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  • 均分纸牌

    洛谷1031

    题意:Noip2002提高组

    分析:对于长为L的区间,若其正好满足要求,则其中操作的次数为L-1次,否则每次遇到不满足要求的操作的次数加1

     1 //
     2 //  main.cpp
     3 //  Luogu
     4 //
     5 //  Created by wanghan on 16/9/11.
     6 //  Copyright © 2016年 wanghan. All rights reserved.
     7 //
     8 
     9 #include<iostream>
    10 #include<cstdio>
    11 #include<cstring>
    12 #include<algorithm>
    13 #include<cmath>
    14 #include<string>
    15 #include<cctype>
    16 #include<vector>
    17 #include<stack>
    18 #include<queue>
    19 #include<map>
    20 #include<set>
    21 #include<deque>
    22 #include<cmath>
    23 using namespace std;
    24 const int maxn=110;
    25 long long a[maxn];
    26 int n;
    27 int main(int argc, const char * argv[]) {
    28     while(cin>>n)
    29     {
    30         long long ans=0;
    31         for(int i=1;i<=n;i++){
    32             cin>>a[i];
    33             ans+=a[i];
    34         }
    35         long long cnt=ans/n;
    36         int tt=0;
    37         long long num=0;
    38         for(int i=1;i<=n;i++)
    39         {
    40             num+=a[i];
    41             if(num!=i*cnt) tt++;
    42         }
    43         cout<<tt<<endl;
    44     }
    45     return 0;
    46 }
    View Code
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  • 原文地址:https://www.cnblogs.com/wolf940509/p/5862865.html
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