# Hangzhou Electric 2031 Binary conversion

Source: Internet
Author: User

Problem description Enter a decimal number n to convert it to the R-binary output.

Input data contains multiple test instances, each containing two integer n (32-bit integers) and R (2<=r<=16, r<>10).

Output outputs the converted number for each test instance, with one row for each output. If R is greater than 10, then the corresponding number rules refer to 16 binary (for example, 10 is represented by a, and so on).

Sample Input7 2 23 12-4 3

Sample Output111 1b-11
`1#include <stdio.h>2#include <string.h>3#include <cmath>4 inta[ +];5 intMain ()6 {7     intN, R, K;8      while(~SCANF ("%d%d", &n, &R))9     {TenK =0; One         //memset (A, 0, sizeof (a)); A         if(R > -|| R <2|| R = =Ten) -             Continue; -         if(N <0) printf ("-"); the          while(N) -         { -a[k++] = ABS (N%R); -N = ABS (n/R); +         } -         if(R <Ten) +         { A              for(intj = k1; J >=0; j--) atprintf"%d", A[j]); -         } -         Else -         { -              for(intj = k-1; J >=0; j--) -printf"%x", A[j]);//output in hexadecimal in         } -printf"\ n"); to     } +     return 0; -}`

Hangzhou Electric 2031 Binary conversion

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