蓝桥杯c++-蓝桥杯竞赛练习之算法提高题交换Easy.zip

#include <iostream> using namespace std; int main() { int n, m; cin >> n >> m; int *a = new int[n]; for(int i = 0; i < n; i++) cin >> a[i]; for(int i = 0; i < m; i++) { int p, q; cin >> p >> q; swap(a[p-1], a[q-1]); } for(int i = 0; i < n; i++) cout << a[i] << endl; delete [] a; return 0; }