P052.c

Problem Statement

P052.c

Print the sum of this series for upto n element. Series: 1 + (1 + 2) + (1 + 2 + 3) + (1 + 2 + 3 + 4) + ... + (1 + 2 + 3 + ... + n)

Source Code

#include <stdio.h>

int main()
{
    int n, sum = 0, temp = 0, i;
    printf("Enter the n : ");
    scanf("%d", &n);
    for (i = 1; i <= n; i++)
    {
        temp += i;
        sum += temp;
    }
    printf("%d", sum);
    return 0;
}

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● Author - Amit Dutta · Updated - 12 Dec 2025