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- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
- #include <ctype.h>
- int main(int argc, const char * argv[]) {
- int n;
- scanf("%d", &n);
- int mat[n][n];
- int mat2[n][n];
- for(int i = 0; i < n; i++) {
- for(int j = 0; j < n; j++) {
- scanf("%d", &mat[i][j]);
- mat2[i][j] = mat[i][j];
- }
- }
- for(int i = 0; i < n; i++) {
- for(int j = 0; j < n; j++) {
- if(i < j && j < n - i - 1) {
- mat[i][j] = 0;
- }
- }
- }
- for(int i = 0; i < n; i++) {
- for(int j = 0; j < n; j++) {
- printf("%d ", mat[i][j]);
- }
- printf("\n");
- }
- return 0;
- }
- /*
- 5
- 1 17 2 5 13
- 2 5 -2 -1 2
- 15 12 1 2 3
- 2 -2 -33 23 8
- 9 1 2 3 4
- **/
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