Submission #3435721

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Source Code Expand

#include<bits/stdc++.h>
using namespace std;
map<int,int> m;
vector<int> v;
int main()
{
    int n,ans=0;
    scanf("%d",&n);
    for(int i=1;i<=n;i++)
    {
        int x;
        scanf("%d",&x);
        if(m[x]==0) v.push_back(x);
        ++m[x];
    }
    for(int i=0;i<v.size();i++) 
        if(m[v[i]]>=v[i]) ans+=m[v[i]]-v[i]; 
        else ans+=m[v[i]];
    printf("%d",ans);
    return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:8:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&n);
                   ^
./Main.cpp:12:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d",&x);
                       ^

Judge Result