accumulate function in C

In C language, the "accumulate" function is not a standard library function, but the accumulation operation can be implemented by using the "accumulate" function template in the "" header file. The usage is "#include " has the following two functions: 1. Accumulate the values ​​in the specified range to an initial value; 2. It can be used to sum the elements in an array or container.

##In C language, the accumulate function is not a standard library function, but accumulation can be achieved by using the accumulate function template in the header file operate. This function is used to accumulate values ​​within a specified range to an initial value.

Usage:

#include <numeric.h>

T accumulate(InputIt first, InputIt last, T init);

Parameter description:

first: An iterator that defines the starting position of the range.
• last: An iterator that defines the end position of the range (not included in the range).
• init: initial value.

Return value:

accumulate function returns a value of type T, representing the accumulation result.

Function:

Add the values ​​in the specified range to an initial value.
• Can be used to sum the elements in an array or container.

Sample code:

#include <stdio.h>
#include <numeric.h>

int main() {
    int numbers[] = {1, 2, 3, 4, 5};
    int sum = accumulate(numbers, numbers + 5, 0);

    printf("Sum of numbers: %d
", sum);
    return 0;
}

The above example code accumulates the elements in the array numbers and prints the result. In this example, the accumulate function accumulates elements in the array starting at index 0 up to and including index 5, starting with an initial value of 0. Finally, print out the cumulative result and the output is 15.

Please note that the accumulate function can be used with different types of elements and different types of accumulation results. In actual use, the correct parameter type and range need to be selected according to the specific situation.

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