Submission #240929

#	Time	Username	Problem	Language	Result	Execution time	Memory
240929		SamAnd	Hindeks (COCI17_hindeks)	C++17	50 / 50	101 ms	5876 KiB

hindeks

#include <bits/stdc++.h>
using namespace std;
#define m_p make_pair
#define all(x) (x).begin(),(x).end()
#define sz(x) ((int)(x).size())
#define fi first
#define se second
typedef long long ll;
mt19937 rnd(chrono::steady_clock::now().time_since_epoch().count());
mt19937 rnf(2106);
const int N = 1000006;

int a[N];

void solv()
{
    int qq;
    scanf("%d", &qq);
    while (qq--)
    {
        int x;
        scanf("%d", &x);
        ++a[x];
    }
    int q = 0;
    for (int i = N - 1; i >= 0; --i)
    {
        q += a[i];
        if (q >= i)
        {
            printf("%d\n", i);
            return;
        }
    }
}

int main()
{
    #ifdef SOMETHING
    freopen("input.txt", "r", stdin);
    //freopen("output.txt", "w", stdout);
    #endif // SOMETHING
    //ios_base::sync_with_stdio(false), cin.tie(0);
    solv();
    return 0;
}

//while ((double)clock() / CLOCKS_PER_SEC <= 0.9){}

Compilation message (stderr)

hindeks.cpp: In function 'void solv()':
hindeks.cpp:18:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &qq);
     ~~~~~^~~~~~~~~~~
hindeks.cpp:22:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", &x);
         ~~~~~^~~~~~~~~~

• Subtask 1: 50 / 50