摘要:
题面 "传送门" 题解 嗯……还是懒得写了…… "这里" //minamoto include define R register define IT map::iterator define fp(i,a,b) for(R int i=a,I=b+1;iI; i) define go(u) for 阅读全文
摘要:
题面 "传送门" 题解 懒了…… "这里" 写得挺好的…… //minamoto include define R register define ll long long define IT map::iterator define fp(i,a,b) for(R int i=a,I=b+1;iI 阅读全文
摘要:
题面 "传送门" 题解 话说……就一个杜教筛……刚才那道拿过来改几行就行了…… //minamoto include define R register define ll long long define IT map::iterator define fp(i,a,b) for(R int i= 阅读全文