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ll mult_mod(ll a,ll b,ll c) { a%=c; b%=c; ll ret=0,tmp=a; while (b) { if (b&1) { ret+=tmp; if (ret>c) { ret-=c; } } tmp<<=1; if (tmp>c) tmp-=c; b>>=1; } return ret; } ll pow_mod(ll a,ll n,ll mod) { ll 阅读全文
posted @ 2019-08-10 20:59
Snow_in_winer
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All-one Matrices Beauty Values CDMA Explorer Gemstones Just Jump Distance 阅读全文
posted @ 2019-08-10 18:11
Snow_in_winer
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