题解 | #互换最大最小数#

#include <bits/stdc++.h>
using namespace std;

int main() {
    int n;cin>>n;
    int maxNum=INT_MIN,
        minNum=INT_MAX,
        index=0,
        maxIndex=-1,
        minIndex=-1,
        temp;
    vector<int>v;
    while(n--){
        cin>>temp;
        if(temp>maxNum){
            maxNum = temp;
            maxIndex = index;
        }
        if(temp<minNum){
            minNum = temp;
            minIndex = index;
        }
        v.push_back(temp);
        index++;
    }
    swap(v[maxIndex],v[minIndex]);
    for(auto a:v)
        cout<<a<<" ";
}
// 64 位输出请用 printf("%lld")

qd