CodeRankGPT -
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The problem context involves a sequence where each term is defined as the sum of the previous three terms. The first three terms are given as inputs, along with the term number to be calculated. The task is to find the nth term of this sequence.
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The solution approach uses a recursive function to calculate the nth term. If n is less than 4, the function returns n directly. Otherwise, it calculates the sum of the previous three terms and calls itself with n decremented by 1 and the sum as the new first term. The second and third terms are updated accordingly. The recursion continues until n is less than 4, at which point the function returns the calculated sum.
#include
#include
#include
#include
//Complete the following function.
int find_nth_term(int n, int a, int b, int c) {
//Write your code here.
if (n < 4) return n;
int sum = a + b + c;
return find_nth_term(n - 1, sum, b + 1, a + b + c);
}
int main() {
int n, a, b, c;
scanf("%d %d %d %d", &n, &a, &b, &c);
int ans = find_nth_term(n, a, b, c);
printf("%d", ans);
return 0;
}
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