Submission #3198365

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Source Code Expand

#include <cstdio>
#include <iostream>
#include <vector>
#include <string>
#include <algorithm>

using namespace std;

string S;

int main(){

	int N;

	scanf("%d",&N);

	cin>>S;

	string str="b";

	int i;

	int K=-1;

	for(i=1;;i++){
		if(str.length()>S.length()){break;}
		else if(str==S){
			K=i-1;
			break;
		}
		if(i%3==1){str="a"+str+"c";}
		else if(i%3==2){str="c"+str+"a";}
		else{str="b"+str+"b";}
	}

	printf("%d\n",K);

	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:15:16: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&N);
                ^

Judge Result