- #刷题
请教一道题
chekie7735
刚开始刷题。第二题addTwoNumbers。单独test case都没问题，就是提交的时候run time error. last executed input:
[1,1,0,4,7,2,7,3,0,1][2,5,5,6,8,0,3,0,5,1]
我的code(c):
谢谢！
[1,1,0,4,7,2,7,3,0,1][2,5,5,6,8,0,3,0,5,1]
我的code(c):
/**[br][/br][br][/br] * Definition for singly-linked list.[br][/br][br][/br] * struct ListNode {[br][/br][br][/br] * int val;[br][/br][br][/br] * struct ListNode *next;[br][/br][br][/br] * };[br][/br][br][/br] */[br][/br][br][/br]struct ListNode* addTwoNumbers(struct ListNode* l1, struct ListNode* l2) {[br][/br][br][/br] struct ListNode *result = NULL, *iter, *node;[br][/br][br][/br] int carry = 0, sum, op1, op2;[br][/br][br][/br] while (l1 != NULL || l2 != NULL) {[br][/br][br][/br] if (l1 != NULL) {[br][/br][br][/br] op1 = l1->val;[br][/br][br][/br] l1 = l1->next;[br][/br][br][/br] }[br][/br][br][/br] else {[br][/br][br][/br] op1 = 0;[br][/br][br][/br] }[br][/br][br][/br] if (l2 != NULL) {[br][/br][br][/br] op2 = l2->val;[br][/br][br][/br] l2 = l2->next;[br][/br][br][/br] }[br][/br][br][/br] else {[br][/br][br][/br] op2 = 0;[br][/br][br][/br] }[br][/br][br][/br] sum = (op1 + op2 + carry)%10;[br][/br][br][/br] carry = (op1 + op2 + carry)/10;[br][/br][br][/br] node = (struct ListNode *)malloc(sizeof(struct ListNode));[br][/br][br][/br] node->val = sum;[br][/br][br][/br] if (result == NULL) {[br][/br][br][/br] result = node;[br][/br][br][/br] iter = result;[br][/br][br][/br] }[br][/br][br][/br] else {[br][/br][br][/br] iter->next = node;[br][/br][br][/br] iter = node;[br][/br][br][/br] }[br][/br][br][/br] }[br][/br][br][/br] if (carry == 1) {[br][/br][br][/br] node = (struct ListNode *)malloc(sizeof(struct ListNode));[br][/br][br][/br] node->val = 1;[br][/br][br][/br] iter->next = node;[br][/br][br][/br] }[br][/br][br][/br] return result;[br][/br][br][/br]}[br][/br][br][/br]大家帮我看看啥问题。谢谢！
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