閫掓帹涓庨�掑綊绠楁硶缁冧範棰?/p>
1.
瀹炴暟鏁板垪
(realsn)
婧愮▼搴忓悕
realsn.??? (pas,c,cpp)
杈撳叆鏂囦欢鍚?/p>
realsn.in
杈撳嚭鏂囦欢鍚?/p>
realsn.out
鏃堕棿闄愬埗
1
绉?/p>
銆愰棶棰樻弿杩般�?/p>
涓�涓疄鏁版暟鍒楀叡鏈?/p>
n
椤癸紝宸茬煡
a[i]=(a[i-1]-a[i+1])/2+d
锛?/p>
(1<i<n) (n<
锛?/p>
60)
銆愯緭鍏ユ枃浠躲�?/p>
杈撳叆绗竴琛屼负
n
锛?/p>
m
锛?/p>
d
銆傜浜岃涓猴紝
a[1],a[n]
涓や釜鏁存暟銆?/p>
銆愯緭鍑烘枃浠躲�?/p>
杈撳嚭
a[m]
锛岀粨鏋滀繚鐣?/p>
6
浣嶅皬鏁般�?/p>
銆愭牱渚嬭緭鍏ャ�?/p>
3 2 2
1
锛?/p>
3
銆愭牱渚嬭緭鍑恒�?/p>
4.000000
2.
閲戝澐鍨?/p>
(buc)
婧愮▼搴忓悕
buc.??? (pas,c,cpp)
杈撳叆鏂囦欢鍚?/p>
buc.in
杈撳嚭鏂囦欢鍚?/p>
buc.out
鏃堕棿闄愬埗
1
绉?/p>
閲戝澐鍨冿紝閲戝澐鍨冿紝灏忛害浜╀骇涓�鍗冨叓銆傞噾鍧峰瀮锛岄噾鍧峰瀮锛屼竴琚嬭兘褰撲袱琚嬫拻銆傛煇鐗涚湅
鍑嗕簡閲戝澐鍨冪殑鍏夋槑鍓嶉�旓紝宸茬粡鍌ㄥ瓨浜嗘暣鏁翠竴婊′粨鐨勯噾鍧峰瀮锛岃繖涓粨搴撹兘鏀句笅
N
鐨勯噾鍧峰瀮銆?/p>
鏃ユ湰璧勬簮澶己涔忥紝
闈炴床鍐滀笟涓嶅彂杈撅紝
鏃ユ湰鍜岄潪娲茬悍绾疯姹傝喘鍏ャ�?/p>
涓轰簡閬垮厤琚伔琚?/p>
鎶紝浣滀负濂稿晢鐨勬煇鐗涳紝鍙堝彟澶栫浜嗕袱涓閲忓垎鍒负
Q
鍜?/p>
P
鐨勪粨搴撱�備粬姣忔鍙互
鎶婁竴涓粨搴撲腑鐨勯噾鍧峰瀮涓嶅仠鍦拌繍鍒板彟涓�涓粨搴擄紝
鐩村埌鐩爣浠撳簱婊′簡锛?/p>
鎴栬�呭綋鍓嶄粨
搴撶┖浜嗐�備粬濡傛杩欑暘鎶樿吘浜嗗緢澶氭銆傝嚦浜庡灏戞锛屾煇鐗涜嚜宸变篃蹇樹簡銆傜粓浜庯紝鏌愮墰
鍙煡閬擄紝瀹归噺涓?/p>
Q
鐨勪粨搴撶粓浜庢槸绌轰簡銆傞偅涔堢幇鍦?/p>
,
鏈�鍒濆閲忎负
N
鐨勯偅涓粨搴擄紝鍙?/p>
鑳戒細鏈夊灏戦噾鍧峰瀮鍜э紵
(
鏄剧劧鏌愪簺閲戝澐鍨冨凡缁忕洿鎺ユ垨鑰呴棿鎺ュ湴杩愬埌浜嗗閲忎负
P
鐨?/p>
浠撳簱
)
Input Format
杈撳叆涓変釜鏁?/p>
Q
锛?/p>
P
锛?/p>
N
銆傚垎鍒〃绀烘柊绉熺殑涓や釜浠撳簱鐨勫閲忓拰鍘熸潵鐨勪粨搴撳閲忋�?/p>
Output Format
杈撳嚭涓�琛岋紝浠庡皬鍒板ぇ杈撳嚭鏈�鍒濈殑浠撳簱鍙兘鐨勯噾鍧峰瀮鏁伴噺銆?/p>
锛堟湰棰樼殑閲戝澐鍨冨崟浣嶏紝
鍏ㄩ儴涓?/p>
Kg
锛?/p>
Sample Input
8 9 10 Sample Output
1 2 8 9 10
Data Limit
30%:Q,P,N<=10