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Problem1747--求1~n的累加和
1747: 求1~n的累加和
[Creator :
]
Time Limit :
1.000
sec
Memory Limit :
128 MB
Solved: 3
Submit: 4
Statistics
Description
用高精度方法求1+2+3+……+N的精确值。N为长整数
Input
10
Output
55
Source/Category
高精度计算