yxr0105

#include<iostream> #include<cstdio> #include<cstring> #include<cmath> using namespace std; const int N=100010; int n,m,l; int a[N],f[N][20]; int main(){ // freopen("in.txt","r",stdin); // freopen("ou

A.切绳子，不可多条连接，求n条绳子切成k段的最大长度。 卡精度？转成cm二分。n<=10000(5.16)#include<cstdio> #include<cstring> #include<cstdlib> #include<cmath> #include<algorithm> #define N 10005 using namespace std; int n,k; double a[N]