Submission #513900

#	Time	Username	Problem	Language	Result	Execution time	Memory
513900		heroescharge	A Huge Tower (CEOI10_tower)	C++14	Compilation error	0 ms	0 KiB

tower

#include <iostream>
#include <fstream>

using namespace std;

int N, D;

int f(int arr[]) {
    int p1loc = 0;
    int p1val = 0;
    int p2loc = 0;

    int vals[N];

    while (p2loc < N) {
        while (arr[p1loc] <= arr[p2loc] + D && p1loc < N) {
            p1loc++;
            p1val++;
        }
        vals[p2loc] = p1val;
        p2loc++;
        p1val--;
    }

    int prod = 1;
    int M = 1000000009;
    for (int i = 0; i < N; i++) {
        prod  = (prod * (vals[i] % M)) % M;
    }

    return prod;
}

int main() {
    cin >> N  >> D;
    int arr[N];
    for (int i = 0; i < N; i++) {
        cin >> arr[i];
    }
    sort(arr, arr + N);
    cout << f(arr);
}

Compilation message (stderr)

tower.cpp: In function 'int main()':
tower.cpp:40:5: error: 'sort' was not declared in this scope; did you mean 'qsort'?
   40 |     sort(arr, arr + N);
      |     ^~~~
      |     qsort