作者:
那必须得是我了
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2023-01-21 18:49:15
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所有人可见
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阅读 4
//这里填你的代码^^
#include<iostream>
#include<cstring>
#include<algorithm>
using namespace std;
const int N = 1e5+10;
int n;
int q[N],w[N];
void merge_sort(int l, int r)
{
if(l >= r) return;
int mid=l+r>>1;
merge_sort(l,mid),merge_sort(mid+1,r);
int i=l,j=mid+1,k=0;
while(i <= mid && j <= r)
if(q[i] < q[j]) w[k++] = q[i++];
else w[k++] = q[j++];
while(i <= mid) w[k++] = q[i++];
while(j <= r) w[k++] = q[j++];
for(i=l,j=0;i<=r;i++,j++) q[i] = w[j];
}
int main()
{
scanf("%d", &n);
for(int i=0;i<n;i++) scanf("%d",&q[i]);
merge_sort(0,n-1);
for(int i=0;i<n;i++) printf("%d ",q[i]);
cout<<endl;
return 0;
}