题意:给定两个16进制数,问你把它转成二进制后,把第一个向左或者向右旋转最少的次数同,使得第一个变成第二个。
析:也是比较水的,按照要求做就好,注意0的情况,可能会忘记。
#pragma comment(linker, "/STACK:1024000000,1024000000") #include <cstdio> #include <string> #include <cstdlib> #include <cmath> #include <iostream> #include <cstring> #include <set> #include <queue> #include <algorithm> #include <vector> #include <map> #include <cctype> #include <cmath> #include <stack> #define frer freopen("in.txt", "r", stdin) #define frew freopen("out.txt", "w", stdout) using namespace std; typedef long long LL; typedef pair<int, int> P; const int INF = 0x3f3f3f3f; const double inf = 0x3f3f3f3f3f3f; const double PI = acos(-1.0); const double eps = 1e-8; const int maxn = 1e3 + 5; const int mod = 1e9 + 7; const char *mark = "+-*"; const int dr[] = {-1, 0, 1, 0}; const int dc[] = {0, 1, 0, -1}; const char *de[] = {"0000", "0001", "0010", "0011", "0100", "0101", "0110", "0111", "1000", "1001", "1010", "1011", "1100", "1101", "1110", "1111"}; int n, m; const int mon[] = {0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31}; const int monn[] = {0, 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31}; inline int Min(int a, int b){ return a < b ? a : b; } inline int Max(int a, int b){ return a > b ? a : b; } inline LL Min(LL a, LL b){ return a < b ? a : b; } inline LL Max(LL a, LL b){ return a > b ? a : b; } inline bool is_in(int r, int c){ return r >= 0 && r < n && c >= 0 && c < m; } int main(){ int T; cin >> T; for(int kase = 1; kase <= T; ++kase){ string s = "", t = ""; string s1; cin >> s1; while(s1.size() < 8) s1 = "0" + s1; for(int i = 0; i < 8; ++i){ if(isdigit(s1[i])){ s += (string)de[s1[i]-'0']; } else s += (string)de[s1[i]-'A'+10]; } cin >> s1; while(s1.size() < 8) s1 = "0" + s1; for(int i = 0; i < 8; ++i){ if(isdigit(s1[i])){ t += (string)de[s1[i]-'0']; } else t += (string)de[s1[i]-'A'+10]; } int cnt1 = 0, cnt2 = 0; for(int i = 0; i <= 32; ++i){ if(s[i] == '1') ++cnt1; if(t[i] == '1') ++cnt2; } if(cnt1 != cnt2){ printf("Case #%d: Not possible ", kase); continue; } int ans = 0; string ss = s; while(true){ if(s == t) break; s.push_back(s[0]); s.erase(s.begin()); ++ans; if(ans > 35) break; } int ans2 = 0; while(true){ if(ss == t) break; char ch = ss[31]; ss = ch + ss; ss.resize(32); ++ans2; if(ans2 > 35) break; } if(ans > 35 && ans2 > 35) printf("Case #%d: Not possible ", kase); else if(ans < ans2) printf("Case #%d: %d Left ", kase, ans); else if(ans == ans2) printf("Case #%d: %d Any ", kase, ans); else printf("Case #%d: %d Right ", kase, ans2); } return 0; }