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Fix some codes.
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698c2e7fe5
commit
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2 changed files with 8 additions and 7 deletions
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@ -47,6 +47,7 @@ bool empty(arrayDeque *deque) {
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return deque->queSize == 0;
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}
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/* 计算环形数组索引 */
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int dequeIndex(arrayDeque *deque, int i) {
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// 通过取余操作实现数组首尾相连
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// 当 i 越过数组尾部时,回到头部
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@ -16,7 +16,7 @@ function backtrack(
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): void {
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// 当放置完所有行时,记录解
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if (row === n) {
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res.push(state.map(row => row.slice()));
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res.push(state.map((row) => row.slice()));
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return;
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}
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// 遍历所有列
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@ -27,12 +27,12 @@ function backtrack(
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// 剪枝:不允许该格子所在 (列 或 主对角线 或 副对角线) 包含皇后
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if (!(cols[col] || diags1[diag1] || diags2[diag2])) {
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// 尝试:将皇后放置在该格子
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state[row][col] = "Q";
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state[row][col] = 'Q';
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cols[col] = diags1[diag1] = diags2[diag2] = true;
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// 放置下一行
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backtrack(row + 1, n, state, res, cols, diags1, diags2);
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// 回退:将该格子恢复为空位
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state[row][col] = "#";
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state[row][col] = '#';
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cols[col] = diags1[diag1] = diags2[diag2] = false;
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}
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}
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@ -41,7 +41,7 @@ function backtrack(
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/* 求解 N 皇后 */
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function nQueens(n: number): string[][][] {
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// 初始化 n*n 大小的棋盘,其中 'Q' 代表皇后,'#' 代表空位
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const state = Array.from({ length: n }, () => Array(n).fill("#"));
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const state = Array.from({ length: n }, () => Array(n).fill('#'));
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const cols = Array(n).fill(false); // 记录列是否有皇后
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const diags1 = Array(2 * n - 1).fill(false); // 记录主对角线是否有皇后
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const diags2 = Array(2 * n - 1).fill(false); // 记录副对角线是否有皇后
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@ -57,7 +57,7 @@ const res = nQueens(n);
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console.log(`输入棋盘长宽为 ${n}`);
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console.log(`皇后放置方案共有 ${res.length} 种`);
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res.forEach(state => {
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console.log("--------------------");
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state.forEach(row => console.log(row));
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res.forEach((state) => {
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console.log('--------------------');
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state.forEach((row) => console.log(row));
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});
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