Use VC++2010 to open the solution in the examinee folder. There is a source file named modi1.c in the project of this solution. In this program, the function fun() stores data with specific rules in an m‑row and m‑column two‑dimensional array according to the formal parameter m (2 ≤ m ≤9). The main() function prints the final result.

Sample output 1: If input is 2 Output: 1 2 2 4

Sample output 2: If input is 4 Output: 1 2 3 4 2 4 6 8 3 6 9 12 4 8 12 16

Please correct the errors in the program to get the correct running result. Note: Part of the source code is stored in modi1.c. Do not modify the main() function. Do not add or delete code lines. Do not change the overall program structure.

Key Test Points Summary

1. Two‑dimensional array function parameter passing. In C language, a two‑dimensional array cannot be passed asint **a. The second dimension size must be specified when passing a two‑dimensional array as a function formal parameter.
2. Two‑dimensional array element assignment rule. Observe the sample matrix: the value of element at row j, column k equals(j+1)*(k+1), notj*k. Array subscripts start from zero, while matrix values start from 1.
3. Nested loop for two‑dimensional array traversal. Double for‑loops are used to visit every element in m‑row and m‑column matrix.
4. Two‑dimensional array input and output. Use nested loops in main function to print matrix elements on screen.
5. Macro definition for array size. Use#defineto set maximum array dimension.

Error analysis (plain text)

Error 1: Function parameterint **ais wrong. When receiving a two‑dimensional array, formal parameter should beint a[M][M]orint a[][M]. Double pointer can not match two‑dimensional array argument.

Error 2: Assignment statementa[j][k]=k*j;is wrong. Since array subscripts start from zero, real matrix value is(j+1)*(k+1).

Sample correct core code

void fun(int a[M][M],int m) { int j,k; for(j=0;j<m;j++) for(k=0;k<m;k++) a[j][k]=(j+1)*(k+1); }

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