1 #include <bits/stdc++.h>
2
3 using namespace std;
4
5 //方法一 翻转字符串
6 void method1()
7 {
8 string s = "i love acm";
9 reverse(s.begin(), s.end());
10 cout << s << endl;
11 }
12
13 //方法二 翻转整形数组
14 void method2()
15 {
16 int n, a[100], l, r; //需要翻转的左边界 右边界
17
18 cin >> n;
19 for(int i = 1; i <= n; ++i) cin >> a[i];
20 cin >> l >> r;
21
22 reverse(a + l, a + r + 1); //这里注意 结束的指针是右边界下标加 1
23
24 for(int i = 1; i <= n; ++i) cout << a[i] << " ";
25 cout<<endl;
26 }
27
28 signed main()
29 {
30 method1();
31 method2();
32 return 0;
33 }
