Submission #1964488

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Source Code Expand

/*بِسْمِ اللَّهِ الرَّحْمَنِ الرَّحِيم*/

#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
const int MOD=1e9+7;
int xy[2][2]={2,2,1,3};
char str1[55],str2[55];
int main ()
{
    int i,n;
    ll ans;
    bool type;
    scanf ("%d",&n);
    scanf ("%s%s",str1,str2);
    if (str1[0]==str2[0]) {
        type=0;
        ans=3;
        i=1;
    }
    else {
        type=1;
        ans=6;
        i=2;
    }
    while (i<n) {
        if (str1[i]==str2[i]) {
            ans=(ans*xy[type][0])%MOD;
            i+=1;
            type=0;
        }
        else {
            ans=(ans*xy[type][1])%MOD;
            i+=2;
            type=1;
        }
    }
    printf ("%lld\n",ans);

    return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:15:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf ("%d",&n);
                    ^
./Main.cpp:16:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf ("%s%s",str1,str2);
                             ^

Judge Result