Submission #162586

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Source Code Expand

#include <iostream>
#include <string>

using namespace std;

int main(void)
{
	 string s;
	 int len;
	 
	 int i;
	 
	 cin >> s;
	 
	 len = s.length();
	 
	 if(len == 1){
	 	if(s[0] == 'a'){
	 		cout << "-1" << endl;
	 	}
	 	
	 	else{
	 		printf("%c\n",s[0]-1);
	 	}
	 }
	 
	 else{
	 	for(i=0;i<len-1;i++){
	 		cout << s[i];
	 	}
	 	
	 	cout << endl;
	 }
	 
	 return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:23:25: error: ‘printf’ was not declared in this scope