This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include<stdio.h>
char str[111111];
int n;
int main(){
	int i;
	scanf("%d\n", &n);
	gets(str);
	for(i=0;; i+=2){
		if(str[i] == 0 || str[i+1] == 0)break;
		if(str[i] == ' '){
			printf(" ");
			i--;
		}
		else if(str[i+1] == ' ')printf(" ");
		else printf("%c", (str[i]+str[i+1]-2*'a'-n+26)%26 + 'a');
	}
	return 0;
}
| # | Verdict | Execution time | Memory | Grader output | 
|---|
| Fetching results... | 
| # | Verdict | Execution time | Memory | Grader output | 
|---|
| Fetching results... |