多少个2011
http://oj.acm.zstu.edu.cn/JudgeOnline/problem.php?id=4230
題解:
模擬除法。
設t為被除數(shù)也就是201120112011......
每次輸出t/2011,保留t%p;
一直除到他t%p為0為止,記錄加了多少次2011。
/* *@Author: STZG *@Language: C++ */ #include <bits/stdc++.h> #include<iostream> #include<algorithm> #include<cstdlib> #include<cstring> #include<cstdio> #include<string> #include<vector> #include<bitset> #include<queue> #include<deque> #include<stack> #include<cmath> #include<list> #include<map> #include<set> //#define DEBUG #define RI register int using namespace std; typedef long long ll; //typedef __int128 lll; const int N=100000+10; const int MOD=1e9+7; const double PI = acos(-1.0); const double EXP = 1E-8; const int INF = 0x3f3f3f3f; int t,n,m,k,q; int ans,cnt,flag,temp; ll a[N]; char str; int main() { #ifdef DEBUGfreopen("input.in", "r", stdin);//freopen("output.out", "w", stdout); #endif//scanf("%d",&n);//scanf("%d",&t);//while(t--){}ll p;a[1]=2011;for(int i=2;i<=4;i++)a[i]=a[i-1]*10000+2011;//cout<<a[i];while(~scanf("%lld",&p)){ll t=2011;cnt=1;while(t<p){t=t*10000+2011;cnt++;}while(t!=0){cout<<t/p;t%=p;if(t==0)break;while(t<p){t=t*10000+2011;cnt++;}}cout<< " " <<cnt<<endl;}//cout << "Hello world!" << endl;return 0; }?
總結(jié)