Codeforces Round 157 (Div. 2)

Solutions for Codeforces Round 157 (Div. 2) (contest 259). 1/1 problems verified against sample I/O. Difficulty range: 1000-1000.

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Codeforces Round 157 (Div. 2)

Type: Div. 2 | Problems: 1 | Verified: 1/1 | Rating range: 1000-1000 | Time: 1m 8s

Problem Name Rating Tags Solve Time Verified
A Little Elephant and Chess 1000 brute-force, strings 1m 8s ✓
Practice › Codeforces Solutions › Codeforces Round 157 (Div. 2) ›

CF 259A - Little Elephant and Chess

We are given an 8×8 grid representing a chessboard, but the colors of the squares may not be correct. Each square is either black, represented by "B", or white, represented by "W".
codeforces competitive-programming brute-force strings May 29, 2026