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- #include <stdio.h>
- int main()
- {
- int mas[100][100], N;
- scanf("%d", &N);
- for(int i = 0; i < N; i++)
- {
- for(int j = 0; j < N; j++)
- {
- mas[i][j] = 0;
- }
- }
- for(int i = 0; i < N; i++)
- {
- for(int j = 0; j < N; j++)
- {
- if( ( i % 2 == 0 && j % 2 == 0) || (i % 2 == 1 && j % 2 == 1))
- {
- mas[i][j] = 1;
- }
- }
- }
- for(int i = 0; i < N; i++)
- {
- for(int j = 0; j < N; j++)
- {
- if(mas[i][j] == 0)
- {
- printf(" ");
- }
- if(mas[i][j] == 1)
- {
- printf("x");
- }
- }
- printf("\n");
- }
- return 0;
- }
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