OJ-Problems-Source/HDOJ/5358_autoAC.cpp

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#pragma comment(linker, "/STACK:102400000,102400000")
#include <iostream>
#include<stdio.h>
#include<string.h>
#include<vector>
#include<algorithm>
#include<cmath>
#include<map>
#include<queue>
#define lson l,m,rt<<1
#define rson m+1,r,rt<<1 | 1
#define lowbit(x) x&(-x)
using namespace std;
typedef long long LL;
const int N=1e5+10;
long long inf=1e15;
const int MOD=1e9+7;
int T,n,m,k,x,y,z,l,tot;
long long cnt;
int a[N];
long long sum[N];
long long solve(long long L,long long R){
long long ans=0;
int l,r;
r=0;l=1;
for(int i=1;i<=n;i++){
if(l<i) l=i;
if(r<i-1) r=i-1;
while(l<=n && sum[l]-sum[i-1]<L) l++;
while(r+1<=n && sum[r+1]-sum[i-1]<R) r++;
if(l>r) continue;
if(sum[r]-sum[i-1]<L || sum[r]-sum[i-1]>=R) continue;
if(sum[l]-sum[i-1]<L || sum[l]-sum[i-1]>=R) continue;
ans+=(long long)(r-l+1)*i+(long long)(l+r)*(r-l+1)/2;
}
return ans;
}
int main()
{
int T;
scanf("%d",&T);
while(T--){
scanf("%d",&n);
sum[0]=0;
for(int i=1;i<=n;i++) {
scanf("%d",&a[i]);
sum[i]=sum[i-1]+a[i];
}
long long ans=0;
for(int k=1;k<=34;k++){
ans+=(long long)k*solve(pow(2,k-1),pow(2,k));
}
ans+=solve(0,1);
printf("%I64d\n",ans);
}
return 0;
}