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22 lines
469 B
22 lines
469 B
package class_2022_01_4_week;
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// 来自米哈游
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// 测试链接 : https://leetcode.com/problems/battleships-in-a-board/
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public class Code04_BattleshipsInABoard {
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public static int countBattleships(char[][] m) {
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int ans = 0;
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for (int i = 0; i < m.length; i++) {
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for (int j = 0; j < m[0].length; j++) {
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if ((m[i][j] == 'X')
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&& (i == 0 || m[i - 1][j] != 'X')
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&& (j == 0 || m[i][j - 1] != 'X')) {
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ans++;
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}
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}
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}
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return ans;
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}
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}
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