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输入样例:
7
1 6 5 4 3 2 1
输出样例:
2
#include
using namespace std;
const int N=1e5+5;
int que[N];
int main(){int n;scanf("%d",&n);for(int i&#61;1;i<&#61;n;i&#43;&#43;){scanf("%d",&que[i]);}long long num&#61;2;long long sum&#61;0;int du&#61;1;int ji&#61;1;int imax&#61;que[1];for(int i&#61;2;i<&#61;n;){sum&#61;0;int j;du&#43;&#43;;for(j&#61;i;j<i&#43;num&&j<&#61;n;j&#43;&#43;){sum&#43;&#61;que[j];}if(sum>imax){ji&#61;du;imax&#61;sum;}num*&#61;2;i&#61;j;}cout<<ji<<endl;return 0;
}