n;
                done = true;
            }
        }
        if (!done) i++;
    }
    return ans;
}

int main() {
    int x[] = {10, 15, 17, 20};
    init(4, 10, x);
    cout << update(2, 16) << endl;
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccxfVXCS.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/cct9fE7s.o:elephants.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status