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#include <stdio.h>
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#include <stdlib.h>
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#include <stdbool.h>
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#include <time.h>
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void generateMatrix(int matrix[9][9]) {
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srand(time(0)); // ʹ<>õ<EFBFBD>ǰʱ<C7B0><CAB1><EFBFBD><EFBFBD>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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// <20><>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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int i,j;
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for (i = 0; i < 9; i++) {
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for (j = 0; j < 9; j++) {
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matrix[i][j] = 0;
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}
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}
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// <20><><EFBFBD><EFBFBD>ÿ<EFBFBD>е<EFBFBD><D0B5><EFBFBD><EFBFBD><EFBFBD>
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int row;
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for (row = 0; row < 9; row++) {
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// <20><><EFBFBD><EFBFBD>1-9<><39><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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int nums[9] = {1, 2, 3, 4, 5, 6, 7, 8, 9};
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for (i = 0; i < 9; i++) {
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int j = rand() % (i + 1);
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int temp = nums[i];
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nums[i] = nums[j];
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nums[j] = temp;
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}
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// <20><>ǰ<EFBFBD><C7B0><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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for ( i = 0; i < 3; i++) {
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matrix[row][i] = nums[i];
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}
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}
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// <20><><EFBFBD><EFBFBD>ÿ<EFBFBD>е<EFBFBD>˳<EFBFBD><CBB3>
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for (row = 0; row < 9; row++) {
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for ( i = 0; i < 9; i++) {
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int j = rand() % 9;
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int temp = matrix[row][i];
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matrix[row][i] = matrix[row][j];
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matrix[row][j] = temp;
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}
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}
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}
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void printMatrix(int matrix[9][9]) {int i,j;
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for (i = 0; i < 9; i++) {
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for (j = 0; j < 9; j++) {
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printf("%d ", matrix[i][j]);
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}
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printf("\n");
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}
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}
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int main() {
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int matrix[9][9];
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generateMatrix(matrix);
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printMatrix(matrix);
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return 0;
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}
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