“科大国创杯” 2024年安徽省青少年信息学科普日活动 初中组C++试题

o SvS7p 2024M½ê8]M￾Ð Sô°î ?Fk5 2024M413°14:00∼18:00 5"ë EVT< ?Z? ?T 9? 5" ?? .d? .d? .d? .d? "c a b c d V³›Óqa b c d {ÆÓq a.in b.in c.in d.in {Óq a.out b.out c.out d.out ?k?HK 1.0ð 1.0ð 1.0ð 1.0ð =iK? 512 MiB 512 MiB 512 MiB 512 MiB ?FF? 10 10 10 10 ?C++ a.cpp b.cpp c.cpp d.cpp ?C++ -O2 -std=c++14 ÿiY[Ð4œ
 1.Óq
ñ½„{Æ{Óq
A¶P¨‡Ólb 2.f?main()?R?? ??A?^ int
??????H?R??A?^ 0s 3.Êm³1ëy ë[Êm¥•×|¹¥"c
i®Êm¹Ä¡5†ÿ y ëBñ0"c
0"cЋ¥k5‡ÓM]bÊm4Œ¥Ä¡k5¥÷ ñ½A¶ibM‹¥0"c/b 4.y´Q[ØÄ7C¥pÙ5
#ÔHBp‚Ís ØbÂTCƵ‚] 1p
[Cƹb 5.Ïí+yªü
²T¥1 ZT¹†Ó1 
Vr› bì#ÓíÚ
b 6.ñ½ VP¨¥\=i bWKÅÐ5"¥=iKÅBÁb 7.?4Linux?T?F" ??qs 8.???-K???NOI Linux/??
????Ir?'[?s ?F EVT<(a) EVT<(a) 5"? l V V?T???a+b=c?9?5
F1_???5"S??s {??T ?B?B???? T
?/ ?T?
??B??? a+b=c¥ØTb£” ì T??
?3??-?,
O?3????W?? b?? 7s 8ìT V•n" èb {?T T?
?T?i??T??
5? i?{Right!
?5?i?{Wrong!s " ?1{Æ 5 1+1=2 1+2=2 15+66=81 5+37=40 99+99=99 " ?1{ Right! Wrong! Right! Wrong! Wrong! ” ?Ðÿç ?40%¥” 
a=b= 1
c= 2s ?80%¥” 
1≤a, b, c≤9s ?100%¥” 
1≤T≤10
1≤a, b, c≤99s ?2:  6: ?F ?Z?(b) ?Z?(b) 5"? l V VX9????v?x????? ?Z?/|???
?^???S
F?? ??
$ ????l V Vk????5
F?1?s qF??
???xi
{ xi∑ j=1 ⌊j 1 3⌋−b ?
⌊x⌋VU?v?x?Kv??−b {??T ?B?B???? q−b ?/ ?q?
??B???? xi
????? x????−b {?T q?
??B???
VUs?−bh?is??S?−b " ?1{Æ 2 5 10 " ?1{ 5 13 " ?1?d 1∼10? ?Z?/|???T^
 1,1,1,1,1,1,1,2,2,2−b ” ?Ðÿç ?20%¥” 
1≤q, xi≤1000−b ?40%¥” 
q= 1
1≤x≤1