leetCode(52):Add Binary Given two binary strings, return their sum (also a bin
hdu 1394 Minimum Inversion Number(線段樹) Minimum Inversion Number Time Limit: 20
Lift Hopping (Uva 10801 最短路) 題意:n個電梯,100層樓,告訴每個電梯的速度和每個電梯會停的樓層數,起點在0層,終點是第k層,另
UVa 11992 Fast Matrix Operations(線段樹雙懶操作,二維轉一維) 題意:給個r*c的矩形,三種操作,將一個子矩形權值+v,將一
杭電 HDU 2717 Catch That Cow Catch That Cow Time Limit: 5000/2000 MS (Java/Other
HDOJ 題目4276 The Ghost Blows Light(SPFA+樹形DP) The Ghost Blows Light Time Limit: