Submission #162944

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Source Code Expand

#include<stdio.h>

int main(){
 char str[10]={0,0,0,0,0,0,0,0,0,0};
 int i,f,l;
 i=scanf("%s",str);
 for(i=0;i<10;i++)
 {
 	l=i;
 	if(str[i]==0){
 		if(str[i]!='a'&&str[i]>97&&str[i]<123){
 			str[i]-=1;
 			f=1;
 			break;
 		}
 		break;
 	}
 }
 if(f==1) {printf("%s\n",str);}
 else if(str[1]==0){printf("-1\n");}
 else{str[l-1]=0;printf("%s\n",str);}
 return 0;
}

Submission Info

Judge Result