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 程式師世界 >> 編程語言 >> C語言 >> C++ >> C++入門知識 >> HDU1047:Integer Inquiry

HDU1047:Integer Inquiry

編輯:C++入門知識

Problem Description One of the first users of BIT's new supercomputer was Chip Diller. He extended his exploration of powers of 3 to go from 0 to 333 and he explored taking various sums of those numbers.  ``This supercomputer is great,'' remarked Chip. ``I only wish Timothy were here to see these results.'' (Chip moved to a new apartment, once one became available on the third floor of the Lemon Sky apartments on Third Street.)      Input The input will consist of at most 100 lines of text, each of which contains a single VeryLongInteger. Each VeryLongInteger will be 100 or fewer characters in length, and will only contain digits (no VeryLongInteger will be negative).    The final input line will contain a single zero on a line by itself.     Output Your program should output the sum of the VeryLongIntegers given in the input.      This problem contains multiple test cases!   The first line of a multiple input is an integer N, then a blank line followed by N input blocks. Each input block is in the format indicated in the problem description. There is a blank line between input blocks.   The output format consists of N output blocks. There is a blank line between output blocks.     Sample Input 1     123456789012345678901234567890 123456789012345678901234567890 123456789012345678901234567890 0     Sample Output 370370367037037036703703703670             //1002題的改版,注意下格式就好了       [cpp]  #include <iostream>   #include <cstdio>   #include <string.h>   using namespace std;      #define N 105      int main()   {       void add(char a[],char b[],char c[]);       char a[N],b[N],sum[N];       int n;       cin >> n;       getchar();       while(n--)       {           strcpy(sum,"0");           while(1)           {               scanf("%s",a);               if(!strcmp(a,"0"))               break;               add(a,sum,sum);           }           printf("%s\n",sum);           if(n)           cout << endl;       }          return 0;   }      void add(char a[],char b[],char c[])   {       int i,e,d;       int n,m;       char temp;       n=strlen(a);       m=strlen(b);       for(i=0; i<n/2; i++)       {           temp=a[i];           a[i]=a[n-1-i];           a[n-1-i]=temp;       }//將a倒置,另外倒置可以寫成另外的函數以便節省代碼量,後面多次調用       for(i=0; i<m/2; i++)       {           temp=b[i];           b[i]=b[m-1-i];           b[m-1-i]=temp;       }//將b倒置          e=0;       for(i=0; i<n&&i<m; i++)       {           d=a[i]-'0'+b[i]-'0'+e;           e=d/10;           c[i]=d%10+'0';       }//進行模擬加法       if(i<m)       {           for(; i<m; i++)           {               d=b[i]-'0'+e;               e=d/10;               c[i]=d%10+'0';           }       }       else       {           for(; i<n; i++)           {               d=a[i]-'0'+e;               e=d/10;               c[i]=d%10+'0';           }  www.2cto.com     }//如果有一個數的位數較多,特殊處理       if(e) c[i++]=e+'0';//處理最後一位可以進位的情況       c[i]=0;       n=i;          for(i=0; i<n/2; i++)       {           temp=c[i];           c[i]=c[n-1-i];           c[n-1-i]=temp;       }//倒置   }      

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