题目链接:https://nanti.jisuanke.com/t/27644
题目大意:
解题思路:
代码:
1 #include<bits/stdc++.h> 2 #define lc(a) (a<<1) 3 #define rc(a) (a<<1|1) 4 #define MID(a,b) ((a+b)>>1) 5 #define fin(name) freopen(name,"r",stdin) 6 #define fout(name) freopen(name,"w",stdout) 7 #define clr(arr,val) memset(arr,val,sizeof(arr)) 8 #define _for(i,start,end) for(int i=start;i<=end;i++) 9 #define FAST_IO ios::sync_with_stdio(false);cin.tie(0); 10 using namespace std; 11 typedef long long LL; 12 const int N=1e5+5; 13 const int INF=0x3f3f3f3f; 14 const double eps=1e-10; 15 16 struct node{ 17 int a,b; 18 }p[N]; 19 20 bool cmp(node x,node y){ 21 return x.a*y.b+x.b>y.a*x.b+y.b; 22 } 23 24 int main(){ 25 FAST_IO; 26 int T; 27 cin>>T; 28 while(T--){ 29 int n,x; 30 cin>>n>>x; 31 for(int i=1;i<=n;i++){ 32 cin>>p[i].a; 33 } 34 for(int i=1;i<=n;i++){ 35 cin>>p[i].b; 36 } 37 sort(p+1,p+1+n,cmp); 38 int ans=0,tmp=1; 39 for(int i=1;i<=n;i++){ 40 ans=(ans+tmp*p[i].b)%10; 41 tmp=tmp*p[i].a%10; 42 } 43 ans=(ans+tmp*x)%10; 44 cout<<ans<<endl; 45 } 46 return 0; 47 }
原文地址:https://www.cnblogs.com/fu3638/p/9193528.html
时间: 2024-11-17 22:25:00