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- #include<stdio.h>
- int main()
- {
- int m,i,j;
- scanf("%d",&m);
- for(i=0; i<m; i++)
- {
- for(j=0; j<m; j++)
- {
- if(j==0 || j==m-1)
- printf("+");
- else if((i==0 || i==m-1)&&(j!=m-1))
- printf("+");
- else printf("-");
- }
- printf("\n");
- }
- return 0;
- }
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