Sher-Locked's blog

By Sher-Locked, history, 6 years ago, In English

include<stdio.h>

include<string.h>

int main() { int i,k=0; char str[100]; scanf("%s",str); for(i=1; i<strlen(str); i++) { if(str[i]>=65&&str[i]<=90) { k++; } } if(k==strlen(str)-1) { for(i=0; i<strlen(str); i++) { if(str[i]>=65&&str[i]<=90) str[i]=97+str[i]-65; else if(str[i]>=97&&str[i]<=122) str[i]=65+str[i]-97; } }

printf("%s\n",str);
return 0;

}

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