我写题习惯了用ios::sync_with_stdio(0),cin.tie(0),cout.tie(0)解锁,但是今天在cf上写题的时候,交了好几遍都一直爆内存,最后发现是解锁的问题,相差了30倍,想问下为什么
题目链接:https://codeforces.com/contest/1833/problem/B
#include <bits/stdc++.h>
using namespace std;
#define IOS ios::sync_with_stdio(0),cin.tie(0),cout.tie(0)
#define f first
#define s second
void slove() {
//IOS;去掉就对了
int n,k;
cin >> n >> k;
vector<pair<int,int> > a(n);
vector<int> b(n);
vector<int> ans(n);
for (int i = 0; i < n; i++) {
cin >> a[i].f;
a[i].s = i;
}
for (int i = 0; i < n; i++) {
cin >> b[i];
}
sort(a.begin(),a.end());
sort(b.begin(),b.end());
for (int i = 0; i < n; i++) {
ans[a[i].s] = b[i];
}
for (int i = 0; i < n ;i++) {
cout << ans[i] << " ";
}
cout << endl;
}
int main() {
int tt;
cin >> tt;
while (tt--) {
slove();
}
return 0;
}
#include<iostream>
using namespace std;
int main(){
std::ios::sync_with_stdio(false);
cin.tie(0);
return 0;
}