codeforces 1060 A
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codeforces 1060 A
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https://codeforces.com/contest/1060/problem/A
題意:電話號碼是以8開頭的11位數(shù),給你n 個數(shù)問最多可以有多少個電話號碼
題解:min(8的個數(shù),n/11)
代碼如下:
#include <map> #include <set> #include <cmath> #include <ctime> #include <stack> #include <queue> #include <cstdio> #include <cctype> #include <bitset> #include <string> #include <vector> #include <cstring> #include <iostream> #include <algorithm> #include <functional> #define PI acos(-1) #define eps 1e-8 #define fuck(x) cout<<#x<<" = "<<x<<endl; #define FIN freopen("input.txt","r",stdin); #define FOUT freopen("output.txt","w+",stdout); //#pragma comment(linker, "/STACK:102400000,102400000") using namespace std; typedef long long LL; typedef pair<int, int> PII; const int maxn = 1e5+5; const int INF = 0x3f3f3f3f; const int MOD = 1e9+7; LL gcd(LL a,LL b){return b?gcd(b,a%b):a;} LL lcm(LL a,LL b){return a/gcd(a,b)*b;} LL powmod(LL a,LL b,LL MOD){LL ans=1;while(b){if(b%2)ans=ans*a%MOD;a=a*a%MOD;b/=2;}return ans;} double dpow(double a,LL b){double ans=1.0;while(b){if(b%2)ans=ans*a;a=a*a;b/=2;}return ans;}int main(){ #ifndef ONLINE_JUDGEFIN #endifint n;string str;cin>>n>>str;int k=n/11;int ans=0;for(int i=0;i<n;i++){if(str[i]=='8'){ans++;}}cout<<min(ans,k)<<endl; } View Code?
轉(zhuǎn)載于:https://www.cnblogs.com/buerdepepeqi/p/9745382.html
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