_3127.java

packagecom.fishercoder.solutions.fourththousand;

publicclass_3127 {
publicstaticclassSolution1 {
publicbooleancanMakeSquare(char[][] grid) {
for (inti = 0; i < 2; i++) {
for (intj = 0; j < 2; j++) {
if (isPossible(grid, i, j, 'B') || isPossible(grid, i, j, 'W')) {
returntrue;
 }
 }
 }
returnfalse;
 }

privatebooleanisPossible(char[][] grid, intstartI, intstartJ, charcolor) {
intcount = 0;
for (inti = startI; i < startI + 2; i++) {
for (intj = startJ; j < startJ + 2; j++) {
if (grid[i][j] == color) {
count++;
 }
 }
 }
returncount >= 3;
 }
 }
}