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聽(tīng)聽(tīng)聽(tīng)聽(tīng)template<int聽(tīng)d,int聽(tīng)pow>
聽(tīng)聽(tīng)聽(tīng)聽(tīng)struct聽(tīng)Power
聽(tīng)聽(tīng)聽(tīng)聽(tīng){
聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)static聽(tīng)const聽(tīng)int聽(tīng)value聽(tīng)=聽(tīng)Power<d,pow-1>::value聽(tīng)*聽(tīng)d;
聽(tīng)聽(tīng)聽(tīng)聽(tīng)};
聽(tīng)聽(tīng)聽(tīng)聽(tīng)template<int聽(tīng)d>
聽(tīng)聽(tīng)聽(tīng)聽(tīng)struct聽(tīng)Power<d,0>
聽(tīng)聽(tīng)聽(tīng)聽(tīng){
聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)static聽(tīng)const聽(tīng)int聽(tīng)value聽(tīng)=聽(tīng)1;
聽(tīng)聽(tīng)聽(tīng)聽(tīng)};
聽(tīng)聽(tīng)聽(tīng)聽(tīng)/**
聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)*聽(tīng)璇ュ嚱鏁板皢涓涓暣鏁拌漿鎹㈡垚鍥哄畾闀垮害鐨?涓嶉綈鐨勪覆錛屽12->"00012"
聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)*/
聽(tīng)聽(tīng)聽(tīng)聽(tīng)template<int聽(tīng)len>
聽(tīng)聽(tīng)聽(tīng)聽(tīng)std::string聽(tīng)int_cast_zerostr(const聽(tīng)int聽(tīng)i)
聽(tīng)聽(tīng)聽(tīng)聽(tīng){
聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)std::string聽(tīng)result聽(tīng)聽(tīng)=聽(tīng)boost::lexical_cast<std::string>(Power<10,len>::value聽(tīng)+聽(tīng)i);
聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)return聽(tīng)result.substr(1);
聽(tīng)聽(tīng)聽(tīng)聽(tīng)}
濡傛灉瑕佸皢12杞崲鎴?00000012"錛屽彲浣跨敤鍑芥暟int_cast_zerostr<8>(12)銆?br />
璋㈣阿灝忔槑鐨勬彁閱掞紝鎯寵搗Boost鏈変釜format搴擄紝鎵浠ュ彲浠ヨ繖鏍?br />
聽(tīng)聽(tīng)聽(tīng)聽(tīng)std::string聽(tīng)s聽(tīng)=聽(tīng)(f%12).str();
聽(tīng)聽(tīng)聽(tīng)聽(tīng)std::cout<<s; //s = "00000012"
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