Submission #225052

#	Time	Username	Problem	Language	Result	Execution time	Memory
225052		MKopchev	A Huge Tower (CEOI10_tower)	C++14	100 / 100	209 ms	9956 KiB

tower

#include<bits/stdc++.h>
using namespace std;
const int mod=1e9+9;

int n,d;
vector<int> inp;

int main()
{
    scanf("%i%i",&n,&d);

    for(int i=1;i<=n;i++)
    {
        int val;
        scanf("%i",&val);
        inp.push_back(val);
    }
    sort(inp.begin(),inp.end());

    long long output=1;
    for(int i=0;i<n;i++)
    {
        int pos=lower_bound(inp.begin(),inp.end(),inp[i]-d)-inp.begin();
        output=output*(i-pos+1)%mod;
    }

    printf("%lld\n",output);
    return 0;
}

Compilation message (stderr)

tower.cpp: In function 'int main()':
tower.cpp:10:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%i%i",&n,&d);
     ~~~~~^~~~~~~~~~~~~~
tower.cpp:15:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%i",&val);
         ~~~~~^~~~~~~~~~~

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