hdu1047 Integer Inquiry 多次大数相加
2015-02-14 17:42
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题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=1047
[align=left]Problem Description[/align]
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.)
[align=left]Input[/align]
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.
[align=left]Output[/align]
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.
[align=left]Sample Input[/align]
[align=left]Sample Output[/align]
[align=left]Source[/align]
East Central North America 1996
纯大树相加:
代码例如以下:
题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=1047
[align=left]Problem Description[/align]
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.)
[align=left]Input[/align]
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.
[align=left]Output[/align]
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.
[align=left]Sample Input[/align]
1 123456789012345678901234567890 123456789012345678901234567890 123456789012345678901234567890 0
[align=left]Sample Output[/align]
370370367037037036703703703670
[align=left]Source[/align]
East Central North America 1996
纯大树相加:
代码例如以下:
#include <cstdio> #include <cstring> int sum[147]; char s[147]; void Add( char ss[]) { int len = strlen(ss); int z = 1; for(int i = len - 1 ; i >= 0 ; i-- ) { sum[z] +=(ss[i]-'0'); sum[z+1] +=sum[z]/10; sum[z]%=10; z++; } } int main() { int t; while(~scanf("%d",&t)) { while(t--) { memset(sum,0,sizeof(sum)); while(scanf("%s",s)&&s[0]!='0') { Add(s); } int flag = 0; for(int i = 147; i > 1 ; i-- ) { if(flag == 0 && sum[i] == 0) continue; else { flag = 1; printf("%d",sum[i]); } } printf("%d\n",sum[1]); if(t != 0) printf("\n"); } } return 0; }
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