本文实例为大家分享了C语言单链表实现多项式相加的具体代码，供大家参考，具体内容如下

//多项式的相加和相乘 #include<stdio.h>#include<stdlib.h>#pragma warning(disable:4996)//兼容scanftypedef struct node { int coef; int expon; struct node* link;}Polynode,*Polynomial;Polynomial InsertPolyLinklist(Polynomial in,Polynomial Pread) { Pread->link = in; Pread = in; in->link = NULL; return Pread;}Polynomial ReadPoly(void) { Polynomial Pread = (Polynomial)malloc(sizeof(Polynode)); Pread->link = NULL; Polynomial H = Pread; int N; scanf("%d ", &N); while (N--) { Polynomial p = (Polynomial)malloc(sizeof(Polynode)); scanf("%d %d", &p->coef, &p->expon); Pread= InsertPolyLinklist(p,Pread); } Polynomial F; F = H->link; free(H); return F;}void PrintPoly(Polynomial F) { while(F != NULL) { printf("%d %d ", F->coef, F->expon); F = F->link; } printf("\n");}Polynomial Add(Polynomial p1, Polynomial p2) { Polynomial t1=p1,t2=p2; Polynomial p=(Polynomial)malloc(sizeof(Polynode)); p->link = NULL; Polynomial q = p; Polynomial read; while (t1&&t2) { if (t1->expon == t2->expon) { if (t1->coef + t2->coef) { t1->coef = t1->coef + t2->coef; t1->expon = t1->expon; read = t1; q->link = read; q = read; t1 = t1->link; t2 = t2->link; } } else { if (t1->expon > t2->expon){ read = t1; q->link = read; q = read; t1 = t1->link; } else { if (t1->expon < t2->expon) { read = t2; q->link = read; q = read; t2 = t2->link; } } } } if (t1) { q->link = t1; } if (t2) { q->link = t2; } Polynomial F = p->link; free(p); return F;}int main(void) { Polynomial p1, p2, pp, ps; p1 = ReadPoly(); PrintPoly(p1); p2 = ReadPoly(); PrintPoly(p2); pp = Add(p1, p2); PrintPoly(pp);// ps = Mult(p1, p2);// PrintPoly(ps); return 0;}

参考

MOOC 浙大数据结构

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