BZOJ 3748: [POI2015]Kwadraty
Orz Claris http://www.cnblogs.com/clrs97/p/4608345.html
#include
#define N 507
typedef long long ll;
ll n,l=12,r=1442250,mid,t,ans;
int i,j,v[N],sum[N],f[N]={0,1,0,0,2,2,0,0,0,3,3,0,0
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2016-04-29 14:47:32 ·
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