题目描述 Farmer John is distributing chocolates at the barn for Valentine's day, and B (1 <= B <= 25,000) of his bulls have a special cow in mind to receive a chocolate gift. Each of the bulls and cows is grazing alone in one of the farm's N (2*B <=…
https://www.luogu.org/problem/show?pid=2984 题目描述 Farmer John is distributing chocolates at the barn for Valentine's day, and B (1 <= B <= 25,000) of his bulls have a special cow in mind to receive a chocolate gift. Each of the bulls and cows is graz…
P2985 [USACO10FEB]吃巧克力Chocolate Eating 题目描述 Bessie has received N (1 <= N <= 50,000) chocolates from the bulls, but doesn't want to eat them too quickly, so she wants to plan out her chocolate eating schedule for the next D (1 <= D <= 50,000)…
P2983 [USACO10FEB]购买巧克力Chocolate Buying 题目描述 Bessie and the herd love chocolate so Farmer John is buying them some. The Bovine Chocolate Store features N (1 <= N <= 100,000) kinds of chocolate in essentially unlimited quantities. Each type i of choc…
P2983 [USACO10FEB]购买巧克力Chocolate Buying 题目描述 Bessie and the herd love chocolate so Farmer John is buying them some. The Bovine Chocolate Store features N (1 <= N <= 100,000) kinds of chocolate in essentially unlimited quantities. Each type i of choc…
题目描述 Bessie and the herd love chocolate so Farmer John is buying them some. The Bovine Chocolate Store features N (1 <= N <= 100,000) kinds of chocolate in essentially unlimited quantities. Each type i of chocolate has price P_i (1 <= P_i <= 1…
题目描述 Bessie and the herd love chocolate so Farmer John is buying them some. The Bovine Chocolate Store features N (1 <= N <= 100,000) kinds of chocolate in essentially unlimited quantities. Each type i of chocolate has price P_i (1 <= P_i <= 1…
题目描述 Bessie and the herd love chocolate so Farmer John is buying them some. The Bovine Chocolate Store features N (1 <= N <= 100,000) kinds of chocolate in essentially unlimited quantities. Each type i of chocolate has price P_i (1 <= P_i <= 1…
https://www.luogu.org/problem/show?pid=2983 题目描述 Bessie and the herd love chocolate so Farmer John is buying them some. The Bovine Chocolate Store features N (1 <= N <= 100,000) kinds of chocolate in essentially unlimited quantities. Each type i of…
题目描述 Bessie and the herd love chocolate so Farmer John is buying them some. The Bovine Chocolate Store features N (1 <= N <= 100,000) kinds of chocolate in essentially unlimited quantities. Each type i of chocolate has price P_i (1 <= P_i <= 1…
传送门 按价格排序后贪心 ——代码 #include <cstdio> #include <iostream> #include <algorithm> int n; long long m, ans; struct node { long long x, y; }p[]; inline long long read() { , f = ; char ch = getchar(); ; ) + (x << ) + ch - '; return x * f;…
洛谷 P2984 [USACO10FEB]给巧克力Chocolate Giving 洛谷传送门 JDOJ 2680: USACO 2010 Feb Silver 2.Chocolate Giving JDOJ传送门 Description Farmer John is distributing chocolates at the barn for Valentine's day, and B (1 <= B <= 25,000) of his bulls have a special cow…
裸最短路.. ------------------------------------------------------------------------------------ #include<cstdio> #include<cstring> #include<algorithm> #include<iostream> #include<queue> #define rep( i , n ) for( int i = 0 ; i &…
因为是双向边,所以相当于两条到1的最短路和,先跑spfa然后直接处理询问即可 #include<iostream> #include<cstdio> #include<queue> using namespace std; const int N=50005,inf=1e9; int n,m,b,h[N],cnt,dis[N]; bool v[N]; struct qwe { int ne,to,va; }e[N<<2]; int read() { int…
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