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========================================== 论文：《DoweNeedHundredsofClassifierstoSolveRealWorldClassificationProblems?》 论文地址：https://jmlr.org/papers/volume15/delgado14a/delgado14a.pdf =========
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此题目来源于LZOI题目传送门#include<iostream>usingnamespacestd;intmain(){intn;cin>>n;inthundreds=n/100;inttens=(n/10)%10;intones=n%10;inttransformed=ones*100+tens*10+hundreds;
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此题目来源于LZOI题目传送门#include<iostream>usingnamespacestd;intmain(){intn;cin>>n;intones=n%10;inttens=(n/10)%10;inthundreds=n/100;intsum=ones+tens+hundreds;cout<<sum&