1, mt19937 实现源码
mt19937-64bit_ex.cpp /*References:T. Nishimura, Tables of 64-bit Mersenne TwistersACM Transactions on Modeling and Computer Simulation 10. (2000) 348--357.M. Matsumoto and T. Nishimura,Mersenne Twister: a 623-dimensionally e…
题意:有n个区间,找出俩俩区间相交的个数
分析:
设初始俩俩相交,找出不相交的(不同区间l>r),减去即可 #include<bits/stdc.h> using namespace std; typedef long long ll; int main(){ ios:…