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- #include <stdio.h>
- #include <ctype.h>
- #include <malloc.h>
- #define lim 102
- int main()
- {
- int i,p;
- scanf("%d\n",&p);
- if (p>lim) return 0;
- if (p<0) return 0;
- if (isalpha(p)) return 0;
- char c;
- char* A =(char*)malloc(p*sizeof(char));
- i = 0;
- while (i < p) {
- c = getchar();
- if (c == EOF)
- break;
- if (c == '\n')
- break;
- if(isdigit(c)){
- c = c -'0';
- c = 9 - c;
- c = c + '0';
- }
- A[i++] = c;
- }
- A[i] = '\0';
- printf("%s", A);
- return 0;
- }
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