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奇偶分離問(wèn)題:調(diào)整后的數(shù)據(jù)為什么會(huì)改變?

奇偶分離問(wèn)題:調(diào)整后的數(shù)據(jù)為什么會(huì)改變?

C++
禾則 2018-09-19 19:28:40
#include?<iostream> using?namespace?std; int?adjust(int?a[],int?n); int?main() { ?int?n; ?int?a[n]; ?int?b[n]; ?cout<<"請(qǐng)輸入數(shù)組長(zhǎng)度:"<<endl; ?cin>>n; ?cout<<"請(qǐng)輸入各個(gè)元素:"<<endl; ?for(int?i=0;i<n;i++) ???cin>>a[i]; ?adjust; ?cout<<"調(diào)整后為:"<<endl; ?for(int?i=0;i<n;i++) ???cout<<b[i]<<"?";?? ?return?0; } int?adjust(int?a[],int?n) { ?int?i=0; ?int?b[n]; ?for(i=0;i<n;i++) ?{ ??if(a[i]%2!=0) ????b[i]=a[i]; ??else ????b[n-1-i]=a[i];?? ?} ?return?0; }但是運(yùn)行之后,數(shù)據(jù)都變了。十分感謝。
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?
AAnonymous

TA貢獻(xiàn)62條經(jīng)驗(yàn) 獲得超31個(gè)贊

#include?<iostream>

using?namespace?std;

int?adjust(int?*a,?int?*b,?int?n);

int?main()?{
????int?n;
????int?*a?=?nullptr;
????int?*b?=?nullptr;

????cout?<<?"請(qǐng)輸入數(shù)組長(zhǎng)度:"?<<?endl;
????cin?>>?n;
????a?=?new?int[n];
????b?=?new?int[n];

????cout?<<?"請(qǐng)輸入各個(gè)元素:"?<<?endl;
????for?(int?i?=?0;?i?<?n;?i++)
????????cin?>>?a[i];
????adjust(a,?b,?n);
????cout?<<?"調(diào)整后為:"?<<?endl;
????for?(int?i?=?0;?i?<?n;?i++)
????????cout?<<?b[i]?<<?"?";

????delete[]?a;
????delete[]?b;
????return?0;
}

int?adjust(int?*a,?int?*b,?int?n)?{
????int?left?=?0,?right?=?n?-?1;
????for?(int?i?=?0;?i?<?n;?i++)?{
????????if?(a[i]?%?2?!=?0)?{
????????????b[left]?=?a[i];
????????????++left;
????????}?else?{
????????????b[right]?=?a[i];
????????????--right;
????????}
????}
????return?0;
}


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