摘要： 3SumGiven an arraySofnintegers, are there elementsa,b,cinSsuch thata+b+c= 0? Find all unique triplets in the array which gives the sum of zero.Note:El... 阅读全文

摘要： int转string（注：itoa不是标准函数，OJ平台可能不接受）int n = 10;char temp[32];string str; sprintf(temp, "%d", n);str = temp;orstring str = to_string(n);注意：to_string(int ... 阅读全文