原创 Codeforces Round #514 (Div. 2).B. Forgery

B. Forgery time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard outpu

原创 Codeforces Round #514 (Div. 2).A. Cashier

A. Cashier time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard outpu

原创 Codeforces Round #513 by Barcelona Bootcamp (rated, Div. 1 + Div. 2).A. Phone Numbers

A. Phone Numbers time limit per test 2 seconds memory limit per test 512 megabytes input standard input output standard

原创 Codeforces Round #513 by Barcelona Bootcamp (rated, Div. 1 + Div. 2).B. Maximum Sum of Digits

B. Maximum Sum of Digits time limit per test 2 seconds memory limit per test 512 megabytes input standard input output

原创 HDU-5538 House Building(思維)

問題 L: House Building 時間限制: 1 Sec  內存限制: 128 MB 提交: 66  解決: 49 [提交] [狀態] [討論版] [命題人:admin] 題目描述 Have you ever played the

原创 HDU.5533 Dancing Stars on Me(思維+數學)

問題 G: Dancing Stars on Me 時間限制: 1 Sec  內存限制: 128 MB 提交: 95  解決: 49 [提交] [狀態] [討論版] [命題人:admin] 題目描述 The sky was brushed

原创 HDOJ 5461 Largest Point(瀋陽網絡賽)(思維)

時間限制: 1 Sec  內存限制: 128 MB 提交: 104  解決: 35 [提交] [狀態] [討論版] [命題人:admin] 題目描述 Given the sequence A with n integers t1 , t2

原创 Hdu.5512 Pagodas(思維)

時間限制: 1 Sec  內存限制: 128 MB 提交: 55  解決: 36 [提交] [狀態] [討論版] [命題人:admin] 題目描述 n pagodas were standing erect in Hong Jue Si

原创 Codeforces Round #512 (Div. 2, based on Technocup 2019 Elimination Round 1).B. Vasya and Cornfield

B. Vasya and Cornfield time limit per test 1 second memory limit per test 256 megabytes input standard input output sta

原创 Educational Codeforces Round 51 (Rated for Div. 2).A. Vasya And Password(模擬)

A. Vasya And Password time limit per test 1 second memory limit per test 256 megabytes input standard input output stan

原创 Codeforces Round #511 (Div. 2).A. Little C Loves 3 I(水題)

A. Little C Loves 3 I time limit per test 1 second memory limit per test 256 megabytes input standard input output stan

原创 Educational Codeforces Round 51 (Rated for Div. 2).B. Relatively Prime Pairs(水題)

B. Relatively Prime Pairs time limit per test 2 seconds memory limit per test 256 megabytes input standard input output

原创 Technocup 2019 - Elimination Round 1.A. In Search of an Easy Problem

A. In Search of an Easy Problem time limit per test 1 second memory limit per test 256 megabytes input standard input o

原创 Codeforces Round #511 (Div. 2).B. Cover Points

B. Cover Points time limit per test 1 second memory limit per test 256 megabytes input standard input output standard o

原创 Educational Codeforces Round 50 (Rated for Div. 2).B. Diagonal Walking v.2(思維)

B. Diagonal Walking v.2 time limit per test 1 second memory limit per test 256 megabytes input standard input output st