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高精度幂ac(c++)#include"iostream" using namespace std; int main() { int n; cin>>n; while(n--) { int f,s,num=0; int a[1000]={0},temp=0; int i,j,len=1; a[0]=1; cin>>f>>s; for(i=1;i<=f;i++) { for(j=0;j<len;j++) { a[j]=a[j]*i+temp; temp=a[j]/10; a[j]%=10; } while(temp!=0) { a[j]+=temp%10; temp/=10; j++; } len=j; } /*for(i=0;i<len;i++) cout<<a[len-1-i]; cout<<endl;*/ for(i=0;i<len;i++) if(s==a[i]) num++; cout<<num<<endl; } return 0; } Followed by:
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