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255ms,贴代码,好想知道0ms的同学是怎么实现的#include <iostream> #include <string> #include <vector> int secret[201]={0}; char msg[200]; int loops[201]={0}; char en_msg[200]; using namespace std; int main(){ while(true){ int n; cin>>n; if(n == 0){ break; } for(int i = 1; i<= n;i++){ cin>>secret[i]; } for(int i=1;i<=n;i++){ if(loops[i] != 0){ continue; } int index = secret[i]; int loop = 1; vector<int> pass_indices; pass_indices.push_back(index); while(index != i){ index = secret[index]; pass_indices.push_back(index); loop++; } for(int j=0;j<pass_indices.size();j++){ int index = pass_indices[j]; loops[index]=loop; } } int k; cin>>k; while(k != 0){ string s; getline(cin,s); s=s.substr(1); int sl = s.length(); for(int i=0; i<n;i++){ if(i<sl){ msg[i]=s[i]; }else{ msg[i]=' '; } } for(int i=0;i<n;i++){ int index = i+1; int loop = loops[index]; int t = k%loop; while(t>0){ index = secret[index]; t--; } en_msg[index-1] = msg[i]; } for(int i=0;i<n;i++){ cout<<en_msg[i]; } cout<<endl; cin>>k; } for(int i=1;i<=n;i++){ loops[i]=0; } cout<<endl; } return 0; } Followed by: Post your reply here: |
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