很烦的题~~
View Code #include " iostream " #include " string " using namespace std; int i,j,L1,L2; char a[ 20000 ],b[ 20000 ]; int main(){ while (scanf( " %s %s " , & a, & b) != EOF) { if (a[ 0 ] == ' - ' && b[ 0 ] == ' - ' || a[ 0 ] != ' - ' && b[ 0 ] != ' - ' ) { int sign =- 1 ; if (a[ 0 ] == ' - ' && b[ 0 ] == ' - ' ) sign = 1 ; else sign = 0 ; int start1 = 0 ,start2 = 0 ,mark1 = 0 ,mark2 = 0 , int end1 = strlen(a),end2 = strlen(b); // ************处理a前面的0************ for (i = sign;i < strlen(a);i ++ ) if (a[i] == ' . ' ) { mark1 = 1 ; break ;} for (i = sign;i < strlen(a);i ++ ) { if (a[i] != ' 0 ' && i != strlen(a) - 1 ) { start1 = i; break ;} else start1 = strlen(a) - 1 ; } // *************处理b前面的0**************** for (i = sign;i < strlen(b);i ++ ) if (b[i] == ' . ' ) { mark2 = 1 ; break ;} for (i = sign;i < strlen(b);i ++ ) { if (b[i] != ' 0 ' && i != strlen(b) - 1 ) { start2 = i; break ;} else start2 = strlen(b) - 1 ; } // ************处理a含有“.”后面的0*************** if (mark1 == 1 ) { for (i = strlen(a) - 1 ;i >= sign;i -- ) if (a[i] != ' 0 ' ) { if (a[i] == ' . ' ) { end1 = i; break ;} else { end1 = i; break ;} } } // ************处理b含有“.”后面的0*********** if (mark2 == 1 ) { for (i = strlen(b) - 1 ;i >= sign;i -- ) if (b[i] != ' 0 ' ) { if (b[i] == ' . ' ) { end2 = i; break ;} else { end2 = i; break ;} } } // ***********处理0的情况************* if (end1 == start1) start1 = 0 ; if (end2 == start2) start2 = 0 ; // cout<<start1<<" "<<end1<<endl; // cout<<start2<<" "<<end2<<endl; if (end1 - start1 == end2 - start2) { int flag = 0 ; for (i = start1,j = start2;j < end2,i < end1;i ++ ,j ++ ) if (a[i] == b[j]) flag ++ ; if (flag == end1 - start1) cout << " YES " << endl; else cout << " NO " << endl; } else cout << " NO " << endl; } else cout << " NO " << endl; } return 0 ;} java版：
View Code import java.io. * ; import java.util.Scanner; import java.math.BigDecimal; class Main{ public static void main(String [] args) { Scanner cin = new Scanner( new BufferedInputStream(System.in)); BigDecimal a , b ; while (cin.hasNext()) { a = cin.nextBigDecimal(); b = cin.nextBigDecimal(); a = a.stripTrailingZeros(); b = b.stripTrailingZeros(); int c = a.compareTo(b); if (c == 0 ) System.out.println( " YES " ); else System.out.println( " NO " ); } }}