Find and Replace elements in Matrix in c programming | by Sanjay Gupta

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[sandysandilya]

thank you very much for the explanation brother 👌👌👌

[gamingwithbiswash]

why is there n1 and n2 i didnot get it can any one help me

[tile-maker]

So what if you want the matrix to automatically print array elements to 0: arr[i][j] = 0.
Then use values, n1, n2 to replace them after?

#include <stdio.h>
int main(){
int i, j, n_i, n_j, n_n;
int arr[9][9];

//for each element, print '0'
//pass a value into a single element
printf("Element i: ");
scanf("%d", &n_i);
printf("\nElement j: ");
scanf("%d", &n_j);
printf("\nWhat number to replace element [i][j]?: ");
scanf("%d", &n_n);

for(i = 0; i < 9; i++){
for(j = 0; j < 9; j++){
printf(" %d", arr[i][j] = 0);
if(arr[i][j] == arr[n_i][n_j]){

arr[i][j] = n_n;
}
}
printf("\n");
}

return 0;
}