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为什么会Runtime Error?数据都行.#include <iostream> #include <math.h> using namespace std; int b1[100000]; int b2[10000000]; void setb1(int b1[],int n) { int i,first1,first2,count1=0; b1[0]=0; for(i=1;i<n;i++) { if(i==pow(double(10),count1)) { if(i==0) { first1=0; first2=0; } else { first1=b1[i-1]; first2=i-1; } count1++; } b1[i]=first1+count1*(i-first2); } } void setb2(int b2[],int n) { int i; b2[0]=0; for(i=1;i<n;i++) { b2[i]=b2[i-1]+b1[i]; } } int main() { int i,j,n,m; setb1(b1,100000); setb2(b2,10000000); cin>>n; for(i=0;i<n;i++) { cin>>m; for(j=0;;j++) { if(m>b2[j] && m<=b2[j+1]) { m-=b2[j]; break; } } for(j=0;;j++) { if(m>b1[j] && m<=b1[j+1]) { m-=b1[j]; break; } } j++; for(int k=0;k<(b1[j]-b1[j-1]-m);k++) { j/=10; } cout<<j%10<<endl; } return 1; } Followed by: Post your reply here: |
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