Submission #1984915


Source Code Expand

#include<stdio.h>
#include<string.h>
#include<algorithm>
using namespace std;
#define Mod 1000000007
char a[110],b[110];
int main()
{
    int n,i,j,k,flag;
    long long s;
    scanf("%d",&n);
    scanf("%s%s",a,b);
    if(n==1)
    {
        printf("3\n");
        return 0;
    }
    if(n==2)
    {
        printf("6\n");
        return 0;
    }
    if(a[0]==b[0])
    {
        s=3;
        flag=2;
        for(i=1;i<n;i++)
        {
            if(a[i]==b[i])
            {
                if(flag==2)
                    s=s*2%Mod;
                flag=2;
            }
            else
            {
                if(flag==1)
                s=s*3%Mod;
                else
                s=s*2%Mod;
                flag=1;
                i++;
            }
        }
    }
    else
    {
        s=6;
        flag=1;
        for(i=2;i<n;i++)
        {
            if(a[i]==b[i])
            {
                if(flag==2)
                    s=s*2%Mod;
                flag=2;
            }
            else
            {
                if(flag==1)
                    s=s*3%Mod;
                else
                s=s*2%Mod;
                flag=1;
                i++;
            }
        }
    }
    printf("%lld\n",s);
    return 0;
}

Submission Info

Submission Time
Task D - Coloring Dominoes
User vjudge5
Language C++14 (GCC 5.4.1)
Score 400
Code Size 1253 Byte
Status AC
Exec Time 2 ms
Memory 128 KB

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:11:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&n);
                   ^
./Main.cpp:12:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%s%s",a,b);
                      ^

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 400 / 400
Status
AC × 3
AC × 28
Set Name Test Cases
Sample sample1.txt, sample2.txt, sample3.txt
All sample1.txt, sample2.txt, sample3.txt, 1.txt, 10.txt, 11.txt, 12.txt, 13.txt, 14.txt, 15.txt, 16.txt, 17.txt, 18.txt, 19.txt, 2.txt, 20.txt, 21.txt, 22.txt, 3.txt, 4.txt, 5.txt, 6.txt, 7.txt, 8.txt, 9.txt, sample1.txt, sample2.txt, sample3.txt
Case Name Status Exec Time Memory
1.txt AC 0 ms 128 KB
10.txt AC 0 ms 128 KB
11.txt AC 0 ms 128 KB
12.txt AC 0 ms 128 KB
13.txt AC 0 ms 128 KB
14.txt AC 0 ms 128 KB
15.txt AC 0 ms 128 KB
16.txt AC 0 ms 128 KB
17.txt AC 0 ms 128 KB
18.txt AC 0 ms 128 KB
19.txt AC 0 ms 128 KB
2.txt AC 0 ms 128 KB
20.txt AC 0 ms 128 KB
21.txt AC 0 ms 128 KB
22.txt AC 0 ms 128 KB
3.txt AC 0 ms 128 KB
4.txt AC 0 ms 128 KB
5.txt AC 2 ms 128 KB
6.txt AC 1 ms 128 KB
7.txt AC 0 ms 128 KB
8.txt AC 0 ms 128 KB
9.txt AC 0 ms 128 KB
sample1.txt AC 0 ms 128 KB
sample2.txt AC 0 ms 128 KB
sample3.txt AC 1 ms 128 KB