Educational Codeforces Round 68 (Rated for Div. 2) 7-15
各种被卡细节,然后掉绿了QAQhttp://codeforces.com/contest/1194/problem/B#includeusingnamespacestd;typedeflonglongll;#definePpair#definein(x)intx;scanf("%d",&x);#defineinL(x)llx;scanf("%I64d",&x);#definescL(x)scan