• EOJ 1444 In Danger


    http://acm.cs.ecnu.edu.cn/problem.php?problemid=1444

    约瑟夫环问题

    找规律:

        1  1    1...1

        2  1    10...1

        3  3    11...1

        4  1  100...1

        5  3  101...1

        6  5  110...1

        7  7  111...1

        8  1  1000...1

    左移一位

     1 #include <iostream>
     2 #include <cstdio>
     3 #include <cstring>
     4 #include <cmath>
     5 #include <algorithm>
     6 #include <queue>
     7 #include <stack>
     8 #include <vector>
     9 #include <string>
    10 #include <set>
    11 #include <cctype>
    12 #include <cstdlib>
    13 #include <map>
    14 #define maxn 1000100
    15 #define inf 0x3f3f3f3f
    16 #define mod 9997
    17 #define pi 3.1415926535898
    18 #define LL long long 
    19 using namespace std; 
    20 
    21 int a[30];
    22 
    23 int main(){
    24     string s;
    25     while (cin >> s){
    26         if (s == "00e0") break;
    27         int t = (s[0] - '0') * 10 + s[1] - '0';
    28         int tmp = s[3] - '0';
    29         while (tmp--)
    30             t *= 10;
    31 
    32         int k = 1;
    33         a[0] = 1;
    34         while (t){
    35             a[k++] = t%2;
    36             t /= 2;
    37         }
    38         for (int i = k - 2; i >= 0; i--)
    39             t = t * 2 + a[i]; 
    40         cout << t << endl;
    41     }
    42     return 0;
    43 }
    View Code
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  • 原文地址:https://www.cnblogs.com/KimKyeYu/p/3523310.html
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