题目:给你n个数字推断.零和非零数字的个数差. 分析:简单题. 读入数据非零+1.为零-1. 说明:目标650题╮(╯▽╰)╭. #include <iostream> #include <cstdio> int main() { int n,m,t = 1; while (~scanf("%d",&n) && n) { int ans = 0; for (int i = 0; i < n; ++ i) { scanf("…
You are given a string consisting of parentheses () and []. A string of this type is said to be correct: (a) if it is the empty string (b) if A and B are correct, AB is correct, (c) if A is correct, (A) and [A] is correct. Write a program that takes…
栈 Time Limit:3000MS Memory Limit:0KB 64bit IO Format:%lld & %llu Description You are given a string consisting of parentheses () and []. A string of this type is said to be correct: (a) if it is the empty string (b) if A and B are correct,…