m0_52294561的博客

原创 怎样运行结果是4acbd

#include<bits/stdc++.h>using namespace std;char a[505],b[505];int f[505][505],g[505][505];void getans(int n,int m){if(!n||!m) return;if(g[n][m]==1){getans(n-1,m-1);printf("%c",a[n]);}else if(g[n][m]==1) getans(n-1,m);else getans(n,m-1);}