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This article mainly explains "how to find the sum of 1 to 100 in C language". The content of the explanation in this article is simple and clear, and it is easy to learn and understand. let's study and learn how to find the sum of 1 to 100 in C language.

Topic: ask for 1, 2, 3, 3 +. + 98 99 100

(1) solve the problem by mathematical method.

(2) write a C language program to solve the problem.

Solution:

(1) Mathematical method

S = 1 / 2 / 2 / 3 +. + 98 99 100 = (1 100) + (2 99) + (3 98) +. + (4952) + (5051) = 101 * 50 = 5050

(2) C language programming

# include int main () {int sum = 0; / / assign initial value for (int I = 1; I

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