[codeforces 1277B] Make Them Odd 模拟

[codeforces 1277B]  Make Them Odd 模拟

总目录详见https://blog.csdn.net/mrcrack/article/details/103564004

在线测评地址http://codeforces.com/contest/1277/problem/B

Problem	Lang	Verdict	Time	Memory
B - Make Them Odd	GNU C++11	Accepted	78 ms	3000 KB

    #include <cstdio>
    #include <algorithm>
    #define maxn 200010
    using namespace std;
    struct node{
    	int v,num;
    }a[maxn],b[maxn];
    int cmp(node a,node b){
    	return a.v==b.v?a.num>b.num:a.v<b.v;
    }
    int main(){
    	int t,n,i,cnt,ans;
    	scanf("%d",&t);
    	while(t--){
    		ans=0;
    		scanf("%d",&n);
    		for(i=1;i<=n;i++)scanf("%d",&a[i].v),a[i].num=0;
    		for(i=1;i<=n;i++)
    			while(a[i].v%2==0)a[i].v/=2,a[i].num++;
    		sort(a+1,a+1+n,cmp);
    		b[1]=a[1],cnt=1;
    		for(i=2;i<=n;i++)
    			if(a[i].v!=a[i-1].v)b[++cnt]=a[i];
    		for(i=1;i<=cnt;i++)ans+=b[i].num;
    		printf("%d\n",ans);
    	}
    	return 0;
    }