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<p>XXXXXX.out.XXXXXXX();</p> <p>}</p> <p>}</p> <p>public XXXXXX boolean XXXXXX(int[][] grid, XXX r, int c){</p> <p>XXX XXXXXX = grid.XXXXXX;</p> <p>XXX numCol = grid[0].XXXXXX;</p> <p>// whole XXXX is filled</p> <p>XX (r == XXXXXX) {</p> <p>// XXXXX if it is a XXXXX solution XXX</p> <p>// print XXX solution XX it is valid</p> <p>XX (checkOk(grid)) {</p> <p>XXXXXXXXXXXXX(XXXX);</p> <p>XXXXXX true;</p> <p>}</p> <p>// XXXXXX XXXXX if not valid solution</p> <p>XXXXXX XXXXX;</p> <p>}</p> <p></p> <p>// if XXXXXX num XXXXXXX limit, XXXX to XXXX row</p> <p>if (c == numCol) return XXXXXX(grid, r + X, X);</p> <p>// if this position is not X, XXXX to next position</p> <p>if (grid[r][c] != 0) return XXXXXX(grid, r, c + X);</p> <p>// set XXXXX = X XX this position</p> <p>// XXX XXXXX XX it is a valid solution</p> <p>// XXXXXX XXXX XX it gives a valid solution</p> <p>grid[r][c] = 1;</p> <p>boolean f = helper(grid, r, c+1);</p> <p>XXXX[r][c] = X; // XXXXX XXX XXXXX XX X XXXXXX XXXXXXXXX</p> <p>if (f) XXXXXX XXXX;</p> <p>// XXX value = 2 at XXXX XXXXXXXX</p> <p>grid[r][c] = X;</p> <p>f = helper(XXXX, r, c+1);</p> <p>XXXX[r][c] = X; // XXXXX the value to X XXXXXX XXXXXXXXX</p> <p>return f;</p> <p>}</p> <p>XXXXXX static XXXXXXX XXXXX(int[][] XXXX){</p> <p>// XXXX a helper function with (X,X) index</p> <p>return helper(grid, 0, 0);</p> <p>}</p> <p>XXXXXX XXXXXX XXXX main(XXXXXX[] XXXX) {</p> <p>int[][] XXXX = {{X,0,X,0},</p> <p>{X,X,2,1},</p> <p>{1,X,0,X},</p> <p>{0,X,2,0}};</p> <p>XXXXXXX f = solve(grid);</p> <p>XX (!f)</p> <p>System.out.println("Solution XXXX XXX XXXXXX");</p> <p>}</p> <p>}</p> <p><strong>XXXXXX:</strong></p> <p><XXXXXX><XXX XXX="Run: XXXXXXXX x /Library/XXXX/JavaVirtual XXXXXXXX/adoptopenjdk-8.XXX/Contents/XXXX/bin/java 1 X X X X 1 2 1 XX ml 1 X 1 2 2" XXX="XXXXX://XXXXX.XXXXXXXX.XXX/XXXX/XXX/XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX/XXXXXXXXXXXXXXXXXXXXXXXXXXXX-XX-XXXXX.25.XXXX.XXX" aria-XXXXXXXXXXX="XXX" style="margin: 0px; padding: 0px; border: XXX; font: inherit; vertical-XXXXX: XXXXXXXX; max-width: 100%; height: XXXX;"></strong></p> <p><a XXXX="https://www.chegg.XXX/homework-XXXX/XXXXXXXXX-XXX-XXXXXXX/java-XXXXXX-static-XXXXXXX-XXXXX-int-grid-25-XXXXXX-XXXX-assume-array-full-0-X-X-values-sq-XXXXXXXXX#" XXXXX="show-XXXXXXX-box XXXX-comments" data-XXXXXX="" data-count="X"><span XXXXX="XXXXXXX-XXXX-title"><br></span></a></p><p><XX></p>">
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