Created
April 3, 2023 19:01
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| function countRectangles(board) { | |
| let count = 0; | |
| let N = board.length; | |
| let M = board[0].length; | |
| for (let r = 0; r < N; r++) { | |
| for (let c = 0; c < M; c++) { | |
| for (let i = r; i < N; i++) { | |
| for (let j = c; j < M; j++) { | |
| let aCount = 0; | |
| let bCount = 0; | |
| for (let x = r; x <= I; x++) { | |
| for (let y = c; y <= j; y++) { | |
| if (board[x][y] === 'A') { | |
| aCount++; | |
| } else if (board[x][y] === 'B') { | |
| bCount++; | |
| } | |
| } | |
| } | |
| if (aCount === bCount) { | |
| count++; | |
| } | |
| } | |
| } | |
| } | |
| } | |
| return count; | |
| } |
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