谁能给我指点一下哪里错了,硬是找不到
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谁能给我指点一下哪里错了,硬是找不到
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BugHunter1919楼主2024/5/11 20:40

// // Created by lanys on 2024/5/9. //

quick sort

#include <iostream>
#include <cstdio>

using namespace std;

const int N = 1e5 + 10;
int q[N];
int n;

void quick_sort(int q[], int l, int r){
    if (l >= r) return;
    
    int x = q[(l + r) >> 1];
    int i = l - 1, j = r + 1;
    
    while(i < j){
        do i++; while(q[i] < x);
        do j++; while(q[j] > x);
        if(i < j) swap(q[i],q[j]);
    }
    
    quick_sort(q,l,j);
    quick_sort(q,j+1, r);
}

int main() {
    
    scanf("%d",&n);
    
    for(int i = 0; i< n; i++) scanf("%d",&q[i]);
    
    quick_sort(q,0,n-1);
    
    for(int i = 0; i < n; i++) printf("%d ",q[i]);
    
    
    return 0;
}
2024/5/11 20:40
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