310. [POJ2395] Out of Hay ★☆ 输入文件:outofhay.in 输出文件:outofhay.out 简单对比 时间限制:1 s 内存限制:128 MB Description The cows have run out of hay, a horrible event that must be remedied immediately. Bessie intends to visit the other farms to survey their ha…
POJ2395 Out of Hay 寻找最小生成树中最大的边权. 使用 Kruskal 求解,即求选取的第 \(n-1\) 条合法边. 时间复杂度为 \(O(e\log e)\) . #include<stdio.h> #include<string.h> #include<algorithm> using namespace std; const int maxn = 10005; int n, m, tot, f[2005]; struct edge{ int f…
C语言超级经典400道题目 1.C语言程序的基本单位是____ A) 程序行 B) 语句 C) 函数 D) 字符.C.1 2.C语言程序的三种基本结构是____构A.顺序结构,选择结构,循环结 B.递归结构,循环结构,转移结构 C.嵌套结构,递归结构,顺序结构 D.循环结构,转移结构,顺序结构.A.1 3.C语言规定,程序中各函数之间 A) 既允许直接递归调用也允许间接递归调用 B) 不允许直接递归调用也不允许间接递归调用 C) 允许直接递归调用不允许间接递归调用 D) 不允许直接递归调用允许间…
Description Given any integer 0 <= n <= 10000 not divisible by 2 or 5, some multiple of n is a number which in decimal notation is a sequence of 1's. How many digits are in the smallest such a multiple of n? Input Each line contains a number n. …
参考自:https://www.cnblogs.com/ECJTUACM-873284962/p/6423483.html B. Code For 1 time limit per test:2 seconds memory limit per test:256 megabytes input:standard input output:standard output Jon fought bravely to rescue the wildlings who were attacked by…
