Submission #1156427

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Source Code Expand

#include<bits/stdc++.h>
#include <stdio.h>

using namespace std;

#define mod 1000000007LL
#define pi 3.141592653589793238462643383279;
#define ll long long
#define pii pair<int,int>
#define pll pair<ll,ll>
#define f first
#define s second
#define pic pair<char,long long >

void scan(vector<int> & v)
{
    for(int i=0;i<v.size();i++)
        scanf("%d",&v[i]);
}

void print(vector<int> & v)
{
    for(int i=0;i<v.size();i++)
        printf("%d ",v[i]);
}
void fun()
{
    ll n,c,k;
    cin>>n>>c>>k;
    vector<ll> v(n);
    for(ll i=0;i<n;i++)
        cin>>v[i];
    sort(v.begin(),v.end());
    ll ans=1;
    ll left=c-1;
    ll ma=v[0]+k;
    for(ll i=1;i<n;i++)
    {
        if(ma<v[i]||left==0)
        {
            ans++;
            left=c-1;
            ma=v[i]+k;
        }
        else
            left--;
    }
    cout<<ans<<endl;
}
int main()
{
    bool test=0;
    if(test==1)
    {
        freopen("input_file_name.txt","r",stdin);
        freopen("output_file_name.txt","w",stdout);
    }
    int t=1;
    //cin>>t;
    for(int i=1;i<=t;i++)
    {
        //cout<<"Case #"<<i<<": ";
        fun();
        //cout<<endl;
    }
    //int acc;cin>>acc;
    return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘void scan(std::vector<int>&)’:
./Main.cpp:18:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d",&v[i]);
                          ^
./Main.cpp: In function ‘int main()’:
./Main.cpp:55:49: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result]
         freopen("input_file_name.txt","r",stdin);
                                                 ^
./Main.cpp:56:51: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result]
         freopen("output_file_name.txt","w",stdout);
                                                   ^

Judge Result