Submission #801380

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Source Code Expand

#include<iostream>
#include<vector>
#include<stdio.h>
#include<algorithm>
#include<map>

using namespace std;

int main(){

    int N;
    cin>> N;
    vector<int> v;
    for(int i=0; i<N; i++){
        int a;
        scanf("%d", &a);
        v.push_back(a);
    }

    sort(v.begin(), v.end());
    reverse(v.begin(), v.end());

    map<int, int> mp;

    for(auto x: v){
        while(x%2==0){
            x /= 2;
        }
        mp[x]++;
    }

    cout<< mp.size()<< endl;

    return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:16:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", &a);
                        ^

Judge Result